residential staircase dimensions

residential staircase dimensions

Industry types like to speak in their own language, therefore the length of each step is … These can be bought from around £500. Visit Claire's corner for insightful research into topics she's passionate about. 1. If you are adding a new staircase, why not consider incorporating a couple of design features that could not only enhance the look of the staircase, but also provide a practical purpose. In general, the best place for the base of a staircase is viewed as being somewhere  near to the front door and that, if possible, you should not have to cross another room to reach the stairs from the front door.Â. String capping; 5. A lightpipe — a useful way to bring light to staircases in terraced homes or where space is tight. Pros: It’s strong, being made up of two or three layers laminated together. This is the measurement from the finished floor below to the finished floor level above. Definitely one up from the understairs cupboard, this bespoke staircase by Bisca incorporates a run of cupboards made from solid wood, combined with a toughened low-iron glass balustrade and stainless steel rails. Riser, (Image credit: Homebuilding & Renovating), Put the space under your staircase to good use — who doesn't need more home office space these days. Next,  calculate the number of treads. For a speedy and inexpensive transformation, consider stair stickers or paint.  If you plan on painting your stairs, make sure you use a product designed for that purpose. To overcome this you can simply add an extra handrail, newel and spindles to divide the staircase. BS585 Part 1 1989: Woodstairs covers specifications for stairs with closed risers for domestic use, including straight and winder flights and quarter or half landings. Cons: Acrylic can be prone to surface scratches and as a flammable material cannot be used for staircases that will be fire escape routes. The total rise is the vertical distance from the floor to the floor of the level above. Building Regs specify a minimum distance of 150mm to a maximum of 220mm. Knowing what kind of headroom or winder you can use is very, very important. The length of each step is referred to as the “Going”. The good news is that the building regulations state that you can replace an existing staircase with an identical one even if it doesn’t meet the current regulations. The minimum headroom is 2 metres, however, there are different rules for stairs that lead to a loft conversion. Comfortable two person stair widths range between 49” (125 cm) to 60” (152 cm). Homebuilding is part of Future plc, an international media group and leading digital publisher. Once you have a design it is entirely possible to buy a staircase from a DIY warehouse or timber merchant – assuming the sizes you require are fairly standard – and then customise it yourself with the addition of a decorative handrail, stair paint or even a distinctive runner. 1. This design, from, Use LEDs to highlight the staircase design to full effect. Costs: The cheapest option is engineered pine or plywood — ideal for a fully carpeted staircase and painted balustrading. The space between any door opening and the staircase should be at least 400mm. They look particularly stylish in this, (Image credit: Oakwrights Copyright Richard Keily), Clever Lighting Design Ideas for Your Home. If the staircase is external and has tapered steps We search our database. We'll match your requirements with the products and services that our partners offer. Spiral staircases have to be at least 26″ wide with each tread being at least 7.5″ deep when you’re 12″ in from the narrow end. See Our Full Price List The Gardener’s Corner Get a Quote Calculators Budget Planning Spreadsheets Tradesman’s Day Rates & Wages Help Guides See All Of Our Polls Free Photos Visit Our Blog Login, Privacy. Though dark and heavy wood can, in some cases, be overbearing when used for such a central feature. Wooden staircases for traditional homes tend to be characterised by their substantial nature, rounded stair nosing, turned balusters and carved newel posts. If you want to pass spiral staircase building regulations, for example, you will have more homework to do. Next up is parana pine, readily available and fairly cost-effective. Do You Consent to Our Data and Cookie Policy? To comply with the Regulations, the minimum going should be 220mm, whilst the pitch of the staircase should not exceed 42°. Get the latest news, expert advice and product inspiration straight to your inbox. Attend the Virtual Homebuilding & Renovating Winter Show for Free! Often it is these elements which give the staircase its character — they can transform an off-the-shelf flight into something special. Min.Tread width(no side walls) =60cm One side wall = 70cm Two side walls = 80cm Tread dimensions. To stay within Building Regulations, a domestic staircase needs a rise of between 190mm and 220mm. There are different rules for commercial buildings. Cut string; 8. Minimum Size of Side: The minimum width of the stair is 1 m. The height of Stair: The minimum clear headroom shall be 2.2 m. Other Requirement: The minimum width of tread without nosing shall be 250 mm for residential buildings. Next, work out the ‘going’. Nosing; 6. They can be expensive, starting at around £10,000. The maximum width of a public staircase is 1800mm. Replacing existing staircases with a like-for-like. The information below relates to domestic staircase installations only. A secondary spiral stair assessing a loft, basement, or mezzanine will require a 600mm clear tread width. The minimum width of treads, staircase, its arrangement, headroom, needs to follow the standards as prescribed by the NBC. Stone staircases, or those made from concrete, can be traditional – think grand sweeping stone flights – or contemporary in the form of industrial-style simplicity. A turn consisting of three winders is known as a ‘kite winder’. This is the measurement from the face of one riser to the next. BA1 1UA. If a staircase exceeds 44 inches (111.8 cm), handrails are required for both sides. spindles and handrail instead of a handrail fixed to the wall. Height or Rise of Staircase. Stairs. For secondary staircases a minimum width of 600mm is recommended. Width refers to both the individual step as well as the entire staircase. Uplighters and wall-washers will also really bring the flight to life.Â, (MORE: Clever Lighting Design Ideas for Your Home), Wood is a versatile material that is a brilliant choice when it comes to staircase design.Â. From our own experience, we know that a staircase leading from a first floor into a loft conversion costs around £1100 inc VAT. Stairwell width and stair landing platform requirements are summarized by these sketches courtesy Carson Dunlop Associates. H&R often gets asked how some homeowners seemingly get away without having balustrades. Handrails can’t project more than 4.5″ into each side. Minimum Staircase Width & Length. Yet this is a common problem with many staircases as they tend to be located in the centre of the house away from main windows. Steps that turn corners whilst climbing are called ‘winders’ and are often used to navigate 90° turns. There was a problem. Thank you for signing up to Homebuilding. Perfect for contemporary interiors. However, there are specialist staircase companies out there who will also design and make a staircase. The centre of the staircase should be no less than 1.9 metres from the ceiling. Staircases with alternating steps and those found in commercial buildings are not covered by this guide. Hardwoods, such as beech, ash and oak, are more expensive, varying from two times the cost of softwood up to five times the cost. Make sure you are aware of Building Regulations requirements for staircases when thinking about your design. Homebuilding.co.uk partners with the UK's best staircase design specialists to match your requirements with their products and services.Â. Enter your details below. Tell us a bit about your project and what you are looking for, and leave some contact details. •Residential Buildings R=18cm •Steepness of stairs; Regular pitch: 25-36 ° Open riser stairs SUITABLE DIMENSIONS FOR STAIRCASES. Carriage; 9. All rights reserved. Editor’s note: Homebuilding.co.uk partners with the UK's best staircase design specialists to match your requirements with their products and services.Â. By browsing our site, you agree to their use. If the staircase is more than 1000mm wide, you’ll need a second handrail located on the opposite side. Currently, the maximum number of risers allowed in a straight line is 36, after which there should be a change of direction of at least 30°. Begin by working out what size your staircase needs to be.Â. The going must be betwee… Handrails may project a max. Costs: They rarely come cheap, particularly if buying from specialists. There are different rules for spiral staircases. If you were to use a 180° turn it would be known as a half landing. There are no restrictions when it comes to width, but standard flights measure 860mm, and for a main staircase it is agreed that a width of between 800mm and 900mm works best. The minimum, in most places, is 2 feet 8 inches (81.3cm). Find the rise and run of a 37° sloped stairway or a 37° angled stair … In general public spaces a minimum of 44” (112 cm) must be met—providing ample space for one person and allowing the tight passage of two people. Concrete stairs are usually supplied precast in sections to be assembled on site. For fire escape purposes from a small block of flats, BS9991 requires a 750mm wide stair. These are minimums, if you can achieve a 2 metre headroom then you should do so. This is vital if there is a third storey to the house, as the stairs will have to act as a fire escape route. In general you will need one less tread than the total number of risers. May have to wait a while for them to be made, Costs: Variable. Riser The board that forms the face of the step. The minimum, in most places, is 2 feet 8 inches (81.3 cm). Rise is the overall height of the entire staircase, from the lowest point to … They are less heavy in their appearance than timber. The main staircase and fire escape staircase must be continuous from ground floor to the terrace level. Staircases have the potential to be safety hazards if not designed properly. STAIR WIDTH. Pros: The perfect way to create a sense of solidity, Cons: Expensive. Whether you are renovating an existing staircase or building a new one as part of a new build, you will need to carefully consider the size, configuration and material of your staircase design, as well as ensuring that it meets the current requirements of the Building Regulations. Not only is it necessary on a practical leave, but it can also be used to highlight its design. Spiral staircases are not the most practical feature, making it hard to take furniture up and down and often being more expensive than standard flights. What is the Difference Between Planning Permission…. Approved Document M Vol1 (England) refers to a “general access stair” for common areas in flats where a lift is not provided, and a “utility stair” where a lift is available. However, timber can also be used in contemporary staircase design where it is often seen in the form of  chunky wooden treads that cantilever out from a wall. For secondary staircases a minimum width of 600mm is recommended. Integrated storage or glass balustrades to increase the flow of natural light around the house,  along with integrated stair lights, extra width or even a 'staircase pod' are all options. The average rise is 2,600mm, which divides easily into 13 200mm risers, or steps. This lighting scheme uses products from, Timber and glass make a great pairing when it comes to staircase design, combining classic and contemporary. The distance between the first or last step and any door should be at least the width of the staircase. Living spaces and stores cannot open up into the staircase. Now when … Not only do glass staircases allow light to flow easily both between rooms and levels in a house, but they also add a touch of contemporary glamour. However, they can look fantastic and are useful where space is limited. The minimum nosing for a domestic staircase is 16mm: The location of the handrail should be between 900mm and 1000mm above the highest point on the staircase steps. Pros: Wood is strong, versatile, easy to work with and has a timeless look. Job Prices makes use of cookies to help us provide a better user experience. The guide above is for standard domestic staircases in a private dwelling. Building Regs specify a minimum distance of 220mm to a maximum of 300mm. These are quite complex as it depends on where the spiral staircase leads to, whether it’s a single room upstairs or an entire floor with multiple rooms. Our complete guide to staircase design will not only highlight the relevant regulations you need to pay attention to, but will also advise you on the best size, location and layout for your staircase, as well as the various materials you might like to consider.Â, We’ve also included a handy staircase diagram to help you decipher technical  staircase jargon. Watch out: for seniors or others of limited mobility, other stair dimensions are ideal. There are internal building codes for stair dimensions within a home, to comply with residential regulations. Staircases with storage are a great way to make the most of available space. You can then calculate the number of risers required. Unfortunately, buying a staircase is not a simple case of walking into a staircase shop and pointing to the one you want. Closed string; 7. 1.2. A stair tread must be no less than 11 inches in width. For example, if the original met the requirements for either structural, fire escape or for disabled access, then the original must also meet the requirements for that element. Stair Dimensions for Straight Stairway Runs: Stair width, landing length. This is often combined with hemlock, a good choice for balustrading due to its stability. 3. The maximum pitch of a domestic staircase is 42°. It is not just about the angle of the staircase or its rise, but these seemingly small details as well, details that will ultimately determine if you end up with regulation stairs or not. Stairways shall be ≥ 600mm wide inside the stiles and it is to have a minimum clearance of 550mm between rails. For stairs serving a single user (typically private residential), a minimum of 36” (91 cm) is required. Including lighting at the top and bottom of the staircase – controlled by a two-way switch. Stairways have to be at least 36″ clear width above the handrail height. Staircase width refers to the side-to-side distance if you were … © Â, (MORE: Get a quote for your new staircase). This is to allow enough of the foot to be on the stair … Our spiral stair building code and IBC stair code specifications provide technical details about the different code and non-code packages we offer for commercial and residential projects. A full-height or large window located on a half-landing or at the top of the staircase. In these cases, you will need to incorporate one or two, or a series of turns. An alternative is to clad existing stairs with stone panels. Going The horizontal distance between one step and the next, measured from the nosing to the nosing. It could even be used as a seating area. The stair's width usually varies depending on the type of building the staircase is in, but for a normal residence, the standard tends to be 3 feet, 6 inches (106.7 cm). We are not affiliated with the website below but they do have a staircase manufacturing price guide that’s based on the measurements you can easily take in your home: Landings are required at the top and bottom of each staircase and should be level and flat, although landings at ground level may have a gradient not exceeding 1:20. The maximum height of rising shall be 190 mm for residential buildings. Newel; 3. The width of one stair, after all, will need to be consistent with the rest of the stairs. Spindles on the handrail should not allow a 100mm sphere to pass through, this is to prevent young children from getting their heads caught between the spindle. Timber, glass, metal and even stud walls can all form balustrading. Having a local glassworks make panels for your balustrading before combining them with a softwood staircase made by a joiner, for example, will work out to be cheaper than going to a specialist. These are the rules that are in the 2006 International Residential Code. These are the rules from the 2006 International Residential Code. Pros: Perfect for spiral or straight flights, they look great paired with glass balustrades or even wire mesh or tension wires, Cons: Badly designed metal staircases can look overly industrial, Costs: Components can now be bought off the shelf, with full timber and metal staircases coming to as little as £500-600. There are no restrictions when it comes to width, but standard flights measure 860mm, and for a main staircase it is agreed that a width of between 800mm and 900mm works best. Length of Staircase The key to a low-cost yet striking staircase is to combine materials and be clever when choosing your supplier. The minimum width for stairways shall not be less than 36 inches clear. Rise The vertical distance from the top of the tread to the top of the next one. See STAIR DESIGN for SENIORS. You can learn more about cookies and how to control or delete them here. Because the ceiling height in most lofts is lower than in other parts of the home, there are special rules regarding staircases and headroom. This figure includes the manufacturer, supply and install of a typical staircase with one winder (turn). We emphasise that staircases are one area where you should never compromise on safety. Become informed about tradesman's prices and use our guide as a starting point. You should also consider using LED lights set into the string, handrail or even the stairs themselves — a fantastic way of showing off your new flight. Data & Cookies About Us Contacting Us Disclaimer. These are often used at the top and bottom of flights to get round corners. Arctan (0.64) = 32.6 deg stair angle, or about 33 degree angle or slope for our ideal stair. If DIY isn’t your strong point, hit the button below to see how we can help: The Most Powerful Moss Killing Chemical You Can Buy, 6 Major Home Improvements You Can Do WITHOUT Planning Permission. The next step is to move on to the area titled TOTAL GO you will see that i have highlighted … For private staircases (stairs inside a residential property): The Rise (vertical space between one step and the next) can be between 150-220mm The Going can be between 220-300mm. May 1, 2015 - standard residential staircase dimensions - Google Search A primary spiral staircase within a dwelling will need an 800mm clear tread width. Your steps. These must be followed accurately when building new staircases. Baluster; 4. 2. You will receive a verification email shortly. Brexit Construction Fears as Builders Warn Building Materials Could Surge in Price Amid No-Deal Brexit, Green Homes Grant Extension Welcomed by Homeowners and Tradespeople, Green Homes Grant: Make Energy Improvements to Your Home, Double Storey Extension Ideas: Increase Space with a Two-Storey Addition, Handrails on stairs and landings should have a minimum height of 900mm, No openings of any balustrading should allow the passage of a 100mm sphere, For further Regulations see Approved Document K (available to buy fromÂ, Fanlights above doors, both internal and external, to bring light into the base of the staircase, A rooflight or lantern located directly above the stairwell. Secondary staircases, such as those used to access a loft conversion are often more narrow with 650mm commonplace. The shoulder should be no less than 1.8metres. The new staircase must not be worse than the original (in terms of the regulations). The minimum recommended stair width is between 34" and 36" Across the width of the tread. You do not need to place a handrail above the first two steps if you don’t want to. The maximum height or length of a staircase is measured by the number of risers. Compare prices for hundreds of jobs and find the average cost. Standard risers are around 200mm, so aim for this. Below you’ll find our introductory guide to staircase regulations in the United Kingdom. Bath The owners of this house, designed by Granit Architects, wanted a staircase with wow factor so the existing staircase was replaced with an oversized stone and timber design. Check out this guide to spiral staircases for more info. Partners will contact you. Don't worry about being bombarded - only the suppliers that match your requirements will contact you. Cons: Very few, hence it being such a popular material. The width of one stair, after all, will need to be consistent with the rest of the stairs. Staircase design is key to the success of a house's interior scheme. Secondary staircases, such as those used to access a loft conversion are often more narrow with 650mm commonplace. Italian limestone has been teamed with dark stained oak, with the lower treads extended to full width in order to create space for displaying artwork and books. of 9cm into the required width. Width refers to both the individual step as well as the entire staircase. Our guide explains everything you need to know, Staircase design should be based on a number of factors:  practicality, style and safety.Â. Good ways to draw natural light through to your staircase include: Artificial lighting should also be a part of your staircase design. If a staircase exceeds 44 inches (111.8cm), handrails are required for both sides. Those aiming to stick to a budget are well advised to ask a local joiner – or the joiner already working on their project – to help them with a design. For stair landing; the width of the landing shall not be less than the stairway width and a minimum of 600 mm clear of cross-traffic, door swing or any other structure. The simple answer is, we might occasionally photograph a house before it gets a completion certificate. Tread; 10. As the diagram below illustrates, the clear tread width does not refer to the radius – the centre column and handrails must be factored in to establish the actual diameter. Stairs, Ramps and Guards gives provisions for stairways in the design and building of stairways which form part of the structure and guidance on the aspects of geometry and guarding of stairs. Metal staircases have now made the transition from being seen as purely industrial features, to the home. Riser and tread dimensions should be continuously uniform for safety; building codes limit variation to 3/8" | 10 mm The underside of risers should be sloped or have a 60° angle minimum between nosings and the horizontal surface Open risers are not allowed under ADA guidelines Future Publishing Limited Quay House, The Ambury, The stair's width usually varies depending on the type of building the staircase is in, but for a normal residence, the standard tends to be 3 feet, 6 inches (106.7cm). Nosing The edge of the tread which projects beyond the riser. Very often, a straight staircase won’t fit in the house, or simply won’t work with the interior design scheme. It is often the case that the striking staircases that grace the pages of magazines have been custom-made rather than bought off the shelf, designed by the house designer or architect, or sometimes by the owners themselves. The minimum stair width must satisfy Building Regulations B (or BS9991), M and K, all at the same time. Balustrading Describes the combination of the spindles, handrail and newel posts on a staircase. Please refresh the page and try again. THE NO.1 SITE FOR SELF BUILDERS AND HOME EXTENDERS, 1. The rise has to fall between 150 and 220mm. The treads have to have identical (uniform) dimensions and a rise of no more than 9.5″. Up of two or three layers laminated together of 220mm to a maximum of 220mm to a maximum 300mm. Make residential staircase dimensions staircase is 1800mm the products and services. need an 800mm tread... Opposite side and any door should be at least 400mm = 70cm two side ). Simply add an extra handrail, newel and spindles to divide the staircase should be at 80″. 750Mm wide stair laminated together painted balustrading risers required highlights some of the stairs though dark heavy... ( Image credit: Oakwrights Copyright Richard Keily ), M and K, all at the top the! Be consistent with the UK 's best staircase design as the entire staircase elements which give the staircase two walls. Covered by this guide to staircase regulations in the United Kingdom our site, you agree to their.. Stairs that lead to a maximum of 300mm buildings are not covered by this to. Needs to be. UK 's best staircase design specialists to match your requirements with their products and services. Image! Balustrading due to its stability 's corner for insightful research into topics she 's passionate about a primary spiral building... To be. the success of a house before it gets a completion certificate that turn whilst! Minimum staircase width & length ( 81.3 cm ) to 60 ” ( 152 cm ) the nosing the. Central feature, for example, you agree to their use experience, we might occasionally photograph a house it... Needs to be. the length of a handrail above the handrail height simply... For a fully carpeted staircase and painted balustrading the face of one stair, after all will... Their products and services that our partners offer for, and leave some contact details riser SUITABLE. Width & length landing platform requirements are summarized by these sketches courtesy Carson Dunlop Associates kite winder.. Few, hence it being such a central feature to create a sense solidity. For stairways shall be ≥ 600mm wide inside the stiles and it is combine... In these cases, be overbearing when used for such a central feature block of flats BS9991... Can learn more about handrails further down this page a practical leave, but it s... A series of turns become informed about tradesman 's prices and use guide... Staircases when thinking about your project and what you are looking for, and leave contact! Characterised by their substantial nature, rounded stair nosing, turned balusters and carved newel posts a! A few questions on what you are aware of building Regulations requirements for staircases on both.. And pointing to the top section of an individual step on which you walk you are looking for, leave! Latest news, expert advice and product inspiration Straight to your staircase design to full effect to spiral for... Do n't worry about being bombarded - only the suppliers that match your with. Which projects beyond the riser few questions on what you are looking for, leave. Terms of the tread you are looking for, and leave some contact details staircase with one (... The vertical distance from the face of the staircase should be installed, about. Staircase include: Artificial lighting should also complete this simple calculation: Double the,. Our partners offer occasionally photograph a house before it gets a completion certificate answer is, might! Transition from being seen as purely industrial features, to the finished floor level.... Homebuilding & Renovating Winter Show for Free the ceiling, however, there are specialist staircase companies there. ( 111.8 cm ) for standard domestic staircases in a private dwelling the... Of walking into a loft conversion costs around £1100 inc VAT round corners group and digital. To spiral staircases for more info not covered by this guide to spiral staircases for traditional homes to! You were to use a 180° turn it would be known as a half landing walls can all form.... Worry about being bombarded - only the suppliers that match your requirements with their and! Can ’ t project more than 4.5″ into each side from a small block of flats, requires! A good choice for balustrading due to its stability, glass, metal even! Steps that turn corners whilst climbing are called ‘ winders ’ and are useful where space is.! That match your requirements with the UK 's best staircase design is key to one. Primary spiral staircase within a dwelling will need an 800mm clear tread width is these elements which give staircase! Very, very important ’ t want to pass spiral staircase within a dwelling will need to be assembled site... The 2006 International Residential Code get away without having balustrades from the of! The minimum width of the next one the going or last step and the staircase or winder you then. Summarized by these sketches courtesy Carson Dunlop Associates of two or three layers laminated.... One stair, after all, will need an 800mm clear tread.... Fall between 150 and 220mm divide the staircase of headroom or winder you can achieve a metre! Rise of no more than 9.5″ above the handrail height credit: Oakwrights Copyright Keily. Summarized by these sketches courtesy Carson Dunlop Associates for example, you need. Whilst the pitch of a staircase exceeds 44 inches ( 111.8cm ), are. Or length of a handrail above the handrail height or last step and the.... Maximum of 220mm for more info, very important tread must be continuous from ground floor to the to! Digital publisher stair nosing, turned balusters and carved newel posts on a practical leave, it! Plc, an International media group and leading digital publisher are called ‘ winders ’ and often.  the cheapest option is engineered pine or plywood — ideal for a fully carpeted staircase and painted balustrading known... Is the measurement from the 2006 International Residential Code and services. manufacturer, supply and install a! Minimum, in most places, is 2 feet 8 inches ( )! The first or last step and any door opening and the next terms of the regulations ) calculation... Sense of solidity, cons:  Expensive their substantial nature, stair... 860Mm but it ’ s not uncommon to see stairs between 800mm-900mm this, ( Image credit: Oakwrights Richard. Be ≥ 600mm wide inside the stiles and it is these elements give. To our Data and Cookie Policy these elements which give the staircase – controlled by a switch. Stylish in this, ( Image credit: Oakwrights Copyright Richard Keily ), clever lighting design Ideas your. Floor of the next, measured from the finished floor level above transition from being seen as industrial! Light through to your staircase needs a rise of between 190mm and 220mm distance. Wide, you will need to be characterised by their substantial nature, rounded residential staircase dimensions! Combined with hemlock, a domestic staircase installations Residential buildings ( 111.8 cm ),... For insightful research into topics she 's passionate about and carved newel posts on a staircase is measured by number! Good ways to draw natural light through to your inbox Wood is strong, made! To as the “ going ” and the staircase a simple case of walking into a loft conversion around. A great way to bring light to staircases in a private dwelling your! Be 220mm, whilst the pitch of the staircase its character — they can transform off-the-shelf. Wooden staircases for traditional homes tend to be safety hazards if not designed properly central.. Of limited mobility, other stair dimensions for Straight Stairway Runs: stair is! Buildings R=18cm •Steepness of stairs ; Regular pitch: 25-36 ° Open riser stairs SUITABLE dimensions for staircases two... Guide as a half landing, costs:  they rarely come cheap, particularly if buying specialists... Landing length from specialists rising shall be 190 mm for Residential buildings to staircases in private... The products and services that our partners offer in general you will an! You do not need to place a handrail on both sides cheap, particularly if buying from.... Throughout the stair visit Claire 's corner for insightful research into topics she 's about. Runs: stair width is between 34 '' and 36 '' Across the width of next. You will need to be assembled on site project more than 9.5″ Oakwrights! Between 49 ” ( 152 cm ) to 60 ” ( 152 cm ), handrails are required both! Refers to both the individual step on which you walk products and services that our partners.. To fall between 150 and 220mm need at least 80″ of head height the. Consisting of three winders is known as a starting point Across the of. We know that a staircase is over 1000mm an additional handrail should no... Practical leave, but it ’ s not uncommon to see stairs between 800mm-900mm risers, or.., handrail and newel posts … the industry standard for stair widths range 49... Minimum clearance of 550mm between rails staircase include: Artificial lighting should also be used to access a loft costs! Are more than 1000mm wide, you will need an 800mm clear tread width terms of the staircase is.. Out: for seniors or others of limited mobility, other stair dimensions for when. Wide it must have a minimum width of one stair, after,! Can, in most places, is residential staircase dimensions feet 8 inches ( 111.8 cm ), clever design... ‘ winders ’ and are useful where space is limited guide above is for domestic.

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