Part M
Plain English. Practical detail. UK context.
Part M is England's Building Regulations provision on access to and use of buildings. Approved Document M has separate dwelling and non-dwelling volumes. It is not simply a ramp requirement, and a minimum regulatory detail is not automatically a complete accessibility solution for every person's needs.
Last reviewed: (editorial review against the public sources listed below).
Identify the building and applicable category
The dwelling guidance distinguishes M4(1) visitable dwellings, M4(2) accessible and adaptable dwellings and M4(3) wheelchair-user dwellings. The latter two are optional requirements that can apply through the relevant planning condition. Do not describe every new home as wheelchair accessible merely because it meets the baseline category. Check the actual requirement and project conditions. The non-dwelling volume has a different scope. Homeowners or clients should explain present and future needs early rather than expect every adaptation to fit after the layout and structure are fixed.
Access is a route and usable space
Approaches, entrances, doors, circulation, controls and sanitary provision can need coordination. An accessible-looking doorway does not settle turning space, thresholds or the route to it. Tradespeople need the complete layout and specified dimensions for the applicable category, not a universal remembered figure. Trainees should report clashes before fitting, particularly where service positions or finishes reduce clear space. Products marketed as accessible still need suitable installation and context. Consider the person using the building rather than treating every requirement as an isolated measurement that can be checked independently.
Coordinate other duties and design aims
Fire escape, guarding, structure and drainage can interact with access decisions. England's other Approved Documents supply relevant guidance; a convenient change for one trade should not undermine another part of the design. Building Regulations and Equality Act duties are not identical, so do not claim a Part M completion record settles every disability-related obligation. A specific adaptation may benefit from suitable specialist advice. Trainees should understand who approves a change and avoid describing their own preferred layout as universally suitable for all wheelchair users or mobility needs.
A useful homeowner agreement and record
Agree the required category, personal brief where relevant, design responsibility, products, checks and making good. Record key changes and explain normal operation and maintenance. HSE guidance separately informs safe handling and access during construction. Prices and outcomes vary from job to job, so compare written, itemised quotations rather than relying on a typical figure. The correct national framework must be used outside England. Homeowners should distinguish baseline compliance from an individually tailored adaptation, while tradespeople should ask for complete details before pricing. A small on-site substitution can affect usable space, so review it before installation rather than hope a similar-looking fitting will perform identically.
Frequently asked questions
Are all new homes required to meet the same wheelchair category?
No. Check the baseline and any applicable optional requirement or planning condition.
Does Part M compliance settle every Equality Act duty?
No. They are different frameworks and the actual duties need separate consideration.
Sources and further reading
Public sources and further reading. Sources checked: 8 November 2026. Consult the original for details and later changes.