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Inclusive Design – Toilet Cubicles, Lift and Doorway Dimensions

I would like my design for the business and hospitality hub to be inclusive so the spaces are accessible to everyone. Therefore, there are certain elements within the design that allow for this, such as, disabled toilets, lift, doorways wide enough for wheelchair users, installation of ramps if and where necessary.

The British Standards Institute (2005) defines inclusive design as “The design of mainstream products and/or services that are accessible to, and usable by, as many people as reasonably possible … without the need for special adaptation or specialised design.”

Standard, Enlarged and Disabled Toilets

Standard and Enlarged Toilet Cubicles

The following standard and enlarged cubicle sizes refer to Building Regulations Part M and the Equality Act 2010 for guidance only.

Standard Toilet Cubicles

All standard toilet cubicles must now have a minimum of 450mm diameter manoeuvring space within the cubicle space.

Enlarged WC Cubicles

When four or more cubicles are provided in a washroom, one of these has to be an enlarged cubicle. Enlarged cubicles must be a minimum width of 1200mm and include an outward opening door to avoid interference with the manoeuvring space.

Ambulant Disabled Cubicles

Every same-sex washroom must have at least one WC cubicle that is suitable for the ambulant disabled. If there is only one cubicle in the washroom then this must be suitable for an ambulant disabled person. The ambulant disabled cubicle must include an outward opening door to avoid losing manoeuvring ability.

Wheelchair Accessible Toilet Cubicles

Wheelchair Accessible Cubicles

The wheelchair accessible layout has been modified to accommodate an overall toilet cubicle length of 2220mm. The door opening needs to be 900mm with a 950mm (wide) outward opening cubicle door to avoid interference with manoeuvrability.

For more information, please have a look at the following link:


There is a lift installed in the building to allow wheelchair users to gain easy access to the upper and lower floors of the building as it is an inclusive space.

Doorway Dimensions

I will be making the doorways 1000mm wide where possible in my design to allow enough space for a wheelchair user to get through easily and safely. This will also allow for the prevention of trapped fingers between the door frame and the wheels or the door frame and the handles if being pushed. And 900mm-950mm where 1000mm is not quite possible as it still allows enough space for safe wheelchair clearance.

Building Regulations Part M: Access to and Use of Buildings

For this information, I looked at the Building Regulations Part M which covers Access to and Use of Buildings, these can be accessed via the links below:


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