Blog>Questions>What is the minimum internal door width in the UK?

Last updated: 13 November 2023

What is the minimum internal door width in the UK?

Read our handy guide to find out the minimum internal door width in the UK.

What is the minimum internal door width in the UK?
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Many homeowners want to know what's the minimum internal door width in the UK. Do doors have to be a certain size, and are there certain regulations that you need to adhere to?

We answer all these questions to help choose the right internal doors for your home.

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What is the minimum width for internal doors in the UK?

In the UK, internal doors come in a selection of standard widths: 24", 28", 30", 32", and 36".

  • A 24" (610mm) door would be considered narrow and would typically be used in a tighter space, perhaps an airing cupboard

  • 30" (762mm) is the standard door width in England and Wales, whereas, in Scotland, the standard width is slightly narrower at 726mm

What are the Building Regulations requirements for internal door width?

Building Regulations state that internal doors must meet minimum width requirements.

The minimum standard door width of internal doors in newly built visitable dwellings to provide sufficient disabled access is as follows:

Minimum width for an internal doorway

  • 750mm – When the approach is head-on from a corridor with a width of 900mm

  • 775mm – When the approach is not head-on from a corridor with a width of 1050mm

  • 800mm – When the approach is not head-on from a corridor with a width of 900mm

What is the minimum internal door width in the UK?

Find an experienced carpenter near you

To ensure your internal doors are hung professionally, we recommend hiring an experienced carpenter to hang your internal doors.

As a guide, hanging a new door will cost around £120 per door. It typically takes 2-3 hours for a standard door fitting.

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