To subdivide a house into multiple units you must obtain planning permission.
If your house is a listed building it is likely you will need listed building consent and you should contact your local planning authority for advice before you start work. Works to a listed building that affect its special historic character without consent is a criminal offence.
If your flat is in a conservation area and your proposals involve an element of demolition then you may need to apply for conservation area consent and you should contact your local planning authority.
- Conversions of properties require approval under the Building Regulations.
- You may need to consult the Fire Service regarding issues relating to fire escapes.
- The Housing Act 2004 requires that sub-divided buildings meet standards and houses in multiple occupation are licensed. Read more about the Housing Act 2004.
Disclaimer - Wales
This is an introductory guide and is not a definitive source of legal information. This guidance relates to the planning regime for Wales. Policy in England may differ. If in doubt contact your Local Planning Authority.