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Office to Residential Conversions: Planning and Practicalities

Permitted development helps, but rules apply.

Office to Residential Conversions: Planning and Practicalities Real Estate Development & Planning

Updated October 2026 · Fraser Bond

Development · Conversions

Office to residential conversions

Class MAprior approval
Spacestandards
Article 4London
Viabilitycheck
In short: In England, many commercial buildings in Class E, including offices, can be converted to homes under the Class MA permitted development right, subject to prior approval covering issues such as transport, contamination, flooding, noise, natural light and the impact of introducing homes. New homes must meet nationally described space standards. Many London boroughs use Article 4 directions to remove this right in key areas, so full planning permission is needed there. Building regulations and fire safety apply in full. Fraser Bond can advise on end values for converted homes.

Frequently asked questions

Do I need planning permission?

Possibly not under Class MA, but prior approval is needed.

What is an Article 4 direction?

A council order removing permitted development rights.

Planning a conversion?

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