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Do you need planning permission for a conservatory?

Do you need planning permission for a conservatory

Conservatories are an excellent way of adding extra space and enjoying the outside without being exposed to the weather.

When it comes to planning your conservatory, the last thing you want to worry about is planning permission.

To help ease some of that worry, we’ve put together this guide on conservatory planning permission and what exactly you need to know.


Do you need planning permission?

When it comes to the typical house, planning permission is not generally needed.

However, planning permission will be needed if your conservatory falls within certain conditions, such as:


  • More than half your land area around your original house is covered by additions and other buildings, including outhouses and sheds. The original house is how your home was first built, or existed on 1 July 1948 if it was built before this date, so any extensions from previous owners will also be included in this condition.
  • The conservatory cannot be higher than the highest part of your roof.
  • The conservatory cannot be forward of the principal or side elevation facing a highway.
  • Single storey conservatories at the rear of a house cannot be longer than three metres for attached houses, and four metres for detached houses. Overall, it can’t be higher than four metres.
  • In places outside designated land, such as national parks, conservation areas, world heritage sites or areas of scientific interest, conservatories can be increased to six metres for detached houses and eight metres for detached houses. These increased limits must go through the neighbour consolation scheme.
  • On designated land, conservatories can’t be more than one storey, be placed on the side or have any cladding on the exterior.
  • Side conservatories cannot be more than one storey or the width cannot be more than half the original house.
  • Conservatories higher than one storey need to have a matching roof pitch to the house.

These planning permission requirements are limited to houses. If you live in a flat or maisonette, converted house, or listed building, then your conservatory may need planning permission.



In general, planning permission is not needed on a typical house unless it falls under one of the above conditions.

If you live in a ground-floor flat or maisonette, converted home, or listed building, you will need to check planning permission status before building your conservatory.

Need more information on planning permissions for your conservatory? Get in touch with our team today.

Written by: Joe

Published on: 21 July 2017

Categories: Uncategorized