When will my garden room require planning permission?

In some instances garden rooms and similar buildings can fall into Permitted Development, so
therefore do not require planning permission, however not all cases are like this.
These are the factors to consider as it may determine whether planning permission is required.
Consider:

  • Will it occupy no more than 50% of the available space around your house
  • What will you use the building for?
  • Where will the building be sited?
  • Will your garden room/granny annexe be within a conservation area?
  • Will it be built within the grounds of a listed building?

What does this mean for my proposed build?

If you’re looking to build within a conservation area, AONB or within the grounds of a listed building,
the application can become a little more complicated. We’d advise speaking to a specialist in this
instance to ensure you can put the best case forward.


If the buildings purpose is to be used for everyday living and designed to be self sufficient, like
installing kitchens and toilets for instance, you will need to gain planning permission.
However summer house, log cabins or sheds for example may not require permission.

What does this mean for my proposed build?

If you’re looking to build within a conservation area, AONB or within the grounds of a listed building,
the application can become a little more complicated. We’d advise speaking to a specialist in this
instance to ensure you can put the best case forward.


If the buildings purpose is to be used for everyday living and designed to be self sufficient, like
installing kitchens and toilets for instance, you will need to gain planning permission.
However summer house, log cabins or sheds for example may not require permission.

Why is it so important to check?

So many cases have occurred where a building has been sited without any planning permission in
place, forcing many to have the building pulled down.


What happens when you have moved an elderly parent or an individual In need, into a garden
annexe and are obliged to remove them due to lack of permission? Where are these vulnerable
people meant to go?


Often cases NAPC have worked on are for the intention of elderly parents to occupy or those with
deteriorating health conditions, so it is worth avoiding this situation by speaking to a specialist.

What can NAPC do if planning permission is required

NAPC can provide thorough assistance should you need planning permission, even if you require an
initial conservation with one of our planning experts, we can make that happen.


NAPC will be in charge of communicating direct with your LPA ensuring the process is seamless and
as worry-free as possible.

It can be an overwhelming experience, so speak to NAPC to produce a positive and successful
outcome.

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