Do I need planning permission for a Wendy house?

John Conlin / 25 January 2017

Chartered surveyor John Conlin resolves a planning permission issue.


I want to build a Wendy house for our grandchildren and would like to make it big enough to become a den for them as they get older - but I don’t want problems with neighbours.  

What are the planning rules about size and materials?


For a building in a rear garden with a floor area of less than 15 square metres, a roof no more than 2.5 metres high and at least 1 metre from any boundary, planning permission is not currently required.  

If it is built of wood, building regulations require it to be at least 2 metres from any other building or combustible fence. 

For further details refer to                                                              

Explaining Building Control and Regulations

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The opinions expressed are those of the author and are not held by Saga unless specifically stated.

The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.