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Permission Quiz

Find Out If You'll Likely Need Planning Permission in Under 2 Minutes

Planning permission is something that always needs to be considered when you’re making changes to your home and your property. That is why we’ve created this helpful tool to help you identify if your project is likely to need full permissions or if it will instead fall within your Permitted Development Rights. While there is no way to be completely certain, this gives a rough idea of what the likely outcome will be and give you an idea of what may be in store for your build.

Is your home a listed building, in a conservation area, National Park or area of outstanding natural beauty?

Is your project going to be added to an existing addtion (like another extension)?

Which type of project are you planning to carry out?

Where will the etxension be on the property?

Is it over 3.0m Projection?

Is it wider than the rear of the property?

Is it within 2.0m of the Boundary?

Is the eaves above 3.0m from adjacent ground level?

Is the max height over 4.0m from adjacent ground level?

Will it have matching Materials?

Will is cover over 50% of your curtilage?

is it more than half the width of the original house?

Does it protrude past the front elevation?

Does it go more than 3.0m beyond the rear wall?

Will it adjoin an existing rear extension?

Does it face a highway or public footpath?

Is it within 2.0m of the Boundary?

Is the eaves above 3.0m from adjacent ground level?

Is the max height over 4.0m from adjacent ground level?

Will it have matching Materials?

Will is cover over 50% of your curtilage?

Is it more than 3.0m Squared?

Is the max height over 3.0m from adjacent ground level?

Is it within 2.0m of a boundary abutting a highway or public footpath?

Is it to the rear?

Will it extend more than 3.0 Meters?

Is it within 2.0m of the boundary?

Is the eaves above 3.0m?

Will it be matching materials?

Will the ridge or eaves be higher than existing?

Will you want side windows?

Is it beyond the principle elevation?

Will is cover over 50% of your curtilage?

Is it within 2.0m of the Boundary?

Will the total height exceed 2.5m?

Is it Pitched or Flat Roof?

Is it over 3.0m total height?

Is the eaves over 2.5m from adjacent ground level?

Is the max height over 4.0m from adjacent ground level?

Is it to the rear or side?

Is it over 3.0m Projection?

Is it wider than the rear of the property?

Does it face a highway?

is it more than half the width of the original house?

Is it within 2.0m of the Boundary?

Is the eaves above 3.0m from adjacent ground level?

Is the max height over 4.0m from adjacent ground level?

Is the eaves higher than the existing house eaves?

Will is cover over 50% of your curtilage?

Will you require a dormer?

Choose House Type

Will your loft space be greater than 40m?

Will your loft space be greater than 50m3 ?

Will the volume of the dormer exceed the above amount?

Will it face a highway or public footpath?

Will it be matching materials?

Will it have a balcony?

Will you want side windows?

In most cases, you wouldn't need planning permission for this work to be carried out, but we would always recommend speaking with a professional first and taking the necessary precautions. Speak to our team for more on how to go about this.
In most cases, you wouldn't need planning permission for this work to be carried out, but windows need to be obscure glazed and not openable below 1.7m. We would always recommend speaking with a professional first and taking the necessary precautions. Speak to our team for more on how to go about this.
You will probably need planning prmission for this project in the vast majority of situations. Speak to a member of the CK Architectural team today for more information or to get quotes and advice on the services you may need.

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