If you have clicked here it may be because you would like to add an extension to your home but are unsure if
you need planning permission. Maybe you do require planning permission but are unsure where to start. Well, don’t worry
we can get you started.
If you answer yes to any of the statements below you WILL probably need
For Single Storey Extensions you will need planning permission if:
You are planning to build on designated land.
Your extension (including previous extensions) exceeds
50% of the total area of land around the original house.
The term “original house” refers to how
the house stood in 1948. Sheds and other outbuildings must be included.
· Your extension is to be built at the front of the property and facing a highway.
You wish to change the materials used for the exterior
work. This rule does not include conservatories.
Your extension is to exceed more than half the width
of the original house.
Your extension is to exceed 4 meters in height.
Your extension is within 2 meters of a boundary and
the eaves are to exceed 3 meters in height.
Your extension extends more than 3 meters from your
original semi-detached house or 4 meters if a detached house.
· Your rear extension exceeds more than a total of 4 meters in height.
· The eaves and ridge of the roof are higher than the original house.
Double Storey Extensions you will need planning permission if:
· Your extension does not meet any of the rules for the single storey extensions.
· Your extension is at the rear and it is within 7 meters of the rear boundary.
You wish to construct a different roof pitch to that
of the existing house.
You wish to install windows to the side of the extension
without obscure glass or with openings lower than 1.7 meters
above the floor in which they are fitted.
You wish to install a balcony or veranda.
if you answered yes to any of the statements above you WILL probably need planning permission.
you would like to build an extension to your home and think that you may need planning permission then contact us by filling
in the enquiry form or calling us. We will be happy to guide you through this process.
above are condensed and aimed to offer you a quick guide into planning. If you require further information about planning
permission click on the government link below.