Guides · 5 min
Wraparound extensions
A wraparound joins a rear extension and a side extension. The rules are stricter than people expect.
Why it is not just a bigger rear extension
A wraparound covers the back and turns the corner along the side. Under the national rules, an extension that is both at the side and at the back is often outside permitted development, even if each part would have been fine on its own.
That is why many wraparounds are full applications. The council looks at bulk, the neighbour’s light, and how the new part sits against the boundary.
What tends to be easier
A single-storey wraparound, set in from the boundary and not too deep, is the version that more often gets a yes. A two-storey wraparound is a much harder ask.
Look at similar houses on the same street. If they stopped at a simple rear extension, a wraparound may be the job that needs more care.
Check with your council. Rules change, and every house is different.
Questions
Is a wraparound permitted development?
Often no, because it extends to the side as well as the rear. Some very limited shapes still fit. Check the house.
Will the neighbour’s kitchen get darker?
That is one of the usual tests. A deep wraparound close to the boundary is the version that causes trouble.
Check with your council. Rules change, and every house is different.