Boundary help

[WJ99mobile]

If the extension has been there for over 4 years it’s exempt from planning enforcement action by virtue of section 171B of the Town and County Planning Act 1990. Your neighbour can apply (and automatically be granted providing they can evidence the extension being there for at least 4 years) a lawful development certificate to regularise it.

Always thought it 7!

Learn something new each day

[Van Halen]

4 years for operational development (i.e. a building or structure), 10 years for a change of use or breach of a planning condition.

Although a change of use to residential is also 4 years.

[xsnaggle]

4 years for operational development (i.e. a building or structure), 10 years for a change of use or breach of a planning condition.

Although a change of use to residential is also 4 years.

But if the building was constructed without permissions originally and it encroaches on another persons land?