Lawful development certificate
What is a lawful development certificate, and do I need one?
What is a lawful development certificate, and do I need one?
A lawful development certificate is a formal council confirmation that work is lawful — either because it is permitted development, or because it has existed long enough to be immune from enforcement. It is not compulsory, but it is valuable at resale to prove an extension or loft needed no planning permission.
What lawful development certificate means
There are two kinds: one confirming proposed work would be lawful (permitted development), and one confirming existing work is now lawful through the passage of time.
Unlike a planning application, an LDC is decided on fact and law — does the work meet the rules — not on planning merits.
What it means for your project
If your project is permitted development, an LDC gives you certainty and a document for your conveyancer — worth the modest fee.
Buyers and lenders increasingly ask for evidence that past work was lawful; an LDC is the cleanest way to provide it.
Where lawful development certificate matters most
Does lawful development certificate apply at your address?
A Planning Policy report applies the official rules to your exact property: the designations on your address, the policies that bear on your project — quoted verbatim — and what decided applications nearby show. Generated in minutes.