Open data
for England
Conservation area checkerIndependent website

This is not a local authority search (LLC1 or CON29). Open government data, explained. Details

Coppermill Lock conservation area

Is your home inside Coppermill Lock? Check the postcode.

Designateddate not published
ReferenceTHE_342_CA_5
Official appraisalOpen the council document

Median house price in Three Rivers District Council: £550,000 (2025).

What living in Coppermill Lock means

Demolition and many external changes need planning permission, and you must give the council six weeks' notice before work on most trees.