Local Planning Authorities are tasked with producing a 'Brownfield Land Register' every year: identifying previously developed land for potential housing use. The Register is seen as playing an important part in maintaining the efficient re-use of land for new homes.
The official Dartford Brownfield Land Register (March 2021) is available: Dartford Brownfield Land Register (December 2021)
A basic dataset for each site has been submitted to government, to make the information publicly available. The Brownfield Land Register data is available below in CSV and shape file format:
Access the Brownfield Land Register site plans.