Prior approval for extensions and conversions

Apply for prior planning approval

Before you start

To apply for prior planning approval:

  • Applications should be submitted through the Planning Portal website
  • You will need to log in or register for a planning portal account

Begin application

Planning and Building Control Team

Please use the details below for all enquiries regarding planning consent and building control, including any change of use or change to the outside appearance.

Address: London Borough of Harrow
Planning and Building Control
PO Box 1358

Telephone: 020 8901 2650