Planning, building control and environmental regulations

Find out about planning permission, building regulations, street naming and numbering, and making a tree works application.

Make a building control application and find out more about building regulations.

Search for applications, decisions and archived records, comment on applications, speak at committee and advice on applications.

Information on planning enforcement, reporting a breach of planning control and short-term letting.

Find out how the City Plan, neighbourhood planning and other planning policy and guidance

When a building project creates a new thoroughfare or building, the developer has to apply to us to give a names.

Find out more about Westminster's street trees and make an application for works to protected trees.

Advice on improving energy efficiency and sustainability of buildings, and find out what permissions and consents may be required.

Our environmental policies, how we apply regulations, how to report noise complaints and what noise complaints we investigate.

Find out about Westminster's listed buildings, conservation areas and audits, historic parks and world heritage sites.

Publicly available planning datasets.