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Planning, building and environmental regulations

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

Planning applications

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

Planning policy

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

Building control

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

Planning enforcement

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

Street naming and numbering

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

Trees and high hedges

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

Planning and the climate emergency

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

Environmental policies, regulations and guidance

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

Design and heritage in planning

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