Permitted Development Extensions in Bromley

We provide clear, professional guidance on permitted development extensions in Bromley and surrounding areas. Whether you’re planning a rear, side, or two-storey extension, understanding local planning constraints and national permitted development limits is essential before work begins.

Common Permitted Development Issues in Bromley

• Extension within a conservation area in Bromley
• Prior approval required but not obtained
• Raised decking exceeding permitted height
• Dormer facing road
• Extension built beyond original rear wall line
• Materials not matching existing dwelling

Property Types We Advise On in Bromley

• Semi-detached houses
• Detached houses in Bromley
• Terraced houses
• Bungalows
• 1930s suburban homes

Frequently Asked Questions

Does my extension need to match existing materials?

While not always mandatory under permitted development, matching materials is often recommended for visual consistency.

Can I extend a flat under permitted development?

Flats and maisonettes generally do not benefit from permitted development rights for extensions.

What is retrospective planning permission?

Retrospective applications seek approval for work already carried out.

What measurements are used for height?

Height is typically measured from the highest ground level adjacent to the building.

Will permitted development rules change?

Planning legislation can change over time, so it is important to check current regulations.

How much does a planning application cost?

Fees vary depending on project type and local authority charges.

If you're planning an extension in Bromley and want to confirm whether it qualifies under permitted development rules, request a free assessment today and get clarity before you build.