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What are the rules around permitted development rights in Conservation Areas?

3 min read
Oct '25 • by Molly-Sue Moore

Quick summary

In Conservation Areas, permitted development rights are more restricted than elsewhere, meaning you often need planning permission for extensions, cladding, or changes to windows and doors. While small extensions and minor alterations might still be allowed, larger projects or significant changes generally require approval, which can take several weeks and involve costs for applications and professional help.

If you’re considering undergoing a home renovation or having an extension added onto your home, it’s vital that you understand the rules and regulations around what permissions you need to make your build lawful. This is particularly important if you happen to live in a Conservation Area as there are more restrictions in place around construction, materials that can be used and whether or not you can exercise permitted development rights.

We break down what permitted development rights are, how they are impacted by Conservation Areas and what you need to know to give yourself the best chance of securing permission for your build.

What are permitted development rights?

Full disclosure: permitted development rights can be tricky to untangle and understand so, if you’d prefer to speak to someone about what they entail, I’d recommend book a free advice call with one of our in-house experts. If you prefer to read, then welcome – let's get started!

Permitted development rights are part of a scheme created by the government that allows you to get an extension or carry out home renovations without requiring full planning permission. As of a few years ago, the scheme has evolved to include larger projects and more options for home improvements.

What is a Conservation Area?

A Conservation Area is an area that’s protected by a series of building and planning restrictions to ensure that the original character of it is either retained or improved. Its importance is protected to conserve its integrity. The protected areas can range from country estates to old city suburbs or historical landmarks and more.

Can I use Permitted Development rights?
Permitted development rights mean you may be able to extend or renovate without the need for a full planning application.