Find your property
Enter an address or postcode and choose the home project you are considering.
Planning checks for home projects
We check the planning rules that apply to your property, so you can see what you can build and what to do next.
Planning check
Enter an address or postcode to start your planning check.
Free online assessment · Optional paid PDF download · No card required
How it works
Enter an address or postcode and choose the home project you are considering.
We check the planning rules that apply to your property, along with any restrictions and nearby planning decisions.
Find out whether you are likely to need planning permission, and what to check before you start.
Your result
See the likely planning route, the details that need checking, and nearby planning decisions with clear explanations.
See whether your project might be allowed automatically or is likely to need a planning application.
See which planning restrictions apply to your property and why they matter.
Know what to check before you pay for drawings, get professional advice or apply to your council.
Common questions
It shows whether your project is likely to need planning permission, whether there are restrictions on your property, and what to do next.
No. The final decision depends on your design and your local council. CanUBuild gives you an early view of the planning rules, so you can plan before paying for drawings or submitting an application.
Common home projects including rear and side extensions, loft and garage conversions, garden rooms, porches, basements, driveways, paving and replacement windows.
See whether your project needs planning permission and what to check first.
Check my property