Find Out Instantly If You Need Planning Permission
Answer a few simple questions about your project and get a clear answer based on UK permitted development rules. Free to use, no jargon.
Trusted by homeowners across England
Features
Plain English Results
We translate complex permitted development rules into a simple yes, no, or maybe.
Covers All Common Projects
Extensions, loft conversions, outbuildings, garage conversions, fences and more.
Based on Official UK Rules
Our checker uses the latest permitted development rules direct from UK Government guidance.
Share With Your Builder
Hand your contractor a clear document outlining what you can and can't build.
Pre-Application Letter
Generate a ready-to-send letter to your local planning authority in one click.
Keep a Record
Store your check results for future reference or if questions arise during your build.
How It Works
Enter Your Postcode
Tell us where the property is so we can identify your local planning authority automatically.
Describe Your Project
Answer a few simple questions about what you want to build. Takes less than 2 minutes.
Get Your Verdict
Receive a clear plain English answer based on official UK permitted development rules.
Pricing
Simple, transparent pricing. No surprises.
FEATURES
What's included
- 1 check per month
- Plain English verdict
- Basic next steps
FEATURES
Everything in Free, plus...
- Unlimited checks
- Downloadable PDF report
- Pre-application letter
- Check history saved
- Priority support
What Homeowners Say
Real feedback from homeowners who checked their projects with NeedPlanning.
Sarah Mitchell
Homeowner, Bristol
"NeedPlanning saved us weeks of confusion about our rear extension. We got a clear answer in minutes and shared the PDF with our builder the same day."
James Patel
Architect
"I recommend NeedPlanning to clients before our first meeting. It helps them understand permitted development rules in plain English before we dive into the detail."
Emily Johnson
Loft conversion project
"NeedPlanning told us our loft conversion likely didn't need full planning permission. That gave us the confidence to move forward and speak to our local council with the right questions."
200,000+
planning applications submitted in England yearly
60 seconds
to get your answer
100%
based on official UK Government rules
Check Your Project in 60 Seconds
Free to use. No jargon. Get a clear answer on whether your project needs planning permission before you spend a penny.