UK Planning Fee Calculator
Work out how much your planning application will cost. Based on current UK government fees (April 2026). Free, no signup, instant results.
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Planning permission guides
Clear, researched answers to the most common planning questions.
Planning permission basics
What planning permission is, when you need it, how long it lasts, and special requirements.
Planning costs & fees
How much planning applications cost, what affects the price, and hidden fees to watch for.
Permitted development
Build without planning permission. Extensions, loft conversions, outbuildings, and changes of use.
Retrospective planning
Applying for permission after building, enforcement, time limits, and lawful development certificates.
Building regulations
Building regulations vs planning permission. What each controls and when you need both.