Planning Permission Guides for Windsor and Maidenhead
Free guides for 15 types of home improvement project. Learn about permitted development rules, typical costs, and which professionals you need — all based on real GPDO regulations.
Ready to check your property?
Rear extension
Class A£23,000–£45,000
Loft conversion
Class B£31,000–£58,000
Side extension
Class A£27,000–£50,000
Wraparound extension
Class A£40,000–£80,000
Dormer
Class B
Outbuilding / garden building
Class E£9,000–£28,000
Porch
Class D£4,500–£13,500
Garage
Class E£13,000–£31,000
Roof alteration
Class C£4,500–£13,500
Fence, wall or gate
Class A (Part 2)£950–£4,700
Basement
Planning required£88,000–£230,000
Windows & doors
Usually permitted£2,900–£13,500
Driveway
May need permission
Solar panels
Usually permitted£4,500–£11,000
Satellite dish
Usually permitted