Planning Permission Guides for Calderdale
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.
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Rear extension
Class A£20,000–£40,000
Loft conversion
Class B£28,000–£50,000
Side extension
Class A£22,000–£45,000
Wraparound extension
Class A£35,000–£70,000
Dormer
Class B
Outbuilding / garden building
Class E£8,000–£25,000
Porch
Class D£4,000–£12,000
Garage
Class E£12,000–£28,000
Roof alteration
Class C£4,000–£12,000
Fence, wall or gate
Class A (Part 2)£800–£4,000
Basement
Planning required£80,000–£200,000
Windows & doors
Usually permitted£2,500–£12,000
Driveway
May need permission
Solar panels
Usually permitted£4,500–£10,000
Satellite dish
Usually permitted