Planning Permission Guides for Havering
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£25,000–£50,000
Loft conversion
Class B£35,000–£65,000
Side extension
Class A£30,000–£55,000
Wraparound extension
Class A£45,000–£90,000
Dormer
Class B
Outbuilding / garden building
Class E£10,000–£30,000
Porch
Class D£5,000–£15,000
Garage
Class E£15,000–£35,000
Roof alteration
Class C£5,000–£15,000
Fence, wall or gate
Class A (Part 2)£1,000–£5,000
Basement
Planning required£100,000–£250,000
Windows & doors
Usually permitted£3,000–£15,000
Driveway
May need permission
Solar panels
Usually permitted£5,000–£12,000
Satellite dish
Usually permitted