Basement approval rate in Tower Hamlets

Tower Hamlets approved 88.3% of basement applications, based on 1,709 decisions analysed.

Last updated: August 2026

88.3%

basement approval rate

1,709

Basement decisions

1,509

Approved

200

Refused

88.9%

Tower Hamlets overall

Basement applications are approved at roughly the same rate as the Tower Hamlets average (88.9%).

How basement compares in Tower Hamlets

Basement (1,709 decided)

88.3%

Tower Hamlets all applications (25,697 decided)

88.9%

Planning a basement in Tower Hamlets?

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Other project types in Tower Hamlets

Change of Use (Residential) (2,169 decided)

80.2%

Rear Extension (1,894 decided)

80.8%

Garage / Parking (1,547 decided)

92.2%

Loft Conversion (1,284 decided)

75.1%

Extension (General) (1,153 decided)

84.3%

New Build (809 decided)

91.7%

Dormer (520 decided)

78.1%

Side Extension (416 decided)

83.4%

Flat Conversion (393 decided)

83.7%

Outbuilding (384 decided)

83.1%

HMO (243 decided)

50.2%

Conservatory (126 decided)

88.9%

Front Extension (75 decided)

76.0%

Wraparound Extension (68 decided)

80.9%

Annex (24 decided)

75.0%

← All Tower Hamlets planning statistics

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