Basement approval rate in Hammersmith & Fulham

Hammersmith & Fulham approved 92.1% of basement applications, based on 2,808 decisions analysed.

Last updated: March 2026

92.1%

basement approval rate

2,808

Basement decisions

2,587

Approved

221

Refused

92.1%

Hammersmith & Fulham overall

Basement applications are approved at roughly the same rate as the Hammersmith & Fulham average (92.1%).

How basement compares in Hammersmith & Fulham

Basement (2,808 decided)

92.1%

Hammersmith & Fulham all applications (19,357 decided)

92.1%

Planning a basement in Hammersmith & Fulham?

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Other project types in Hammersmith & Fulham

Rear Extension (5,296 decided)

92.6%

Loft Conversion (2,790 decided)

92.2%

Flat Conversion (2,279 decided)

89.9%

Change of Use (Residential) (1,557 decided)

87.1%

Garage / Parking (1,318 decided)

89.3%

New Build (775 decided)

93.0%

Dormer (647 decided)

91.2%

Outbuilding (563 decided)

92.5%

Extension (General) (559 decided)

93.0%

Side Extension (419 decided)

90.7%

Conservatory (262 decided)

95.0%

Hip-to-Gable Conversion (113 decided)

83.2%

HMO (101 decided)

86.1%

Wraparound Extension (56 decided)

92.9%

Front Extension (31 decided)

90.3%

Annex (27 decided)

96.3%

← All Hammersmith & Fulham planning statistics

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