Basement approval rate in Hammersmith & Fulham

Hammersmith & Fulham approved 92.3% of basement applications, based on 2,799 decisions analysed.

Last updated: August 2026

92.3%

basement approval rate

2,799

Basement decisions

2,583

Approved

216

Refused

92.2%

Hammersmith & Fulham overall

Basement applications are approved at roughly the same rate as the Hammersmith & Fulham average (92.2%).

How basement compares in Hammersmith & Fulham

Basement (2,799 decided)

92.3%

Hammersmith & Fulham all applications (19,579 decided)

92.2%

Planning a basement in Hammersmith & Fulham?

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Other project types in Hammersmith & Fulham

Rear Extension (5,311 decided)

92.6%

Loft Conversion (2,831 decided)

92.2%

Flat Conversion (2,270 decided)

90.0%

Change of Use (Residential) (1,561 decided)

87.3%

Garage / Parking (1,313 decided)

89.3%

New Build (773 decided)

93.1%

Dormer (668 decided)

91.8%

Extension (General) (572 decided)

93.2%

Outbuilding (570 decided)

92.6%

Side Extension (441 decided)

91.6%

Conservatory (267 decided)

95.1%

Hip-to-Gable Conversion (114 decided)

83.3%

HMO (102 decided)

86.3%

Wraparound Extension (62 decided)

93.5%

Front Extension (30 decided)

90.0%

Annex (29 decided)

96.6%

← All Hammersmith & Fulham planning statistics

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