Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Hammersmith & Fulham

Hammersmith & Fulham approved 91.6% of side extension applications, based on 441 decisions analysed.

Last updated: August 2026

91.6%
side extension approval rate
441
Side Extension decisions
404
Approved
37
Refused
92.2%
Hammersmith & Fulham overall

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

How side extension compares in Hammersmith & Fulham

Side Extension (441 decided)
91.6%
Hammersmith & Fulham all applications (19,579 decided)
92.2%

Planning a side extension in Hammersmith & Fulham?

91.6% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Hammersmith & Fulham

Rear Extension (5,311 decided)
92.6%
Loft Conversion (2,831 decided)
92.2%
Basement (2,799 decided)
92.3%
Flat Conversion (2,270 decided)
90.0%
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%
Conservatory (267 decided)
95.1%
83.3%
HMO (102 decided)
86.3%
93.5%
Front Extension (30 decided)
90.0%
Annex (29 decided)
96.6%
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