Side Extension approval rate in Hammersmith & Fulham
Hammersmith & Fulham approved 90.7% of side extension applications, based on 419 decisions analysed.
Last updated: March 2026
90.7%
side extension approval rate
419
Side Extension decisions
380
Approved
39
Refused
92.1%
Hammersmith & Fulham overall
Side Extension applications are approved at roughly the same rate as the Hammersmith & Fulham average (92.1%).
How side extension compares in Hammersmith & Fulham
Side Extension
90.7%
Hammersmith & Fulham all applications
92.1%
Planning a side extension in Hammersmith & Fulham?
90.7% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
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Get Hammersmith & Fulham Pro Report — £79
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Hammersmith & Fulham
92.6%
92.1%
92.2%
89.9%
89.3%
93.0%
91.2%
92.5%
93.0%
95.0%
83.2%
86.1%
92.9%
90.3%
96.3%