Side Extension approval rate in Hammersmith & Fulham
Hammersmith & Fulham approved 91.7% of side extension applications, based on 447 decisions analysed.
Last updated: September 2026
91.7%
side extension approval rate
447
Side Extension decisions
410
Approved
37
Refused
91.5%
Hammersmith & Fulham overall
Side Extension applications are approved at roughly the same rate as the Hammersmith & Fulham average (91.5%).
How side extension compares in Hammersmith & Fulham
Side Extension
91.7%
Hammersmith & Fulham all applications
91.5%
Planning a side extension in Hammersmith & Fulham?
91.7% get approved, but the odds vary by street. Your Full Planning Analysis 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
✓ PDF report for your architect
Free planning check for Hammersmith & Fulham →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Hammersmith & Fulham and any other published UK council — see the data services →
Other project types in Hammersmith & Fulham
92.7%
92.3%
92.3%
90.0%
89.3%
93.2%
91.8%
93.2%
92.7%
95.2%
83.5%
86.3%
93.5%
90.0%
96.6%