Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Other extension approval rate in City of London

City of London approved 99.1% of other extension applications, based on 423 decisions analysed.

Last updated: October 2026

99.1%
other extension approval rate
423
Other extension decisions
419
Approved
4
Refused
98.7%
City of London overall

Other extension applications are approved at roughly the same rate as the City of London average (98.7%).

How other extension applications compare in City of London

Other extension (423 decided)
99.1%
City of London all applications (7,538 decided)
98.7%

Before you apply in City of London

This page shows the council-wide rate. The free check shows decisions near your property.

✓ Your ward's other extension approval rate
✓ Nearest comparable other extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in City of London

Basement (967 decided)
99.0%
98.4%
Garage and parking (353 decided)
98.3%
New build (194 decided)
97.9%
Loft conversion (170 decided)
99.4%
Outbuilding (67 decided)
97.0%
Dormer (52 decided)
100.0%
Rear extension (46 decided)
100.0%
Flat conversion (20 decided)
100.0%
Check planning approval patterns