Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Rear Extension approval rate in Greenwich

Greenwich approved 66.3% of rear extension applications, based on 5,373 decisions analysed.

Last updated: March 2026

66.3%
rear extension approval rate
5,373
Rear Extension decisions
3,561
Approved
1,812
Refused
78.1%
Greenwich overall

Rear Extension applications are refused more often than the Greenwich average (78.1%), suggesting the council scrutinises these projects more closely.

How rear extension compares in Greenwich

Rear Extension (5,373 decided)
66.3%
Greenwich all applications (22,217 decided)
78.1%

Planning a rear extension in Greenwich?

66.3% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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Less than one set of revised drawings.

Other project types in Greenwich

Garage / Parking (2,787 decided)
77.9%
Dormer (2,691 decided)
67.9%
Loft Conversion (2,547 decided)
67.6%
Side Extension (1,988 decided)
59.8%
71.7%
Basement (820 decided)
76.7%
Outbuilding (797 decided)
78.8%
70.5%
Wraparound Extension (659 decided)
58.1%
HMO (612 decided)
64.7%
Extension (General) (587 decided)
78.4%
Flat Conversion (548 decided)
78.6%
Conservatory (459 decided)
76.3%
New Build (430 decided)
85.6%
Front Extension (222 decided)
49.5%
Annex (66 decided)
71.2%
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