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

Extension (General) approval rate in Bromley

Bromley approved 78.4% of extension (general) applications, based on 1,451 decisions analysed.

Last updated: March 2026

78.4%
extension (general) approval rate
1,451
Extension (General) decisions
1,137
Approved
314
Refused
80.9%
Bromley overall

Extension (General) applications are refused more often than the Bromley average (80.9%), suggesting the council scrutinises these projects more closely.

How extension (general) compares in Bromley

Extension (General) (1,451 decided)
78.4%
Bromley all applications (36,212 decided)
80.9%

Planning a extension (general) in Bromley?

78.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Bromley Pro Report — £79

Less than one set of revised drawings.

Other project types in Bromley

Rear Extension (10,946 decided)
82.2%
Garage / Parking (8,143 decided)
79.1%
Side Extension (5,503 decided)
78.1%
Dormer (5,444 decided)
79.0%
Loft Conversion (4,048 decided)
79.6%
New Build (1,744 decided)
73.0%
74.4%
Outbuilding (1,698 decided)
77.0%
Hip-to-Gable Conversion (1,648 decided)
80.6%
Front Extension (1,575 decided)
77.5%
Conservatory (1,305 decided)
84.3%
Wraparound Extension (1,270 decided)
79.1%
Basement (734 decided)
80.4%
Flat Conversion (255 decided)
74.1%
Annex (224 decided)
62.1%
HMO (174 decided)
58.0%
Check planning approval patterns — Free