Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Rear Extension approval rate in Waltham Forest

Waltham Forest approved 75.2% of rear extension applications, based on 9,045 decisions analysed.

Last updated: August 2026

75.2%
rear extension approval rate
9,045
Rear Extension decisions
6,806
Approved
2,239
Refused
76.2%
Waltham Forest overall

Rear Extension applications are approved at roughly the same rate as the Waltham Forest average (76.2%).

How rear extension compares in Waltham Forest

Rear Extension (9,045 decided)
75.2%
Waltham Forest all applications (21,464 decided)
76.2%

Planning a rear extension in Waltham Forest?

75.2% 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 rear extension approval rate
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Other project types in Waltham Forest

Dormer (4,816 decided)
79.7%
Loft Conversion (4,813 decided)
78.1%
Side Extension (1,399 decided)
71.5%
Garage / Parking (1,044 decided)
66.0%
55.4%
79.5%
Wraparound Extension (683 decided)
81.4%
Outbuilding (656 decided)
80.3%
Flat Conversion (605 decided)
50.9%
HMO (432 decided)
23.1%
Extension (General) (323 decided)
76.8%
Basement (187 decided)
60.4%
Front Extension (179 decided)
63.1%
New Build (129 decided)
69.0%
Conservatory (126 decided)
77.0%
Annex (32 decided)
34.4%
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