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

Rear Extension approval rate in Waltham Forest

Waltham Forest approved 75.3% of rear extension applications, based on 7,930 decisions analysed.

Last updated: March 2026

75.3%
rear extension approval rate
7,930
Rear Extension decisions
5,971
Approved
1,959
Refused
79.1%
Waltham Forest overall

Rear Extension applications are refused more often than the Waltham Forest average (79.1%), suggesting the council scrutinises these projects more closely.

How rear extension compares in Waltham Forest

Rear Extension (7,930 decided)
75.3%
Waltham Forest all applications (21,278 decided)
79.1%

Planning a rear extension in Waltham Forest?

75.3% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

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Less than one set of revised drawings.

Other project types in Waltham Forest

Dormer (4,549 decided)
80.3%
Loft Conversion (4,503 decided)
78.2%
Flat Conversion (1,820 decided)
81.4%
Garage / Parking (1,535 decided)
73.2%
Side Extension (1,470 decided)
72.8%
68.0%
Outbuilding (656 decided)
81.2%
79.1%
Wraparound Extension (592 decided)
82.4%
HMO (432 decided)
28.5%
Extension (General) (405 decided)
84.2%
New Build (403 decided)
95.0%
Basement (268 decided)
70.5%
Front Extension (162 decided)
60.5%
Conservatory (104 decided)
79.8%
Annex (28 decided)
46.4%
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