Side Extension approval rate in Waltham Forest

Waltham Forest approved 71.5% of side extension applications, based on 1,386 decisions analysed.

Last updated: June 2026

71.5%

side extension approval rate

1,386

Side Extension decisions

991

Approved

395

Refused

76.2%

Waltham Forest overall

Side Extension applications are refused more often than the Waltham Forest average (76.2%), suggesting the council scrutinises these projects more closely.

How side extension compares in Waltham Forest

Side Extension (1,386 decided)

71.5%

Waltham Forest all applications (21,093 decided)

76.2%

Planning a side extension in Waltham Forest?

71.5% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Free planning check for Waltham Forest →