Side Extension approval rate in Waltham Forest

Waltham Forest approved 72.8% of side extension applications, based on 1,470 decisions analysed.

Last updated: March 2026

72.8%

side extension approval rate

1,470

Side Extension decisions

1,070

Approved

400

Refused

79.1%

Waltham Forest overall

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

How side extension compares in Waltham Forest

Side Extension (1,470 decided)

72.8%

Waltham Forest all applications (21,278 decided)

79.1%

Planning a side extension in Waltham Forest?

72.8% get approved — but the odds vary by street. Your Pro Report 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

Get Waltham Forest Pro Report — £79

Less than one set of revised drawings.