Side Extension approval rate in Waltham Forest
Waltham Forest approved 71.3% of side extension applications, based on 1,414 decisions analysed.
Last updated: September 2026
71.3%
side extension approval rate
1,414
Side Extension decisions
1,008
Approved
406
Refused
73.7%
Waltham Forest overall
Side Extension applications are refused more often than the Waltham Forest average (73.7%), suggesting the council scrutinises these projects more closely.
How side extension compares in Waltham Forest
Side Extension
71.3%
Waltham Forest all applications
73.7%
Planning a side extension in Waltham Forest?
71.3% 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 →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Waltham Forest and any other published UK council — see the data services →
Other project types in Waltham Forest
75.3%
79.8%
78.2%
66.1%
79.7%
81.2%
80.2%
51.1%
23.4%
76.9%
60.4%
63.7%
69.0%
77.2%
34.4%