Front Extension approval rate in Hillingdon

Hillingdon approved 65.6% of front extension applications, based on 1,069 decisions analysed.

Last updated: June 2026

65.6%

front extension approval rate

1,069

Front Extension decisions

701

Approved

368

Refused

79.0%

Hillingdon overall

Front Extension applications are refused more often than the Hillingdon average (79.0%), suggesting the council scrutinises these projects more closely.

How front extension compares in Hillingdon

Front Extension (1,069 decided)

65.6%

Hillingdon all applications (30,584 decided)

79.0%

Planning a front extension in Hillingdon?

65.6% 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 front extension approval rate
✓ Nearest comparable front extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Free planning check for Hillingdon →