Front Extension approval rate in Hillingdon

Hillingdon approved 66.2% of front extension applications, based on 1,075 decisions analysed.

Last updated: August 2026

66.2%

front extension approval rate

1,075

Front Extension decisions

712

Approved

363

Refused

80.0%

Hillingdon overall

Front Extension applications are refused more often than the Hillingdon average (80.0%), suggesting the council scrutinises these projects more closely.

How front extension compares in Hillingdon

Front Extension (1,075 decided)

66.2%

Hillingdon all applications (30,835 decided)

80.0%

Planning a front extension in Hillingdon?

66.2% 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 →