Wraparound Extension approval rate in Hillingdon

Hillingdon approved 75.8% of wraparound extension applications, based on 947 decisions analysed.

Last updated: March 2026

75.8%

wraparound extension approval rate

947

Wraparound Extension decisions

718

Approved

229

Refused

78.9%

Hillingdon overall

Wraparound Extension applications are refused more often than the Hillingdon average (78.9%), suggesting the council scrutinises these projects more closely.

How wraparound extension compares in Hillingdon

Wraparound Extension (947 decided)

75.8%

Hillingdon all applications (30,009 decided)

78.9%

Planning a wraparound extension in Hillingdon?

75.8% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's wraparound extension approval rate
✓ Nearest comparable wraparound extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Get Hillingdon Pro Report — £79

Less than one set of revised drawings.