Flat Conversion approval rate in Hounslow

Hounslow approved 72.9% of flat conversion applications, based on 1,402 decisions analysed.

Last updated: March 2026

72.9%

flat conversion approval rate

1,402

Flat Conversion decisions

1,022

Approved

380

Refused

87.7%

Hounslow overall

Flat Conversion applications are refused more often than the Hounslow average (87.7%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Hounslow

Flat Conversion (1,402 decided)

72.9%

Hounslow all applications (72,195 decided)

87.7%

Planning a flat conversion in Hounslow?

72.9% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

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

Get Hounslow Pro Report — £79

Less than one set of revised drawings.