Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland and Wales

Flat Conversion approval rate in Watford

Watford approved 81.8% of flat conversion applications, based on 11 decisions analysed.

Last updated: June 2026

81.8%
flat conversion approval rate
11
Flat Conversion decisions
9
Approved
2
Refused
90.7%
Watford overall

Flat Conversion applications are refused more often than the Watford average (90.7%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Watford

Flat Conversion (11 decided)
81.8%
Watford all applications (1,928 decided)
90.7%

Planning a flat conversion in Watford?

81.8% 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 flat conversion approval rate
✓ Nearest comparable flat conversion decisions
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Other project types in Watford

Rear Extension (641 decided)
87.4%
Dormer (292 decided)
89.7%
Loft Conversion (256 decided)
88.7%
Side Extension (208 decided)
96.6%
Garage / Parking (181 decided)
96.1%
Outbuilding (103 decided)
92.2%
88.1%
93.5%
Front Extension (68 decided)
98.5%
Extension (General) (66 decided)
87.9%
New Build (56 decided)
100.0%
100.0%
Conservatory (43 decided)
95.3%
HMO (38 decided)
89.5%
Annex (11 decided)
100.0%
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