Rear Extension approval rate in Watford
Watford approved 87.4% of rear extension applications, based on 641 decisions analysed.
Last updated: June 2026
87.4%
rear extension approval rate
641
Rear Extension decisions
560
Approved
81
Refused
90.7%
Watford overall
Rear Extension applications are refused more often than the Watford average (90.7%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Watford
Rear Extension
87.4%
Watford all applications
90.7%
Planning a rear extension in Watford?
87.4% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Watford →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Watford
89.7%
88.7%
96.6%
96.1%
92.2%
88.1%
98.5%
87.9%
100.0%
100.0%
95.3%
89.5%
81.8%
100.0%