Side Extension approval rate in Watford
Watford approved 96.6% of side extension applications, based on 208 decisions analysed.
Last updated: June 2026
96.6%
side extension approval rate
208
Side Extension decisions
201
Approved
7
Refused
90.7%
Watford overall
Side Extension applications are approved more often than the Watford average (90.7%), suggesting the council is relatively receptive to these projects.
How side extension compares in Watford
Side Extension
96.6%
Watford all applications
90.7%
Planning a side extension in Watford?
96.6% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Watford →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Watford
87.4%
89.7%
88.7%
96.1%
92.2%
88.1%
98.5%
87.9%
100.0%
100.0%
95.3%
89.5%
81.8%
100.0%