Front Extension approval rate in Harrow
Harrow approved 77.4% of front extension applications, based on 1,890 decisions analysed.
Last updated: June 2026
77.4%
front extension approval rate
1,890
Front Extension decisions
1,462
Approved
428
Refused
75.9%
Harrow overall
Front Extension applications are approved at roughly the same rate as the Harrow average (75.9%).
How front extension compares in Harrow
Front Extension
77.4%
Harrow all applications
75.9%
Planning a front extension in Harrow?
77.4% 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 front extension approval rate
✓ Nearest comparable front extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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✓ Nearest comparable front extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Harrow
75.3%
74.6%
73.6%
76.3%
79.0%
77.1%
81.1%
56.4%
75.5%
63.1%
69.7%
70.1%
42.1%
86.4%
78.7%