Front Extension approval rate in Harrow
Harrow approved 77.1% of front extension applications, based on 1,029 decisions analysed.
Last updated: March 2026
77.1%
front extension approval rate
1,029
Front Extension decisions
793
Approved
236
Refused
80.6%
Harrow overall
Front Extension applications are refused more often than the Harrow average (80.6%), suggesting the council scrutinises these projects more closely.
How front extension compares in Harrow
Front Extension
77.1%
Harrow all applications
80.6%
Planning a front extension in Harrow?
77.1% get approved — but the odds vary by street. Your Pro Report 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
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✓ Nearest comparable front extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Harrow
78.2%
81.8%
77.3%
74.7%
79.1%
92.2%
81.4%
81.4%
85.0%
82.5%
76.8%
79.1%
80.7%
42.6%
75.0%