Rear Extension approval rate in Harlow
Harlow approved 98.6% of rear extension applications, based on 442 decisions analysed.
Last updated: June 2026
98.6%
rear extension approval rate
442
Rear Extension decisions
436
Approved
6
Refused
97.8%
Harlow overall
Rear Extension applications are approved at roughly the same rate as the Harlow average (97.8%).
How rear extension compares in Harlow
Rear Extension
98.6%
Harlow all applications
97.8%
Planning a rear extension in Harlow?
98.6% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Harlow
99.1%
100.0%
100.0%
99.1%
99.0%
98.9%
100.0%
100.0%
100.0%
100.0%
100.0%
95.2%
100.0%