Rear Extension approval rate in Harlow
Harlow approved 98.7% of rear extension applications, based on 453 decisions analysed.
Last updated: August 2026
98.7%
rear extension approval rate
453
Rear Extension decisions
447
Approved
6
Refused
97.9%
Harlow overall
Rear Extension applications are approved at roughly the same rate as the Harlow average (97.9%).
How rear extension compares in Harlow
Rear Extension
98.7%
Harlow all applications
97.9%
Planning a rear extension in Harlow?
98.7% 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 Harlow →
✓ 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%
99.0%
100.0%
100.0%
100.0%
100.0%
100.0%
95.5%
100.0%