Rear Extension approval rate in Harlow
Harlow approved 98.8% of rear extension applications, based on 423 decisions analysed.
Last updated: April 2026
98.8%
rear extension approval rate
423
Rear Extension decisions
418
Approved
5
Refused
98.0%
Harlow overall
Rear Extension applications are approved at roughly the same rate as the Harlow average (98.0%).
How rear extension compares in Harlow
Rear Extension
98.8%
Harlow all applications
98.0%
Planning a rear extension in Harlow?
98.8% get approved — but the odds vary by street. Your Pro Report 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
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Harlow
99.3%
100.0%
100.0%
99.0%
99.0%
98.9%
100.0%
100.0%
100.0%
100.0%
95.2%
100.0%
100.0%