Rear Extension approval rate in Darlington

Darlington approved 95.5% of rear extension applications, based on 537 decisions analysed.

Last updated: June 2026

95.5%

rear extension approval rate

537

Rear Extension decisions

513

Approved

Refused

92.5%

Darlington overall

Rear Extension applications are approved more often than the Darlington average (92.5%), suggesting the council is relatively receptive to these projects.

How rear extension compares in Darlington

Rear Extension (537 decided)

95.5%

Darlington all applications (3,194 decided)

92.5%

Planning a rear extension in Darlington?

95.5% 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 Darlington →