Rear Extension approval rate in Northumberland
Northumberland approved 91.0% of rear extension applications, based on 67 decisions analysed.
Last updated: September 2026
91.0%
rear extension approval rate
67
Rear Extension decisions
61
Approved
6
Refused
90.6%
Northumberland overall
Rear Extension applications are approved at roughly the same rate as the Northumberland average (90.6%).
How rear extension compares in Northumberland
Rear Extension
91.0%
Northumberland all applications
90.6%
Planning a rear extension in Northumberland?
91.0% 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 Northumberland →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Northumberland and any other published UK council — see the data services →
Other project types in Northumberland
87.3%
91.0%
97.0%
87.1%
95.0%
100.0%
81.2%