Rear Extension approval rate in Northumberland
Northumberland approved 87.5% of rear extension applications, based on 40 decisions analysed.
Last updated: August 2026
87.5%
rear extension approval rate
40
Rear Extension decisions
35
Approved
5
Refused
91.2%
Northumberland overall
Rear Extension applications are refused more often than the Northumberland average (91.2%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Northumberland
Rear Extension
87.5%
Northumberland all applications
91.2%
Planning a rear extension in Northumberland?
87.5% 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 Northumberland →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Northumberland
84.7%
92.1%
94.4%
94.4%
92.3%
100.0%