Rear Extension approval rate in Sunderland
Sunderland approved 95.4% of rear extension applications, based on 1,075 decisions analysed.
Last updated: September 2026
95.4%
rear extension approval rate
1,075
Rear Extension decisions
1,026
Approved
49
Refused
91.4%
Sunderland overall
Rear Extension applications are approved more often than the Sunderland average (91.4%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Sunderland
Rear Extension
95.4%
Sunderland all applications
91.4%
Planning a rear extension in Sunderland?
95.4% 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 Sunderland →
✓ 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 Sunderland and any other published UK council — see the data services →
Other project types in Sunderland
94.7%
92.2%
94.7%
90.3%
79.9%
89.3%
97.4%
90.5%
97.7%
85.7%
51.9%
90.9%
83.3%
86.4%