Rear Extension approval rate in Southwark
Southwark approved 92.1% of rear extension applications, based on 3,757 decisions analysed.
Last updated: March 2026
92.1%
rear extension approval rate
3,757
Rear Extension decisions
3,462
Approved
295
Refused
93.3%
Southwark overall
Rear Extension applications are approved at roughly the same rate as the Southwark average (93.3%).
How rear extension compares in Southwark
Rear Extension
92.1%
Southwark all applications
93.3%
Planning a rear extension in Southwark?
92.1% 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 Southwark
95.9%
94.0%
94.0%
93.1%
88.4%
94.2%
95.5%
92.9%
91.1%
93.7%
92.2%
94.7%
84.1%
93.9%
92.7%