Annex approval rate in Southwark
Southwark approved 95.1% of annex applications, based on 122 decisions analysed.
Last updated: September 2026
95.1%
annex approval rate
122
Annex decisions
116
Approved
6
Refused
93.0%
Southwark overall
Annex applications are approved more often than the Southwark average (93.0%), suggesting the council is relatively receptive to these projects.
How annex compares in Southwark
Annex
95.1%
Southwark all applications
93.0%
Planning a annex in Southwark?
95.1% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Southwark →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Southwark and any other published UK council — see the data services →
Other project types in Southwark
96.1%
92.3%
94.4%
94.1%
93.2%
88.8%
94.4%
95.4%
92.6%
91.0%
94.3%
92.7%
94.0%
85.1%
93.2%