Annex approval rate in Spelthorne
Spelthorne approved 75.0% of annex applications, based on 12 decisions analysed.
Last updated: August 2026
75.0%
annex approval rate
12
Annex decisions
9
Approved
3
Refused
86.3%
Spelthorne overall
Annex applications are refused more often than the Spelthorne average (86.3%), suggesting the council scrutinises these projects more closely.
How annex compares in Spelthorne
Annex
75.0%
Spelthorne all applications
86.3%
Planning a annex in Spelthorne?
75.0% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Spelthorne →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Spelthorne
86.0%
80.2%
85.1%
75.3%
74.1%
89.2%
90.0%
74.2%
87.1%
87.5%
78.8%
76.5%
42.6%
31.2%