Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Annex approval rate in Swindon

Swindon approved 84.0% of annex applications, based on 25 decisions analysed.

Last updated: October 2026

84.0%
annex approval rate
25
Annex decisions
21
Approved
4
Refused
91.6%
Swindon overall

This rate rests on 25 decisions, a small sample, so treat it with caution.

How annex applications compare in Swindon

Annex (25 decided)
84.0%
Swindon all applications (2,259 decided)
91.6%

Before you apply in Swindon

This page shows the council-wide rate. The free check shows decisions near your property.

✓ Your ward's annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in Swindon

Rear extension (1,285 decided)
93.5%
Side extension (538 decided)
93.1%
Garage and parking (456 decided)
91.7%
New build (282 decided)
87.6%
Conservatory (238 decided)
95.8%
Dormer (201 decided)
89.1%
85.7%
Other extension (141 decided)
92.9%
Front extension (130 decided)
90.8%
Outbuilding (94 decided)
93.6%
97.3%
Loft conversion (52 decided)
92.3%
HMO (17 decided)
88.2%
90.0%
Check planning approval patterns