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

Annex approval rate in Gravesham

Gravesham approved 63.0% of annex applications, based on 27 decisions analysed.

Last updated: September 2026

63.0%
annex approval rate
27
Annex decisions
17
Approved
10
Refused
75.0%
Gravesham overall

Annex applications are refused more often than the Gravesham average (75.0%), suggesting the council scrutinises these projects more closely.

How annex compares in Gravesham

Annex (27 decided)
63.0%
Gravesham all applications (835 decided)
75.0%

Planning a annex in Gravesham?

63.0% 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
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Gravesham and any other published UK council — see the data services →

Other project types in Gravesham

Rear Extension (415 decided)
75.7%
Garage / Parking (345 decided)
75.7%
Side Extension (187 decided)
70.6%
Dormer (148 decided)
74.3%
Outbuilding (110 decided)
77.3%
71.7%
Extension (General) (84 decided)
79.8%
New Build (69 decided)
72.5%
Conservatory (57 decided)
87.7%
Front Extension (57 decided)
73.7%
Loft Conversion (54 decided)
72.2%
76.7%
HMO (23 decided)
56.5%
68.2%
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