Data-backed planning intelligence · 3,810,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Rear Extension approval rate in Basildon

Basildon approved 89.9% of rear extension applications, based on 287 decisions analysed.

Last updated: September 2026

89.9%
rear extension approval rate
287
Rear Extension decisions
258
Approved
29
Refused
89.8%
Basildon overall

Rear Extension applications are approved at roughly the same rate as the Basildon average (89.8%).

How rear extension compares in Basildon

Rear Extension (287 decided)
89.9%
Basildon all applications (1,690 decided)
89.8%

Planning a rear extension in Basildon?

89.9% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Basildon and any other published UK council — see the data services →

Other project types in Basildon

Garage / Parking (285 decided)
86.0%
Dormer (142 decided)
83.1%
Side Extension (141 decided)
88.7%
Extension (General) (99 decided)
89.9%
Outbuilding (96 decided)
78.1%
73.1%
Loft Conversion (72 decided)
84.7%
New Build (70 decided)
84.3%
Front Extension (69 decided)
91.3%
Conservatory (36 decided)
97.2%
80.8%
95.8%
HMO (20 decided)
75.0%
Annex (20 decided)
75.0%
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