Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Thurrock

Thurrock approved 76.9% of side extension applications, based on 1,553 decisions analysed.

Last updated: August 2026

76.9%
side extension approval rate
1,553
Side Extension decisions
1,194
Approved
359
Refused
81.0%
Thurrock overall

Side Extension applications are refused more often than the Thurrock average (81.0%), suggesting the council scrutinises these projects more closely.

How side extension compares in Thurrock

Side Extension (1,553 decided)
76.9%
Thurrock all applications (11,188 decided)
81.0%

Planning a side extension in Thurrock?

76.9% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
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Other project types in Thurrock

Rear Extension (3,678 decided)
78.9%
Garage / Parking (2,079 decided)
81.9%
Dormer (1,418 decided)
77.1%
Loft Conversion (1,333 decided)
78.1%
Outbuilding (728 decided)
78.4%
74.1%
80.4%
New Build (419 decided)
74.9%
Front Extension (410 decided)
77.1%
Conservatory (314 decided)
86.0%
Wraparound Extension (312 decided)
74.0%
Extension (General) (305 decided)
85.2%
Annex (186 decided)
76.9%
HMO (75 decided)
72.0%
Flat Conversion (72 decided)
66.7%
Basement (34 decided)
76.5%
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