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

Extension (General) approval rate in Portsmouth

Portsmouth approved 85.9% of extension (general) applications, based on 313 decisions analysed.

Last updated: September 2026

85.9%
extension (general) approval rate
313
Extension (General) decisions
269
Approved
44
Refused
86.5%
Portsmouth overall

Extension (General) applications are approved at roughly the same rate as the Portsmouth average (86.5%).

How extension (general) compares in Portsmouth

Extension (General) (313 decided)
85.9%
Portsmouth all applications (6,336 decided)
86.5%

Planning a extension (general) in Portsmouth?

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Other project types in Portsmouth

Rear Extension (2,254 decided)
89.2%
84.7%
HMO (1,003 decided)
85.5%
Dormer (756 decided)
78.7%
Garage / Parking (657 decided)
84.6%
Side Extension (571 decided)
87.0%
Outbuilding (230 decided)
92.2%
Conservatory (219 decided)
93.2%
Loft Conversion (200 decided)
75.0%
Flat Conversion (147 decided)
68.7%
Front Extension (109 decided)
85.3%
79.2%
Basement (87 decided)
87.4%
91.3%
Annex (36 decided)
75.0%
New Build (27 decided)
70.4%
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