Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Outbuilding approval rate in Caerphilly

Caerphilly approved 85.1% of outbuilding applications, based on 67 decisions analysed.

Last updated: March 2026

85.1%
outbuilding approval rate
67
Outbuilding decisions
57
Approved
10
Refused
83.2%
Caerphilly overall

Outbuilding applications are approved at roughly the same rate as the Caerphilly average (83.2%).

How outbuilding compares in Caerphilly

Outbuilding (67 decided)
85.1%
Caerphilly all applications (1,944 decided)
83.2%

Planning a outbuilding in Caerphilly?

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Less than one set of revised drawings.

Other project types in Caerphilly

Rear Extension (439 decided)
85.6%
Garage / Parking (403 decided)
82.9%
Side Extension (257 decided)
77.8%
Extension (General) (225 decided)
80.9%
81.1%
Dormer (103 decided)
78.6%
Conservatory (62 decided)
90.3%
Loft Conversion (49 decided)
83.7%
73.7%
Front Extension (33 decided)
57.6%
Annex (26 decided)
76.9%
New Build (23 decided)
87.0%
Basement (12 decided)
83.3%
Flat Conversion (12 decided)
83.3%
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