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Outbuilding approval rate in Rhondda Cynon Taf

Rhondda Cynon Taf approved 88.1% of outbuilding applications, based on 159 decisions analysed.

Last updated: August 2026

88.1%
outbuilding approval rate
159
Outbuilding decisions
140
Approved
19
Refused
92.9%
Rhondda Cynon Taf overall

Outbuilding applications are refused more often than the Rhondda Cynon Taf average (92.9%), suggesting the council scrutinises these projects more closely.

How outbuilding compares in Rhondda Cynon Taf

Outbuilding (159 decided)
88.1%
Rhondda Cynon Taf all applications (5,234 decided)
92.9%

Planning a outbuilding in Rhondda Cynon Taf?

88.1% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Rhondda Cynon Taf

Garage / Parking (771 decided)
90.4%
Extension (General) (641 decided)
95.6%
Rear Extension (594 decided)
95.6%
84.1%
Side Extension (262 decided)
97.3%
Dormer (193 decided)
93.8%
Loft Conversion (117 decided)
93.2%
New Build (70 decided)
74.3%
Annex (55 decided)
90.9%
Conservatory (53 decided)
92.5%
HMO (52 decided)
46.2%
Flat Conversion (41 decided)
87.8%
Basement (39 decided)
79.5%
100.0%
Front Extension (30 decided)
96.7%
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