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

Outbuilding approval rate in Merthyr Tydfil

Merthyr Tydfil approved 86.0% of outbuilding applications, based on 43 decisions analysed.

Last updated: August 2026

86.0%
outbuilding approval rate
43
Outbuilding decisions
37
Approved
6
Refused
90.9%
Merthyr Tydfil overall

Outbuilding applications are refused more often than the Merthyr Tydfil average (90.9%), suggesting the council scrutinises these projects more closely.

How outbuilding compares in Merthyr Tydfil

Outbuilding (43 decided)
86.0%
Merthyr Tydfil all applications (1,203 decided)
90.9%

Planning a outbuilding in Merthyr Tydfil?

86.0% 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Merthyr Tydfil →

Other project types in Merthyr Tydfil

Garage / Parking (178 decided)
92.1%
Rear Extension (149 decided)
98.7%
80.3%
Extension (General) (91 decided)
89.0%
Side Extension (59 decided)
88.1%
New Build (50 decided)
90.0%
Dormer (37 decided)
81.1%
HMO (19 decided)
21.1%
Annex (18 decided)
94.4%
Front Extension (16 decided)
81.2%
Conservatory (11 decided)
90.9%
Check planning approval patterns, Free