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Side Extension approval rate in Brecon Beacons National Park

Brecon Beacons National Park approved 91.3% of side extension applications, based on 277 decisions analysed.

Last updated: June 2026

91.3%
side extension approval rate
277
Side Extension decisions
253
Approved
24
Refused
90.4%
Brecon Beacons National Park overall

Side Extension applications are approved at roughly the same rate as the Brecon Beacons National Park average (90.4%).

How side extension compares in Brecon Beacons National Park

Side Extension (277 decided)
91.3%
Brecon Beacons National Park all applications (13,083 decided)
90.4%

Planning a side extension in Brecon Beacons National Park?

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Other project types in Brecon Beacons National Park

Extension (General) (2,290 decided)
92.2%
Garage / Parking (1,512 decided)
88.0%
Outbuilding (1,082 decided)
90.2%
87.5%
New Build (530 decided)
80.9%
Conservatory (514 decided)
94.4%
Rear Extension (403 decided)
90.6%
Dormer (237 decided)
88.6%
Annex (204 decided)
84.8%
Loft Conversion (80 decided)
88.8%
Basement (58 decided)
93.1%
Front Extension (25 decided)
92.0%
Flat Conversion (25 decided)
84.0%
75.0%
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