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Annex approval rate in Belfast City Council

Belfast City Council approved 94.5% of annex applications, based on 55 decisions analysed.

Last updated: June 2026

94.5%
annex approval rate
55
Annex decisions
52
Approved
3
Refused
94.2%
Belfast City Council overall

Annex applications are approved at roughly the same rate as the Belfast City Council average (94.2%).

How annex compares in Belfast City Council

Annex (55 decided)
94.5%
Belfast City Council all applications (13,582 decided)
94.2%

Planning a annex in Belfast City Council?

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Other project types in Belfast City Council

Rear Extension (3,261 decided)
98.8%
Extension (General) (2,030 decided)
97.5%
Garage / Parking (1,874 decided)
95.5%
92.6%
Side Extension (1,426 decided)
98.6%
Dormer (766 decided)
96.9%
New Build (428 decided)
87.1%
Wraparound Extension (386 decided)
98.4%
Outbuilding (332 decided)
98.8%
HMO (219 decided)
86.3%
Loft Conversion (138 decided)
96.4%
Conservatory (122 decided)
99.2%
Front Extension (118 decided)
93.2%
Basement (83 decided)
94.0%
Flat Conversion (25 decided)
96.0%
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