Basement approval rate in Belfast City Council

Belfast City Council approved 94.0% of basement applications, based on 83 decisions analysed.

Last updated: June 2026

94.0%

basement approval rate

Basement decisions

Approved

Refused

94.2%

Belfast City Council overall

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

How basement compares in Belfast City Council

Basement (83 decided)

94.0%

Belfast City Council all applications (13,582 decided)

94.2%

Planning a basement 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%

Change of Use (Residential) (1,551 decided)

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%

Annex (55 decided)

94.5%

Flat Conversion (25 decided)

96.0%

← All Belfast City Council planning statistics

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