Outbuilding approval rate in Lisburn and Castlereagh City Council
Lisburn and Castlereagh City Council approved 89.6% of outbuilding applications, based on 335 decisions analysed.
Last updated: June 2026
89.6%
outbuilding approval rate
335
Outbuilding decisions
300
Approved
35
Refused
93.6%
Lisburn and Castlereagh City Council overall
Outbuilding applications are refused more often than the Lisburn and Castlereagh City Council average (93.6%), suggesting the council scrutinises these projects more closely.
How outbuilding compares in Lisburn and Castlereagh City Council
Outbuilding
89.6%
Lisburn and Castlereagh City Council all applications
93.6%
Planning a outbuilding in Lisburn and Castlereagh City Council?
89.6% 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 Lisburn and Castlereagh City Council →
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Lisburn and Castlereagh City Council
92.7%
98.9%
99.5%
89.1%
100.0%
99.5%
98.6%
100.0%
96.4%
100.0%
100.0%
88.9%