Rear Extension approval rate in Lisburn and Castlereagh City Council
Lisburn and Castlereagh City Council approved 99.5% of rear extension applications, based on 624 decisions analysed.
Last updated: June 2026
99.5%
rear extension approval rate
624
Rear Extension decisions
621
Approved
3
Refused
93.6%
Lisburn and Castlereagh City Council overall
Rear Extension applications are approved more often than the Lisburn and Castlereagh City Council average (93.6%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Lisburn and Castlereagh City Council
Rear Extension
99.5%
Lisburn and Castlereagh City Council all applications
93.6%
Planning a rear extension in Lisburn and Castlereagh City Council?
99.5% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
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Free planning check for Lisburn and Castlereagh City Council →
✓ Nearest comparable rear extension 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%
89.1%
100.0%
89.6%
99.5%
98.6%
100.0%
96.4%
100.0%
100.0%
88.9%