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Annex approval rate in Lancaster

Lancaster approved 85.7% of annex applications, based on 14 decisions analysed.

Last updated: August 2026

85.7%
annex approval rate
14
Annex decisions
12
Approved
2
Refused
91.9%
Lancaster overall

Annex applications are refused more often than the Lancaster average (91.9%), suggesting the council scrutinises these projects more closely.

How annex compares in Lancaster

Annex (14 decided)
85.7%
Lancaster all applications (4,802 decided)
91.9%

Planning a annex in Lancaster?

85.7% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Lancaster

Extension (General) (504 decided)
92.1%
Rear Extension (459 decided)
92.2%
Garage / Parking (352 decided)
91.5%
Dormer (260 decided)
89.2%
Side Extension (210 decided)
90.5%
Conservatory (182 decided)
96.2%
77.6%
New Build (148 decided)
88.5%
Outbuilding (128 decided)
89.1%
90.4%
Loft Conversion (47 decided)
85.1%
97.6%
Front Extension (19 decided)
89.5%
Flat Conversion (19 decided)
57.9%
Basement (15 decided)
86.7%
HMO (10 decided)
100.0%
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