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Conservatory approval rate in Blackburn with Darwen

Blackburn with Darwen approved 92.7% of conservatory applications, based on 314 decisions analysed.

Last updated: June 2026

92.7%
conservatory approval rate
314
Conservatory decisions
291
Approved
23
Refused
89.1%
Blackburn with Darwen overall

Conservatory applications are approved more often than the Blackburn with Darwen average (89.1%), suggesting the council is relatively receptive to these projects.

How conservatory compares in Blackburn with Darwen

Conservatory (314 decided)
92.7%
Blackburn with Darwen all applications (12,714 decided)
89.1%

Planning a conservatory in Blackburn with Darwen?

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Other project types in Blackburn with Darwen

Rear Extension (2,200 decided)
90.3%
Extension (General) (1,931 decided)
87.9%
Garage / Parking (1,414 decided)
89.0%
78.5%
Side Extension (1,073 decided)
88.4%
Dormer (571 decided)
82.3%
New Build (458 decided)
84.3%
Outbuilding (287 decided)
88.9%
Wraparound Extension (221 decided)
86.0%
Front Extension (159 decided)
88.1%
Basement (103 decided)
87.4%
Flat Conversion (102 decided)
71.6%
Annex (88 decided)
89.8%
91.7%
Loft Conversion (64 decided)
84.4%
HMO (29 decided)
55.2%
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