Conservatory approval rate in Blackburn with Darwen
Blackburn with Darwen approved 92.6% of conservatory applications, based on 310 decisions analysed.
Last updated: April 2026
92.6%
conservatory approval rate
310
Conservatory decisions
287
Approved
23
Refused
89.0%
Blackburn with Darwen overall
Conservatory applications are approved more often than the Blackburn with Darwen average (89.0%), suggesting the council is relatively receptive to these projects.
How conservatory compares in Blackburn with Darwen
Conservatory
92.6%
Blackburn with Darwen all applications
89.0%
Planning a conservatory in Blackburn with Darwen?
92.6% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's conservatory approval rate
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Get Blackburn with Darwen Pro Report — £79
✓ Nearest comparable conservatory decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Blackburn with Darwen
90.2%
87.8%
88.8%
88.3%
81.9%
84.0%
88.7%
85.6%
87.9%
71.6%
87.1%
89.8%
91.3%
83.9%
55.2%