Blackburn with Darwen planning approval rate

Blackburn with Darwen council approved 89.0% of planning applications and refused 11.0%, based on 12,526 decisions analysed.

Last updated: April 2026 · Based on decisions from January 2020 to present

89.0%

overall approval rate

12,526

Decisions analysed

11,143

Approved

1,383

Refused

Wards covered

Planning in Blackburn with Darwen? Check your postcode to see approval rates specific to your ward and street.

Approval rate by application type

Different application types have different approval rates in Blackburn with Darwen. Householder and full planning applications typically have the highest volume.

Other (12,526 decided)

89.0%

Approval rate by project type

These rates are based on what homeowners are actually building in Blackburn with Darwen — mined from 12,526 proposal descriptions.

Rear Extension (2,166 decided)

90.2%

Extension (General) (1,911 decided)

87.8%

Garage / Parking (1,389 decided)

88.8%

Change of Use (Residential) (1,076 decided)

78.6%

Side Extension (1,057 decided)

88.3%

Dormer (559 decided)

81.9%

New Build (450 decided)

84.0%

Conservatory (310 decided)

92.6%

Outbuilding (282 decided)

88.7%

Wraparound Extension (215 decided)

85.6%

Front Extension (157 decided)

87.9%

Flat Conversion (102 decided)

71.6%

Basement (101 decided)

87.1%

Annex (88 decided)

89.8%

Hip-to-Gable Conversion (69 decided)

91.3%

Loft Conversion (62 decided)

83.9%

HMO (29 decided)

55.2%

Approval rate by ward

Planning outcomes vary significantly by ward within Blackburn with Darwen. Click any ward for detailed statistics.

Wards in Blackburn with Darwen

Recent comparable decisions

The most recent residential planning decisions in Blackburn with Darwen, showing how the council decides real applications.

10/25/1355

Erection of single storey extension to rear 5.00m from original rear wall, Max H · · 11-02-2026

Approved

10/25/1364

Erection of one dwelling · · 08-01-2026

Refused

10/26/0079

Erection of single storey extension to rear 6.0m from original rear wall, Max He · · 05-02-2026

Approved

Showing 3 of 200 comparable decisions. See all 200 in the Pro Report →

What gets approved near your property?

In Blackburn with Darwen, 1 in 9 applications are refused. Your PlanningLens Pro Report gives you 17 pages of intelligence specific to your property:

✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Blackburn with Darwen
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect

Get Blackburn with Darwen Pro Report — £79

Less than one set of revised drawings. Based on 12,526 decisions.

Compare with nearby councils

Burnley Rossendale Bolton Chorley

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