Not all planning applications are created equal. The gap between the highest and lowest approval project type in Blackburn with Darwen is 37.4% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.
See your ward's approval rate and nearby planning decisions — free and instant.
| # | Type | Decisions | Approved | Refused | Rate |
|---|---|---|---|---|---|
| 1 | Conservatory | 310 | 287 | 23 | 92.6% |
| 2 | Hip-to-Gable Conversion | 69 | 63 | 6 | 91.3% |
| 3 | Rear Extension | 2,166 | 1,953 | 213 | 90.2% |
| 4 | Annex | 88 | 79 | 9 | 89.8% |
| 5 | Garage / Parking | 1,389 | 1,234 | 155 | 88.8% |
| 6 | Outbuilding | 282 | 250 | 32 | 88.7% |
| 7 | Side Extension | 1,057 | 933 | 124 | 88.3% |
| 8 | Front Extension | 157 | 138 | 19 | 87.9% |
| 9 | Extension (General) | 1,911 | 1,677 | 234 | 87.8% |
| 10 | Basement | 101 | 88 | 13 | 87.1% |
| 11 | Wraparound Extension | 215 | 184 | 31 | 85.6% |
| 12 | New Build | 450 | 378 | 72 | 84.0% |
| 13 | Loft Conversion | 62 | 52 | 10 | 83.9% |
| 14 | Dormer | 559 | 458 | 101 | 81.9% |
| 15 | Change of Use (Residential) | 1,076 | 846 | 230 | 78.6% |
| 16 | Flat Conversion | 102 | 73 | 29 | 71.6% |
| 17 | HMO | 29 | 16 | 13 | 55.2% |
A conservatory application has a 92.6% approval rate. HMO? Just 55.2%.
Check your postcode to see what actually happens near your address.
1,383 planning applications in Blackburn with Darwen have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.
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