Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,944 real decisions tell us about rear extension outcomes in Dartford.
See your ward's approval rate and nearby planning decisions — free and instant.
Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.
| # | Ward | Decisions | Approved | Rate |
|---|---|---|---|---|
| 1 | Joydens Wood | 5 | 5 | 100.0% |
| 2 | Longfield, New Barn & Southfleet | 7 | 6 | 85.7% |
| 3 | Wilmington, Sutton-at-Hone & Hawley | 5 | 4 | 80.0% |
A rear extension has a 100.0% approval rate in Joydens Wood but just 80.0% in Wilmington, Sutton-at-Hone & Hawley.
Check your postcode to see what actually happens near your address.
Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Dartford.
| Type | Decisions | Rate |
|---|---|---|
| Conservatory | 335 | 94.0% |
| Hip-to-Gable Conversion | 113 | 92.9% |
| Wraparound Extension | 86 | 91.9% |
| Outbuilding | 461 | 91.1% |
| Side Extension | 958 | 90.5% |
| Extension (General) | 217 | 90.3% |
| Rear Extension | 1,944 | 89.1% |
| Dormer | 818 | 88.3% |
| Garage / Parking | 1,750 | 88.2% |
| Front Extension | 227 | 87.7% |
| New Build | 671 | 86.7% |
| Loft Conversion | 195 | 86.7% |
| Annex | 97 | 86.6% |
| Basement | 91 | 84.6% |
| HMO | 58 | 77.6% |
| Change of Use (Residential) | 397 | 75.8% |
| Flat Conversion | 30 | 70.0% |
211 rear extension applications in Dartford 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.
Check My Postcode First