Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 1,385 real decisions tell us about rear extension outcomes in Knowsley.
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 | Prescot North | 10 | 10 | 100.0% |
| 2 | Swanside | 5 | 5 | 100.0% |
| 3 | Roby | 16 | 16 | 100.0% |
| 4 | Halewood South | 6 | 6 | 100.0% |
| 5 | Halewood North | 7 | 7 | 100.0% |
| 6 | St Gabriels | 6 | 6 | 100.0% |
| 7 | Page Moss | 6 | 5 | 83.3% |
A rear extension has a 100.0% approval rate in Prescot North but just 83.3% in Page Moss.
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 Knowsley.
| Type | Decisions | Rate |
|---|---|---|
| Wraparound Extension | 346 | 99.4% |
| Front Extension | 279 | 98.6% |
| Outbuilding | 160 | 98.1% |
| Conservatory | 156 | 97.4% |
| Rear Extension | 1,385 | 97.3% |
| Side Extension | 1,082 | 97.2% |
| Annex | 28 | 96.4% |
| Hip-to-Gable Conversion | 26 | 96.2% |
| Garage / Parking | 692 | 96.0% |
| Extension (General) | 268 | 95.1% |
| Dormer | 160 | 92.5% |
| Loft Conversion | 76 | 92.1% |
| New Build | 631 | 92.1% |
| Change of Use (Residential) | 232 | 89.7% |
37 rear extension applications in Knowsley 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