Not all planning applications are created equal. The gap between the highest and lowest approval project type in Caerphilly is 40.1% — 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 | HMO | 40 | 37 | 3 | 92.5% |
| 2 | Conservatory | 139 | 120 | 19 | 86.3% |
| 3 | Rear Extension | 976 | 789 | 187 | 80.8% |
| 4 | Change of Use (Residential) | 551 | 442 | 109 | 80.2% |
| 5 | Extension (General) | 464 | 359 | 105 | 77.4% |
| 6 | Garage / Parking | 1,020 | 782 | 238 | 76.7% |
| 7 | Side Extension | 595 | 450 | 145 | 75.6% |
| 8 | Dormer | 257 | 193 | 64 | 75.1% |
| 9 | Basement | 31 | 23 | 8 | 74.2% |
| 10 | New Build | 58 | 43 | 15 | 74.1% |
| 11 | Wraparound Extension | 88 | 65 | 23 | 73.9% |
| 12 | Loft Conversion | 98 | 71 | 27 | 72.4% |
| 13 | Outbuilding | 204 | 145 | 59 | 71.1% |
| 14 | Annex | 72 | 51 | 21 | 70.8% |
| 15 | Flat Conversion | 27 | 17 | 10 | 63.0% |
| 16 | Front Extension | 82 | 43 | 39 | 52.4% |
A hmo application has a 92.5% approval rate. Front Extension? Just 52.4%.
Check your postcode to see what actually happens near your address.
1,081 planning applications in Caerphilly have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.
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