Not all planning applications are created equal. The gap between the highest and lowest approval project type in Cardiff is – — 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 | Dormer | 309 | – | – | – |
| 2 | Loft Conversion | 284 | – | – | – |
| 3 | Rear Extension | 527 | – | – | – |
| 4 | Side Extension | 233 | – | – | – |
| 5 | Hip-to-Gable Conversion | 90 | – | – | – |
| 6 | Change of Use (Residential) | 148 | – | – | – |
| 7 | Garage / Parking | 368 | – | – | – |
| 8 | HMO | 65 | – | – | – |
| 9 | Outbuilding | 110 | – | – | – |
| 10 | Extension (General) | 338 | – | – | – |
| 11 | Conservatory | 197 | – | – | – |
| 12 | New Build | 27 | – | – | – |
| 13 | Annex | 38 | – | – | – |
| 14 | Flat Conversion | 34 | – | – | – |
| 15 | Wraparound Extension | 31 | – | – | – |
| 16 | Front Extension | 41 | – | – | – |
A dormer application has a – approval rate. Front Extension? Just –.
Check your postcode to see what actually happens near your address.
– planning applications in Cardiff 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.
Check my postcode