Caerphilly Council approves 83.2% of planning applications, based on 1,944 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 87.9%. Caerphilly sits 4.7 percentage points below the national average.
Enter your postcode for a personalised approval likelihood score — based on your ward and application type.
Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Caerphilly.
| Application Type | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Full | 718 | 179 | 897 | 80.0% |
| Other | 543 | 79 | 622 | 87.3% |
| Certificate of Lawfulness | 172 | 34 | 206 | 83.5% |
| Trees | 87 | 18 | 105 | 82.9% |
| Change of Use | 55 | 14 | 69 | 79.7% |
| Advertisement | 39 | 0 | 39 | 100.0% |
| Discharge of Conditions | 3 | 0 | 3 | 100.0% |
| Listed Building | 1 | 2 | 3 | 33.3% |
A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on.
Check My PostcodeWard-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.
| Ward | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| St Martins | 131 | 25 | 156 | 84.0% |
| Penyrheol | 96 | 22 | 118 | 81.4% |
| Pontllanfraith | 95 | 15 | 110 | 86.4% |
| Morgan Jones | 87 | 15 | 102 | 85.3% |
| Blackwood | 83 | 17 | 100 | 83.0% |
| Crumlin | 74 | 12 | 86 | 86.0% |
| Bedwas, Trethomas & Machen | 77 | 6 | 83 | 92.8% |
| Nelson | 67 | 14 | 81 | 82.7% |
| Penmaen | 63 | 18 | 81 | 77.8% |
| Newbridge | 64 | 13 | 77 | 83.1% |
| Ystrad Mynach | 63 | 10 | 73 | 86.3% |
| St Cattwg | 55 | 14 | 69 | 79.7% |
| Abercarn | 54 | 10 | 64 | 84.4% |
| Risca West | 44 | 13 | 57 | 77.2% |
| Ynysddu | 45 | 7 | 52 | 86.5% |
| Llanbradach | 36 | 9 | 45 | 80.0% |
| St James | 40 | 4 | 44 | 90.9% |
| Hengoed | 38 | 4 | 42 | 90.5% |
| Maesycwmmer | 34 | 6 | 40 | 85.0% |
| Argoed | 25 | 13 | 38 | 65.8% |
| Bedwas And Trethomas | 29 | 8 | 37 | 78.4% |
| Aberbargoed And Bargoed | 27 | 9 | 36 | 75.0% |
| Machen And Rudry | 29 | 5 | 34 | 85.3% |
| Aber Valley | 28 | 5 | 33 | 84.8% |
| Pengam | 28 | 4 | 32 | 87.5% |
Showing top 25 of 39 wards by volume. Your Pro Report includes the full ward breakdown.
See full ward breakdown →Real residential planning decisions from Caerphilly council. Each reference links to the council's own planning portal so you can verify the details yourself.
| Reference | Proposal | Decision |
|---|---|---|
| 26/0024/COU Ystrad Mynach | Change the use of first floor from D1 Storage to C3 residential apartment | Approved |
| 26/0028/FULL Ystrad Mynach | Erect single storey rear extension to facilitate additional storage space for th | Approved |
| 26/0026/HH Risca East | Erect two storey side extension | Approved |
| 25/0892/HH Morgan Jones | Erect two storey rear infill extension | Approved |
| 25/0881/HH Pontllanfraith | Erect first floor rear extension | Approved |
| 25/0874/HH Risca West | Erect single storey granny annexe within rear garden | Refused |
| 25/0841/HH Ystrad Mynach | Erect two storey side extension, single storey rear extension and demolition of | Refused |
| 25/0806/HH Moriah And Pontlottyn | Erect side extension to existing garage | Approved |
| 25/0844/COU Penmaen | Change the use from a public house to a C3 dwelling and associated works | Approved |
| 25/0802/HH Nelson | Erect single storey rear extension and detached garage, demolition of existing g | Approved |
Find out what actually gets approved near your address first. Your Pro Report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Caerphilly's 1,944 real decisions. Delivered by email in minutes.
Get My Pro Report — £79Compare Caerphilly's planning approval rates with neighbouring areas:
Dig deeper into Caerphilly's planning statistics — by ward, extension type, or project category:
Data-driven guides to help you understand planning approval patterns:
Based on 1,944 planning decisions, the overall approval rate in Caerphilly is 83.2%. The national average across councils tracked by PlanningLens is 87.9%. However, rates vary significantly by ward and application type.
PlanningLens has analysed 1,944 planning decisions from Caerphilly council. 1,618 were approved and 326 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Caerphilly is 83.2%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the PlanningLens free postcode check to get a personalised score.