Postcode district
NP12: house prices and neighbourhoods
The NP12 postcode district (Caerphilly): 904 live postcodes across 12 neighbourhoods, with official figures as of 4 November 2026.
Typical house price
£200,000
Median of 108 resales of existing houses in NP12, Sep 2025 to Sep 2026.
Source: HM Land Registry Price Paid Data
Neighbourhoods in NP12
| Neighbourhood | Council | Typical house | Typical flat | Affluence today | Signs of gentrification |
|---|---|---|---|---|---|
| Aberbargoed & Gilfach | Caerphilly | £155,000 | – | Below average income | Clear signs |
| Blackwood | Caerphilly | £185,000 | – | Middle income | Some signs |
| Crosskeys North & Abercarn | Caerphilly | £165,000 | – | Middle income | Some signs |
| Crosskeys South & Ynysddu | Caerphilly | £160,000 | – | Below average income | Mixed signs |
| Hengoed & Maesycwmer | Caerphilly | £185,000 | – | Middle income | Clear signs |
| New Tredegar & Darren Valley | Caerphilly | £108,000 | – | Among the most income-deprived | Clear signs |
| Newbridge | Caerphilly | £150,000 | – | Below average income | Mixed signs |
| North Blackwood, Argoed & Markham | Caerphilly | £175,000 | – | Middle income | Few signs |
| Oakdale & Pen-twyn | Caerphilly | £195,000 | – | Middle income | Some signs |
| Pengam & Cefn Fforest | Caerphilly | £160,000 | – | Below average income | Few signs |
| Pontllan-fraith | Caerphilly | £186,000 | – | Middle income | Mixed signs |
| St Cattwg | Caerphilly | £184,125 | – | Below average income | Strong signs |
Each neighbourhood's figures are the median resale prices of houses and flats, Affluence today and the gentrification indication from its own page.
Thinking of buying in NP12?
A full report covers flood risk, schools, crime, your commute, energy, planning and how the area is changing, for the exact home.
Prepare a full report for a home See a sample reportNeighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Figures describe the area, not any home, and are not a valuation or a prediction.
