NP12 area guide
House prices, recent sales, crime and schools for the NP12 postcode district in Caerphilly. Free to read, from official open data. For one address in detail, run a full property report.
Caerphilly · 2026-07 (UK HPI)
Median £205,000
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about NP12
The average home across Caerphilly is worth about £197,542 (UK House Price Index, 2026-07), and the median of the 31 most recent Land Registry sales recorded inside NP12 is £205,000, and prices have risen 4.2% over the last year.
Of 199 energy certificates sampled across 12 postcodes in NP12, band D is the most common, and 80.4% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 1,145 crimes around the centre of NP12 in the six months to 2026-07, most often violence and sexual offences (400).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of NP12 in Caerphilly.
The district covers the Aberbargoed and Bargoed, Abercarn, Argoed, Blackwood ward areas.
Sample of 199 energy certificates from 12 postcodes in NP12, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +4.2% over the last year in Caerphilly.
Street-level crime from data.police.uk, six months to 2026-07.
Aberbargoed and Bargoed · Abercarn · Argoed · Blackwood · Cefn Fforest and Pengam · Crumlin · Maesycwmmer · Newbridge · New Tredegar · Penmaen · Pontllanfraith · St Cattwg
Common questions about NP12
What is the average house price in NP12?
The UK House Price Index puts the average home in Caerphilly at £197,542 as of 2026-07. Recent Land Registry sales recorded inside the NP12 district have a median price of £205,000.
How much does each property type cost in NP12?
Detached £313,953, semi-detached £201,948, terraced £168,126, flats £106,676, based on the UK House Price Index for Caerphilly.
Is NP12 a safe area?
Police recorded 1,145 crimes near the centre of NP12 in the six months to 2026-07. The most common category was violence and sexual offences with 400 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in NP12 usually have?
Band D is the most common rating in our sample of 199 certificates from NP12, with 80.4% of homes rated below band C. A full property report shows the exact certificate, running costs and recommended improvements for one address.
What are the schools like near NP12?
0 schools within a mile of the NP12 district centre are rated Good or Outstanding by Ofsted. Catchment areas are set by the local authority and can change year to year.
Where does this NP12 data come from?
HM Land Registry Price Paid Data and the UK House Price Index for prices, the government's energy performance register for EPC bands, data.police.uk for crime, Get Information About Schools and Ofsted for schools, and ONS postcode geography. All are published under the Open Government Licence v3.0.
A full report covers the energy certificate, sale history and valuation, council tax band and bill, flood and crime risk, schools, transport and neighbourhood data for a single property.
Search an addressMore on NP12
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Sources: HM Land Registry Price Paid Data and UK House Price Index, ONS postcode geography, data.police.uk, Get Information About Schools and Ofsted. Contains public sector information licensed under the Open Government Licence v3.0.