CF23 area guide
House prices, recent sales, crime and schools for the CF23 postcode district in Cardiff. Free to read, from official open data. For one address in detail, run a full property report.
UK House Price Index
Median £290,000
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about CF23
the median of the 27 most recent Land Registry sales recorded inside CF23 is £290,000.
Of 684 energy certificates sampled across 12 postcodes in CF23, band C is the most common, and 41.7% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 932 crimes around the centre of CF23 in the six months to 2026-08, most often violence and sexual offences (336).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of CF23 in Cardiff.
The district covers the Cyncoed, Heath, Lisvane and Thornhill, Pentwyn ward areas.
Sample of 684 energy certificates from 12 postcodes in CF23, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Street-level crime from data.police.uk, six months to 2026-08.
Cyncoed · Heath · Lisvane and Thornhill · Pentwyn · Penylan · Plasnewydd · Pontprennau and Old St Mellons · Trowbridge
Common questions about CF23
What is the average house price in CF23?
We do not currently have a published average for CF23. Search a specific address for its own sale history and valuation context.
Is CF23 a safe area?
Police recorded 932 crimes near the centre of CF23 in the six months to 2026-08. The most common category was violence and sexual offences with 336 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in CF23 usually have?
Band C is the most common rating in our sample of 684 certificates from CF23, with 41.7% 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 CF23?
0 schools within a mile of the CF23 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 CF23 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 CF23
Nearby CF postcode districts
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.