LL54 area guide
House prices, recent sales, crime and schools for the LL54 postcode district in Gwynedd. Free to read, from official open data. For one address in detail, run a full property report.
Gwynedd · 2026-07 (UK HPI)
Median £185,000
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about LL54
The average home across Gwynedd is worth about £204,974 (UK House Price Index, 2026-07), and the median of the 13 most recent Land Registry sales recorded inside LL54 is £185,000, and prices have risen 5.5% over the last year.
Of 170 energy certificates sampled across 12 postcodes in LL54, band D is the most common, and 66.5% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 115 crimes around the centre of LL54 in the six months to 2026-07, most often violence and sexual offences (55).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of LL54 in Gwynedd.
The district covers the Canol Tref Caernarfon, Clynnog, Dolbenmaen, Llanllyfni ward areas.
Sample of 170 energy certificates from 12 postcodes in LL54, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +5.5% over the last year in Gwynedd.
Street-level crime from data.police.uk, six months to 2026-07.
Canol Tref Caernarfon · Clynnog · Dolbenmaen · Llanllyfni · Llanwnda · Pen-y-groes · Tryfan · Waunfawr · Y Bontnewydd · Y Groeslon · Yr Eifl
Common questions about LL54
What is the average house price in LL54?
The UK House Price Index puts the average home in Gwynedd at £204,974 as of 2026-07. Recent Land Registry sales recorded inside the LL54 district have a median price of £185,000.
How much does each property type cost in LL54?
Detached £317,238, semi-detached £210,879, terraced £161,877, flats £115,339, based on the UK House Price Index for Gwynedd.
Is LL54 a safe area?
Police recorded 115 crimes near the centre of LL54 in the six months to 2026-07. The most common category was violence and sexual offences with 55 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in LL54 usually have?
Band D is the most common rating in our sample of 170 certificates from LL54, with 66.5% 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 LL54?
0 schools within a mile of the LL54 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 LL54 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.
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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.