LL77 area guide
House prices, recent sales, crime and schools for the LL77 postcode district in Isle of Anglesey. Free to read, from official open data. For one address in detail, run a full property report.
Isle of Anglesey · 2026-07 (UK HPI)
Median £272,500
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about LL77
The average home across Isle of Anglesey is worth about £231,943 (UK House Price Index, 2026-07), and the median of the 24 most recent Land Registry sales recorded inside LL77 is £272,500, and prices have fallen 0.3% over the last year.
Of 185 energy certificates sampled across 12 postcodes in LL77, band D is the most common, and 74.6% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 420 crimes around the centre of LL77 in the six months to 2026-08, most often violence and sexual offences (168).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of LL77 in Isle of Anglesey.
The district covers the Aethwy, Canolbarth Môn, Cefni, Lligwy ward areas.
Sample of 185 energy certificates from 12 postcodes in LL77, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed -0.3% over the last year in Isle of Anglesey.
Street-level crime from data.police.uk, six months to 2026-08.
Aethwy · Canolbarth Môn · Cefni · Lligwy
Common questions about LL77
What is the average house price in LL77?
The UK House Price Index puts the average home in Isle of Anglesey at £231,943 as of 2026-07. Recent Land Registry sales recorded inside the LL77 district have a median price of £272,500.
How much does each property type cost in LL77?
Detached £318,625, semi-detached £205,104, terraced £162,418, flats £137,672, based on the UK House Price Index for Isle of Anglesey.
Is LL77 a safe area?
Police recorded 420 crimes near the centre of LL77 in the six months to 2026-08. The most common category was violence and sexual offences with 168 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in LL77 usually have?
Band D is the most common rating in our sample of 185 certificates from LL77, with 74.6% 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 LL77?
0 schools within a mile of the LL77 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 LL77 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.