LL42 House Prices, Crime & Local Stats

LL42 is a postcode district in Gwynedd, Wales, covering 149 active and 33 retired postcodes.

The largest share of LL42 (43%) is characterised by a neighbourhood where residents are striving to improve despite financial pressures, alongside a quiet, leafy suburb popular with retirees in large detached homes (16%). A further 12% of the district is made up of a working urban area with a mix of terrace houses and flats, mostly families. This mix of 6 distinct neighbourhood types makes LL42 one of the more varied districts in the region.

Property: Average house prices in LL42 are around £150k, down 31.5% year-on-year. Safety: Crime runs above average across LL42 at 326 per 1,000 residents — driven partly by commercial activity and transport hubs. Individual street-level data is available by selecting a specific postcode below. The district has a mature, established population with an average age of 48 — predominantly owner-occupied, quiet, and low-turnover.

Select any postcode below to explore street-level crime, nearby schools, sold house prices, and census data — or view the full LL42 demographics profile for district-wide census breakdowns.