LL51 House Prices, Crime & Local Stats

LL51 is a postcode district in Gwynedd, Wales, covering 44 active and 1 retired postcodes.

The largest share of LL51 (55%) is characterised by a working countryside area — farms, fields and close-knit local communities, alongside a rural area with a significant number of older people in rented flats (32%). Overall, LL51 is a varied district — different streets can feel quite different in character.

Property: Average house prices in LL51 are around £204k, down 49.4% year-on-year. Safety: Crime runs above average across LL51 at 162 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 49 — 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 LL51 demographics profile for district-wide census breakdowns.