LL40 House Prices, Crime & Local Stats

LL40 is a postcode district in Gwynedd, Wales, covering 358 active and 50 retired postcodes.

The largest share of LL40 (27%) is characterised by a rural area with a significant number of older people in rented flats, alongside a countryside community of working families and retired residents (16%). This mix of 8 distinct neighbourhood types makes LL40 one of the more varied districts in the region.

Property: Average house prices in LL40 are around £217k, down 2.9% year-on-year. Safety: Crime runs above average across LL40 at 234 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 LL40 demographics profile for district-wide census breakdowns.