SY20 House Prices, Crime & Local Stats

SY20 is a postcode district in Gwynedd, Wales, covering 421 active and 69 retired postcodes.

The largest share of SY20 (31%) is characterised by a working countryside area — farms, fields and close-knit local communities, alongside a former rural industrial area with older, long-settled residents (16%). A further 13% of the district is made up of a rural commuter area popular with professional households. This mix of 5 distinct neighbourhood types makes SY20 one of the more varied districts in the region.

Property: Average house prices in SY20 are around £216k, up 2.0% year-on-year. Safety: Crime runs above average across SY20 at 129 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 SY20 demographics profile for district-wide census breakdowns.