LL37
Postcode districtPostcode district covering Llwyngwril, in Gwynedd.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an LL37 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In LL37, 98.8% of homes and businesses could get gigabit-capable broadband in January 2026.
How LL37 compares
Each dot is a postcode district. The black line marks the middle one.
Is LL37 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL37 at a rate of 33.0 per 1,000 people.
That compares with 97.5 per 1,000 people across LL.
In August 2026 alone, 3 cases of crime and anti-social behaviour were recorded in LL37.
In the 12 months to August 2026, the most common types were anti-social behaviour (7), violence and sexual offences (6) and other crime (2).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Your MP
- Liz Saville RobertsPlaid CymruMP for Dwyfor Meirionnydd
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Postcode sectors in LL371
Council1
Postcode districts next to LL373
Nearest rail stations3
More in the LL postcode area2
LL37 in brief
LL37 is a postcode district covering Llwyngwril, in Gwynedd.
About 515 people lived in LL37 in mid-2024 (worked out by Open Index from ONS small-area estimates); police recorded crimes and anti-social behaviour at a rate of 33.0 per 1,000 people in the 12 months to August 2026 (police.uk).
LL37 had 514 usual residents at the census.
In LL37, 98.8% of homes and businesses could get gigabit-capable broadband in January 2026.
52.1% of residents in LL37 were aged 15 to 64 at the census.
35.9% of residents in LL37 were aged 65 or over at the census.