LL42
Postcode districtPostcode district covering Barmouth and Llanaber, 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 LL42 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In LL42, 15.5% of homes and businesses could get gigabit-capable broadband in January 2026.
How LL42 compares
Each dot is a postcode district. The black line marks the middle one.
Is LL42 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL42 at a rate of 125.0 per 1,000 people.
That compares with 97.5 per 1,000 people across LL.
In August 2026 alone, 46 cases of crime and anti-social behaviour were recorded in LL42.
In the 12 months to August 2026, the most common types were violence and sexual offences (123), anti-social behaviour (51) and other crime (45).
A year earlier, the recorded crime rate in LL42 was 124.1 per 1,000 people.
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.
Deprivation in LL42, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so LL42 has no single figure. Of its 1 neighbourhood with a rank:
- Decile 4: 1 neighbourhood
Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.
Neighbourhoods in LL42
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Gwynedd 016F | 2,146 | 125.0 per 1,000 | 4 | 15.5% |
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 LL421
Council1
Postcode districts next to LL422
Nearest rail stations3
More in the LL postcode area2
LL42 in brief
LL42 is a postcode district covering Barmouth and Llanaber, in Gwynedd.
About 2,216 people lived in LL42 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £215,000 in 2025 across 39 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 125.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in LL42 was £215,000 in 2025.
LL42 had 2,146 usual residents at the census.
In LL42, 15.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In LL42, 4.7% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.