LL51
Postcode districtPostcode district covering Bryncir, Garndolbenmaen and Golan, 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 LL51 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 100% of people in LL51 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How LL51 compares
Each dot is a postcode district. The black line marks the middle one.
Is LL51 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL51 at a rate of 32.8 per 1,000 people.
That compares with 97.5 per 1,000 people across the LL postcode area.
In August 2026 alone, 7 cases of crime and anti-social behaviour were recorded in LL51.
In the 12 months to August 2026, the most common types were violence and sexual offences (8), other crime (5) and anti-social behaviour (4).
A year earlier, the recorded crime rate in LL51 was 47.6 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 LL51, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so LL51 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 LL51
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Gwynedd 010A | 1,173 | 23.2 per 1,000 | 4 | 56.3% |
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 LL511
Council1
Postcode districts next to LL515
More in the LL postcode area2
LL51 in brief
LL51 is a postcode district covering Bryncir, Garndolbenmaen and Golan, in Gwynedd.
About 609 people lived in LL51 in mid-2024 (worked out by Open Index from ONS small-area estimates); police recorded crimes and anti-social behaviour at a rate of 32.8 per 1,000 people in the 12 months to August 2026 (police.uk).
LL51 had 591 usual residents at the census.
About 100% of people in LL51 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In LL51, 25.1% of homes and businesses could get gigabit-capable broadband in January 2026.
In LL51, 1.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.