LL77
Postcode districtPostcode district covering Llangefni and Talwrn, in Isle of Anglesey.
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 LL77 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In LL77, 48.7% of homes and businesses could get gigabit-capable broadband in January 2026.
How LL77 compares
Each dot is a postcode district. The black line marks the middle one.
Is LL77 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in LL77 at a rate of 104.6 per 1,000 people.
That compares with 97.5 per 1,000 people across LL.
In August 2026 alone, 81 cases of crime and anti-social behaviour were recorded in LL77.
In the 12 months to August 2026, the most common types were violence and sexual offences (319), anti-social behaviour (216) and other crime (77).
A year earlier, the recorded crime rate in LL77 was 96.7 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 LL77, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so LL77 has no single figure. Of its 4 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 7: 2 neighbourhoods
- Decile 8: 1 neighbourhood
Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.
Neighbourhoods in LL77
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Isle of Anglesey 002E | 2,244 | 26.7 per 1,000 | 7 | 72.0% |
| Isle of Anglesey 006B | 1,697 | 128.4 per 1,000 | 8 | 39.0% |
| Isle of Anglesey 006C | 2,209 | 94.6 per 1,000 | 7 | 37.0% |
| Isle of Anglesey 006D | 1,594 | 172.5 per 1,000 | 2 | 61.2% |
Your MP
- Llinos MediPlaid CymruMP for Ynys Môn
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in LL771
Postcode sectors in LL773
Council1
Postcode districts next to LL7711
More in the LL postcode area2
LL77 in brief
LL77 is a postcode district covering Llangefni and Talwrn, in Isle of Anglesey.
About 7,477 people lived in LL77 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £217,498 in 2025 across 98 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 104.6 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in LL77 was £217,498 in 2025.
LL77 had 7,147 usual residents at the census.
In LL77, 48.7% of homes and businesses could get gigabit-capable broadband in January 2026.
In LL77, 3.7% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.