LL77 postcode area guide — Isle of Anglesey
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL77 postcode district in Isle of Anglesey — every official dataset on one page.
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Where is LL77?
Broadband & internet speeds in LL77
Good coverage
Superfast (30Mb+)
87.5%
Ultrafast (300Mb+)
37.8%
Gigabit-capable
37.8%
Below USO (10Mb)
1.5%
Broadband availability in the LL77 postcode district (Isle of Anglesey) is Good — superfast broadband reaches most premises. Across the 247 postcodes Ofcom measures in LL77, superfast broadband (30 Mbit/s or faster) reaches 87.5% of premises and gigabit-capable lines are available to 37.8%.
Around 1.5% of premises in LL77 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in LL77
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL77 7AA | 100% | 100% |
| LL77 7AB | 100% | 0% |
| LL77 7AD | 100% | 0% |
| LL77 7AE | 100% | 19% |
| LL77 7AF | 100% | 73.1% |
| LL77 7AG | 100% | 100% |
| LL77 7AH | 100% | 100% |
| LL77 7AJ | 100% | 100% |
| LL77 7AL | 100% | 60% |
| LL77 7AN | 100% | 33.3% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Isle of Anglesey
Ofcom's coverage model for the wider Isle Of Anglesey district (38,436 premises):
4G indoors — all networks
69.9%
4G outdoors — all networks
97.4%
5G outdoors — all networks
—
Voice indoors — all networks
76.2%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in LL77
Police recorded 71 incidents within about a mile of the centre of LL77 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 29 | 40.8% |
| Anti-social behaviour | 16 | 22.5% |
| Criminal damage & arson | 6 | 8.5% |
| Public order | 6 | 8.5% |
| Shoplifting | 5 | 7.0% |
| Drugs | 4 | 5.6% |
| Burglary | 2 | 2.8% |
| Other crime | 2 | 2.8% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in LL77
Based on 54 sales registered with HM Land Registry in the last 12 months, the median sold price in LL77 is £220,000, up 4.8% on the previous year (£210,000).
Detached
£270,000
26 sales
Semi-detached
£220,000
12 sales
Terraced
£203,000
13 sales
Latest recorded sales in LL77
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 19 May 2026 | £285,000 | Detached | Ffordd Llifon | LL77 7PA |
| 12 May 2026 | £315,000 | Detached | LL77 7TD | |
| 29 Apr 2026 | £298,500 | Detached | Maes Y Meillion | LL77 7AD |
| 29 Apr 2026 | £333,500 | Detached | Caerdelyn | LL77 7EJ |
| 21 Apr 2026 | £130,000 | Semi-detached | Pencraig | LL77 7LL |
| 31 Mar 2026 | £230,000 | Semi-detached | LL77 7DZ | |
| 26 Mar 2026 | £190,000 | Detached | Caerdelyn | LL77 7EJ |
| 24 Mar 2026 | £480,000 | Detached | Lon Fron | LL77 7HB |
| 20 Mar 2026 | £270,000 | Detached | Rhos Llwyn | LL77 7QA |
| 25 Feb 2026 | £242,000 | Semi-detached | Clwch | LL77 7SJ |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Isle of Anglesey demographics
Census 2021 figures for the wider Isle of Anglesey district (68,878 residents, 30,824 households):
| Age profile | |
|---|---|
| Under 15 | 17% |
| 15–29 | 18.6% |
| 30–44 | 15.9% |
| 45–64 | 22.1% |
| 65+ | 26.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 68.2% |
| Private rented | 15.9% |
| Social rented | 3.4% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around LL77
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Gymuned Bodffordd | Not applicable | — | — | LL77 7LZ |
| Ysgol Y Graig | Not applicable | — | — | LL77 7JA |
| Ysgol Gynradd Talwrn | Not applicable | — | — | LL77 7TG |
| Ysgol Corn Hir | Not applicable | — | — | LL77 7JB |
| Ysgol Gyfun Llangefni | Not applicable | — | — | LL77 7NG |
| Canolfan Addysg Y Bont | Not applicable | — | — | LL77 7NG |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in LL77
83 rated food businesses operate in LL77. 75 hold the top rating of 5, 6 are rated 4, and 2 are rated 2 or below.
Among the 5-rated: Aldi Stores, Anglesey Brewhouse, Aran, Asda Stores Ltd, Avondale Cafe.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL77
From a sample of 79 Energy Performance Certificates across 10 LL77 postcodes, the most common rating is band D (average band D). 38% of sampled homes are rated C or better.
Band A
1%
Band B
10%
Band C
27%
Band D
33%
Band E
20%
Band F
3%
Band G
6%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Isle of Anglesey
Landlines around LL77 typically use:
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What's it like living in LL77?
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Moving to LL77? Sort your connectivity first
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Postcodes in LL77
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.