LL71 postcode area guide — Isle of Anglesey
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL71 postcode district in Isle of Anglesey — every official dataset on one page.
Check any UK postcode
Where is LL71?
Broadband & internet speeds in LL71
Mixed coverage
Superfast (30Mb+)
74.5%
Ultrafast (300Mb+)
34.6%
Gigabit-capable
34.6%
Below USO (10Mb)
5.7%
Broadband availability in the LL71 postcode district (Isle of Anglesey) is Mixed — superfast is available to many but not all premises. Across the 85 postcodes Ofcom measures in LL71, superfast broadband (30 Mbit/s or faster) reaches 74.5% of premises and gigabit-capable lines are available to 34.6%.
Around 5.7% of premises in LL71 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 LL71
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL71 7AA | 100% | 0% |
| LL71 7AB | 100% | 0% |
| LL71 7AD | 100% | 0% |
| LL71 7AE | 100% | 0% |
| LL71 7AF | 100% | 0% |
| LL71 7AG | 62.5% | 0% |
| LL71 7AH | 0% | 0% |
| LL71 7AL | 0% | 0% |
| LL71 7AN | 28.6% | 28.6% |
| LL71 7AP | 75% | 75% |
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 LL71
Police recorded 5 incidents within about a mile of the centre of LL71 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 3 | 60.0% |
| Other theft | 1 | 20.0% |
| Public order | 1 | 20.0% |
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 LL71
Based on 15 sales registered with HM Land Registry in the last 12 months, the median sold price in LL71 is £197,000, up 31.3% on the previous year (£150,000).
Detached
£267,500
6 sales
Terraced
£145,000
5 sales
Latest recorded sales in LL71
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 7 Jan 2026 | £85,000 | Terraced | Chwaen Terrace | LL71 7AD |
| 18 Dec 2025 | £197,000 | Detached | Caer Delyn | LL71 8EJ |
| 15 Dec 2025 | £92,000 | Terraced | High Street | LL71 8EB |
| 15 Dec 2025 | £258,000 | Terraced | High Street | LL71 8EA |
| 28 Nov 2025 | £280,000 | Detached | Caer Delyn | LL71 8EJ |
| 25 Nov 2025 | £179,950 | Detached | LL71 8EL | |
| 24 Nov 2025 | £340,000 | Other | Maes Cuhelyn | LL71 8DE |
| 21 Nov 2025 | £95,000 | Semi-detached | Bridge Street | LL71 8EU |
| 7 Nov 2025 | £192,000 | Semi-detached | Y Garth | LL71 7BD |
| 10 Oct 2025 | £325,000 | Other | LL71 8AP |
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 LL71
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Gymuned Llannerch-y-medd | Not applicable | — | — | LL71 8DP |
| Ysgol Gymuned Garreglefn | Not applicable | — | — | LL68 0PH |
| Ysgol Gymuned Bodffordd | Not applicable | — | — | LL77 7LZ |
| Ysgol Gynradd Penysarn | Not applicable | — | — | LL69 9AZ |
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 LL71
15 rated food businesses operate in LL71. 14 hold the top rating of 5, 1 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Adamsons of Anglesey, Anglesey Chilled Foods, Bryn Dyfrydog, Chapter One The Bakery, Drws Y Coed B&B.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL71
From a sample of 87 Energy Performance Certificates across 11 LL71 postcodes, the most common rating is band E (average band E). 23% of sampled homes are rated C or better.
Band B
8%
Band C
15%
Band D
18%
Band E
29%
Band F
16%
Band G
14%
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 LL71 typically use:
Had a call from an unknown number? Use our free UK phone number checker to see who called.
What's it like living in LL71?
Be the first to rate LL71 (Isle of Anglesey).
How would you rate living in LL71 (Isle of Anglesey)?
Moving to LL71? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Isle of Anglesey — free, no-obligation quote.
Postcodes in LL71
Neighbouring districts
All Llandudno (LL) postcode districts ›
Frequently asked questions
Where is the LL71 postcode?
How much do houses cost in LL71?
Is LL71 a safe area?
What broadband can I get in LL71?
Who lives in LL71?
How energy efficient are homes in LL71?
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.