LL31 postcode area guide — Conwy
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL31 postcode district in Conwy — every official dataset on one page.
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Where is LL31?
Broadband & internet speeds in LL31
Excellent coverage
Superfast (30Mb+)
98.6%
Ultrafast (300Mb+)
89.2%
Gigabit-capable
89.2%
Below USO (10Mb)
0%
Broadband availability in the LL31 postcode district (Conwy) is Excellent — gigabit-capable full fibre is widely available. Across the 281 postcodes Ofcom measures in LL31, superfast broadband (30 Mbit/s or faster) reaches 98.6% of premises and gigabit-capable lines are available to 89.2%.
Around 0% of premises in LL31 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 LL31
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL31 9AA | 100% | 100% |
| LL31 9AB | 100% | 100% |
| LL31 9AD | 100% | 94.1% |
| LL31 9AE | 100% | 0% |
| LL31 9AG | 100% | 100% |
| LL31 9AH | 100% | 100% |
| LL31 9AJ | 100% | 100% |
| LL31 9AL | 100% | 76.9% |
| LL31 9AN | 100% | 100% |
| LL31 9AP | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Conwy
Ofcom's coverage model for the wider Conwy district (60,351 premises):
4G indoors — all networks
80.9%
4G outdoors — all networks
97.2%
5G outdoors — all networks
0.3%
Voice indoors — all networks
88.8%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in LL31
Police recorded 65 incidents within about a mile of the centre of LL31 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 33 | 50.8% |
| Anti-social behaviour | 9 | 13.8% |
| Criminal damage & arson | 7 | 10.8% |
| Shoplifting | 6 | 9.2% |
| Public order | 4 | 6.2% |
| Other theft | 3 | 4.6% |
| Drugs | 1 | 1.5% |
| Weapons possession | 1 | 1.5% |
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 LL31
Based on 153 sales registered with HM Land Registry in the last 12 months, the median sold price in LL31 is £222,500, up 1.1% on the previous year (£220,000).
Detached
£360,000
42 sales
Semi-detached
£217,500
60 sales
Terraced
£164,000
35 sales
Flat / maisonette
£225,000
11 sales
Latest recorded sales in LL31
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 8 May 2026 | £133,000 | Terraced | Oswald Road | LL31 9EP |
| 7 May 2026 | £218,000 | Semi-detached | Nant Y Coed | LL31 9TZ |
| 24 Apr 2026 | £257,950 | Terraced | Llys Onnen | LL31 9EZ |
| 24 Apr 2026 | £183,500 | Semi-detached | Marl Drive | LL31 9LN |
| 23 Apr 2026 | £253,500 | Semi-detached | Walton Crescent | LL31 9ER |
| 23 Apr 2026 | £115,000 | Detached | LL31 9QB | |
| 10 Apr 2026 | £230,000 | Semi-detached | Dalar Aur | LL31 9FH |
| 10 Apr 2026 | £330,000 | Detached | Lon Gwaenfynydd | LL31 9FG |
| 10 Apr 2026 | £330,000 | Other | Lon Gwaenfynydd | LL31 9FG |
| 7 Apr 2026 | £276,000 | Detached | Llys Onnen | LL31 9EZ |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Conwy demographics
Census 2021 figures for the wider Conwy district (114,741 residents, 52,235 households):
| Age profile | |
|---|---|
| Under 15 | 16% |
| 15–29 | 18.3% |
| 30–44 | 15.8% |
| 45–64 | 22.5% |
| 65+ | 27.3% |
| Housing tenure | |
|---|---|
| Owner-occupied | 68.4% |
| Private rented | 19.1% |
| Social rented | 8.1% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around LL31
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Deganwy | Not applicable | — | — | LL31 9YB |
| Ysgol Awel y Mynydd | Not applicable | — | — | LL31 9HG |
| Ysgol Aberconwy | Not applicable | — | — | LL32 8ED |
| Ysgol Porth y Felin | Not applicable | — | — | LL32 8FZ |
| St David's College | Not applicable | — | — | LL30 1RD |
| Blessed William Davies School | Not applicable | — | — | LL30 1LL |
| Ysgol Glan Conwy | Not applicable | — | — | LL28 5ST |
| Ysgol Morfa Rhiannedd | Not applicable | — | — | LL30 1EG |
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 LL31
72 rated food businesses operate in LL31. 59 hold the top rating of 5, 6 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Aberconwy Care and Share, Asda, Bay Grill II, Booker Wholesale Ltd, Bryn Marl Nursing Home.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL31
From a sample of 151 Energy Performance Certificates across 11 LL31 postcodes, the most common rating is band D (average band D). 23% of sampled homes are rated C or better.
Band B
1%
Band C
21%
Band D
32%
Band E
27%
Band F
13%
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 Conwy
Landlines around LL31 typically use:
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What's it like living in LL31?
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Moving to LL31? Sort your connectivity first
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Postcodes in LL31
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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.