LL43 postcode area guide — Gwynedd
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL43 postcode district in Gwynedd — every official dataset on one page.
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Where is LL43?
Broadband & internet speeds in LL43
Strong coverage
Superfast (30Mb+)
71.1%
Ultrafast (300Mb+)
71.1%
Gigabit-capable
71.1%
Below USO (10Mb)
1.8%
Broadband availability in the LL43 postcode district (Gwynedd) is Strong — superfast is near-universal and gigabit is rolling out. Across the 28 postcodes Ofcom measures in LL43, superfast broadband (30 Mbit/s or faster) reaches 71.1% of premises and gigabit-capable lines are available to 71.1%.
Around 1.8% of premises in LL43 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 LL43
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL43 2AA | 81% | 81% |
| LL43 2AB | 100% | 100% |
| LL43 2AD | 100% | 100% |
| LL43 2AE | 100% | 100% |
| LL43 2AF | 100% | 100% |
| LL43 2AG | 98% | 98% |
| LL43 2AH | 100% | 100% |
| LL43 2AJ | 100% | 100% |
| LL43 2AL | 97.8% | 97.8% |
| LL43 2AN | 57.1% | 57.1% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Gwynedd
Ofcom's coverage model for the wider Gwynedd district (68,440 premises):
4G indoors — all networks
76.8%
4G outdoors — all networks
95.3%
5G outdoors — all networks
—
Voice indoors — all networks
81.4%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
House prices in LL43
Based on 8 sales registered with HM Land Registry in the last 12 months, the median sold price in LL43 is £213,500, down 26.4% on the previous year (£290,000).
Detached
£237,500
4 sales
Latest recorded sales in LL43
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 29 Apr 2026 | £205,000 | Detached | Llwyn Ynn | LL43 2AG |
| 3 Dec 2025 | £214,000 | Terraced | Llwyn Ynn | LL43 2AL |
| 21 Nov 2025 | £210,000 | Terraced | Llwyn Ynn | LL43 2AL |
| 20 Nov 2025 | £200,000 | Semi-detached | Llwyn Ynn | LL43 2AG |
| 17 Oct 2025 | £240,000 | Detached | Llwyn Ynn | LL43 2AG |
| 14 Oct 2025 | £213,500 | Semi-detached | Llwyn Ynn | LL43 2AL |
| 9 Oct 2025 | £237,500 | Detached | Llwyn Ynn | LL43 2AL |
| 15 Aug 2025 | £255,000 | Detached | Llwyn Ynn | LL43 2AL |
| 1 Jul 2025 | £260,000 | Terraced | LL43 2AA | |
| 12 Jun 2025 | £530,000 | Other | LL43 2AN |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Gwynedd demographics
Census 2021 figures for the wider Gwynedd district (117,393 residents, 51,105 households):
| Age profile | |
|---|---|
| Under 15 | 16.6% |
| 15–29 | 23.3% |
| 30–44 | 15.9% |
| 45–64 | 21% |
| 65+ | 23.2% |
| Housing tenure | |
|---|---|
| Owner-occupied | 65.4% |
| Private rented | 17.6% |
| Social rented | 9.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around LL43
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Gynradd Dyffryn Ardudwy | Not applicable | — | — | LL44 2EP |
| Ysgol Gynradd Llanbedr | Not applicable | — | — | LL45 2NW |
| Ysgol y Traeth | Not applicable | — | — | LL42 1HH |
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 LL43
13 rated food businesses operate in LL43. 13 hold the top rating of 5, 0 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Billy's Fish & Chips, Graze by the Bay, High Tides, Lyons Chippery Co, New Horizons Bar.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL43
From a sample of 75 Energy Performance Certificates across 7 LL43 postcodes, the most common rating is band E (average band E). 7% of sampled homes are rated C or better.
Band B
4%
Band C
3%
Band D
29%
Band E
32%
Band F
20%
Band G
12%
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 Gwynedd
Landlines around LL43 typically use:
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What's it like living in LL43?
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Moving to LL43? Sort your connectivity first
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Postcodes in LL43
Neighbouring districts
All Llandudno (LL) postcode districts ›
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.