LL41 postcode area guide — Gwynedd
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL41 postcode district in Gwynedd — every official dataset on one page.
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Where is LL41?
Broadband & internet speeds in LL41
Strong coverage
Superfast (30Mb+)
90.2%
Ultrafast (300Mb+)
61.9%
Gigabit-capable
61.9%
Below USO (10Mb)
1.2%
Broadband availability in the LL41 postcode district (Gwynedd) is Strong — superfast is near-universal and gigabit is rolling out. Across the 372 postcodes Ofcom measures in LL41, superfast broadband (30 Mbit/s or faster) reaches 90.2% of premises and gigabit-capable lines are available to 61.9%.
Around 1.2% of premises in LL41 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 LL41
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL41 3AA | 95.7% | 78.3% |
| LL41 3AD | 100% | 91.7% |
| LL41 3AE | 100% | 82.8% |
| LL41 3AF | 100% | 100% |
| LL41 3AG | 100% | 100% |
| LL41 3AJ | 100% | 100% |
| LL41 3AL | 100% | 100% |
| LL41 3AN | 100% | 94.1% |
| LL41 3AP | 100% | 75% |
| LL41 3AQ | 46.2% | 0% |
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.
Crime in LL41
Police recorded 9 incidents within about a mile of the centre of LL41 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Anti-social behaviour | 4 | 44.4% |
| Violence & sexual offences | 3 | 33.3% |
| Criminal damage & arson | 1 | 11.1% |
| Weapons possession | 1 | 11.1% |
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 LL41
Based on 75 sales registered with HM Land Registry in the last 12 months, the median sold price in LL41 is £115,000, down 8.0% on the previous year (£125,000).
Detached
£168,000
16 sales
Semi-detached
£135,000
8 sales
Terraced
£110,000
45 sales
Latest recorded sales in LL41
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 30 Apr 2026 | £130,000 | Terraced | Geufron Terrace | LL41 3BW |
| 27 Apr 2026 | £145,000 | Terraced | Belle Vue | LL41 4NU |
| 21 Apr 2026 | £177,000 | Semi-detached | Glanrafon Bodychain | LL41 3RP |
| 20 Apr 2026 | £97,000 | Terraced | Pen Y Garreg | LL41 4UE |
| 7 Apr 2026 | £74,000 | Terraced | Church Street | LL41 3HB |
| 7 Apr 2026 | £118,000 | Terraced | Frongaled | LL41 4UL |
| 30 Mar 2026 | £168,000 | Detached | Manod Road | LL41 4AF |
| 23 Mar 2026 | £105,000 | Terraced | Isfryn Terrace | LL41 4DF |
| 20 Mar 2026 | £81,500 | Detached | Trawsfynydd Holiday Village | LL41 4YB |
| 10 Mar 2026 | £140,000 | Semi-detached | Cefn Gwyn | LL41 4SG |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
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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 LL41
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Bro Cynfal | Not applicable | — | — | LL41 4NF |
| Ysgol Edmwnd Prys | Not applicable | — | — | LL41 4DY |
| Ysgol Y Manod | Not applicable | — | — | LL41 3AF |
| Ysgol Gynradd Tanygrisiau | Not applicable | — | — | LL41 3SU |
| Ysgol Bro Hedd Wyn | Not applicable | — | — | LL41 4SE |
| Ysgol Maenofferen | Not applicable | — | — | LL41 3DL |
| Ysgol Y Moelwyn | Not applicable | — | — | LL41 3DW |
| Llechan Lân Centres | Not applicable | — | — | LL41 3DW |
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 LL41
83 rated food businesses operate in LL41. 72 hold the top rating of 5, 2 are rated 4, and 1 are rated 2 or below.
Among the 5-rated: A T Newsagents Ltd, Aramark @ NRS Trawsfynydd Catering, Bryn Arms, Bryn Blodau, Burrito Blasus.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL41
From a sample of 72 Energy Performance Certificates across 11 LL41 postcodes, the most common rating is band E (average band E). 11% of sampled homes are rated C or better.
Band C
11%
Band D
32%
Band E
35%
Band F
15%
Band G
7%
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 LL41 typically use:
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What's it like living in LL41?
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Moving to LL41? Sort your connectivity first
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Postcodes in LL41
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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.