LL55 postcode area guide — Gwynedd
House prices, crime, broadband speeds, mobile signal, schools and demographics for the LL55 postcode district in Gwynedd — every official dataset on one page.
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Where is LL55?
Broadband & internet speeds in LL55
Strong coverage
Superfast (30Mb+)
92.5%
Ultrafast (300Mb+)
69%
Gigabit-capable
69%
Below USO (10Mb)
0.6%
Broadband availability in the LL55 postcode district (Gwynedd) is Strong — superfast is near-universal and gigabit is rolling out. Across the 726 postcodes Ofcom measures in LL55, superfast broadband (30 Mbit/s or faster) reaches 92.5% of premises and gigabit-capable lines are available to 69%.
Around 0.6% of premises in LL55 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 LL55
| Postcode | Superfast | Gigabit |
|---|---|---|
| LL55 1AB | 100% | 93.8% |
| LL55 1AF | 100% | 85% |
| LL55 1AG | 95.2% | 95.2% |
| LL55 1AJ | 100% | 100% |
| LL55 1AN | 100% | 100% |
| LL55 1AP | 0% | 0% |
| LL55 1AQ | 100% | 100% |
| LL55 1AR | 91.7% | 75% |
| LL55 1AS | 100% | 100% |
| LL55 1AT | 95.8% | 87.5% |
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 LL55
Police recorded 1 incidents within about a mile of the centre of LL55 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 1 | 100.0% |
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 LL55
Based on 195 sales registered with HM Land Registry in the last 12 months, the median sold price in LL55 is £202,500, up 3.8% on the previous year (£195,000).
Detached
£312,500
48 sales
Semi-detached
£221,500
56 sales
Terraced
£162,500
77 sales
Latest recorded sales in LL55
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 11 May 2026 | £210,000 | Terraced | Market Street | LL55 1RT |
| 8 May 2026 | £430,000 | Detached | LL55 3AD | |
| 1 May 2026 | £237,000 | Terraced | Charlotte Street | LL55 4ER |
| 1 May 2026 | £355,000 | Detached | LL55 3AL | |
| 30 Apr 2026 | £215,000 | Terraced | Vaynol Cottages | LL55 4TR |
| 30 Apr 2026 | £119,000 | Terraced | Marian Terrace | LL55 3HT |
| 30 Apr 2026 | £295,000 | Detached | Llys Y Waun | LL55 4ZA |
| 29 Apr 2026 | £370,000 | Detached | LL55 2TB | |
| 24 Apr 2026 | £195,000 | Terraced | Charlotte Street | LL55 4ER |
| 21 Apr 2026 | £55,000 | Other | LL55 2SH |
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 LL55
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Gwaun Gynfi | Not applicable | — | — | LL55 3LT |
| Ysgol Llanrug | Not applicable | — | — | LL55 4AL |
| Ysgol Gynradd Beddgelert | Not applicable | — | — | LL55 4UY |
| Ysgol Gynradd Bethel | Not applicable | — | — | LL55 1AX |
| Ysgol Y Gelli | Not applicable | — | — | LL55 1DU |
| Ysgol Dolbadarn | Not applicable | — | — | LL55 4SH |
| Ysgol Gymuned Penisarwaun | Not applicable | — | — | LL55 3BW |
| Ysgol Waunfawr | Not applicable | — | — | LL55 4LJ |
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 LL55
306 rated food businesses operate in LL55. 249 hold the top rating of 5, 20 are rated 4, and 6 are rated 2 or below.
Among the 5-rated: Above the Brine Ltd, Ainsworths, Alexandra Hotel, Allports Ltd, Alpine Lodge.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in LL55
From a sample of 170 Energy Performance Certificates across 11 LL55 postcodes, the most common rating is band C (average band D). 49% of sampled homes are rated C or better.
Band B
9%
Band C
41%
Band D
22%
Band E
16%
Band F
7%
Band G
5%
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 LL55 typically use:
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What's it like living in LL55?
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Moving to LL55? Sort your connectivity first
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Postcodes in LL55
Neighbouring districts
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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.