Cwm Silyn, Caernarfon
House prices, sold prices and local information for LL55 2AG.
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At a glance
3 property sales on Cwm Silyn, Caernarfon have been recorded by HM Land Registry since 2016. The most recent sale was on 15 Dec 2023. Most sales here are detached homes, which have sold for an average of £208,000. By property type, sales here have been 67% detached, 33% semi-detached. Recorded sale prices on Cwm Silyn range from £166,000 to £250,000. Every home sold here was sold freehold.
House prices on Cwm Silyn compared
Average sale price over the last 12 months. Cwm Silyn has had fewer than two sales in that time, so it is left out. See all LL55 house prices.
Average sale price by year
Tenure: 100% freehold and 0% leasehold across 3 recorded sales.
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Detached | 2 | £208,000 | 15 Dec 2023 |
| Semi-detached | 1 | £177,000 | 31 Aug 2018 |
Sold prices on Cwm Silyn
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 26, Cwm Silyn LL55 2AG | 15 Dec 2023 | £250,000 | Detached | Freehold |
| 17, Cwm Silyn LL55 2AG | 31 Aug 2018 | £177,000 | Semi-detached | Freehold |
| 21, Cwm Silyn LL55 2AG | 15 Jul 2016 | £166,000 | Detached | Freehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Buying on Cwm Silyn?
Getting around, shops and health
Train, tram & metro stations
- Caernarfon (Welsh Highland Rly-Caernarfon) 0.5 mi · 11 min walk
- Dinas (Welsh Highland Rly-Caernarfon) 2.1 mi · 41 min walk
Nearest bus stops
- Cwm Silyn (before, Tyddyn Llwydyn) 1 min walk
- Moel Eilio (before, Caeau Bach) 1 min walk
- Lon Cilgwyn (after, Tyddyn Llwydyn) 2 min walk
- Lon Oleuwen (before, Ffordd Eryri) 3 min walk
GP surgeries
- Primary Care Cs
Eryldon, Campbell Road, Caernarfon · 1.0 mi - Meddygfa Hafan
Doc Fictoria, Caernarfon · 1.0 mi - Liverpool House
Waunfawr, Caernarfon · 2.7 mi - The Health Centre
Dwyran, Llanfairpwllgwyngyll · 3.4 mi
Supermarkets
- Tesco Tesco Caernarfon Superstore · 0.4 mi
- Spar Spar - Llanberis Road · 0.5 mi
- Spar Spar - Caernarfon · 0.7 mi
- Iceland Iceland Caernarfon · 0.7 mi
Pharmacies
- Boots · 0.6 mi
- Rowlands Pharmacy · 0.7 mi
Dentists
- Unit 1e · 0.7 mi
- Dannadd Davies Dental Practice · 0.9 mi
Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 72.8% | 62.5% |
| Private rented | 5.7% | 20.3% |
| Social rented | 21.3% | 17.1% |
| Households | 648 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 19.9% | 17.4% |
| Aged 15–64 | 60.5% | 64.1% |
| Aged 65+ | 19.6% | 18.6% |
| Residents | 1,598 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Mobile signal
| Here | Eng & Wales | |
|---|---|---|
| 4G indoors, all 4 networks | 69% | 89% |
| 4G indoors, at least 1 network | 98% | 100% |
| 4G outdoors, all 4 networks | 94% | 99% |
| Calls indoors, all 4 networks | 80% | 92% |
Share of homes across Gwynedd with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Energy ratings and home sizes on Cwm Silyn
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Who lives around Cwm Silyn
Ethnic group
| Here | Gwynedd | |
|---|---|---|
| White | 98.2% | 96.2% |
| Mixed or Multiple ethnic groups | 0.9% | 1.1% |
| Asian, Asian British or Asian Welsh | 0.4% | 1.7% |
| Other ethnic group | 0.3% | 0.5% |
| Black, Black British, Black Welsh, Caribbean or African | 0.1% | 0.4% |
Religion
| Here | Gwynedd | |
|---|---|---|
| Christian | 52.2% | 46.2% |
| No religion | 41% | 44.2% |
| Not answered | 6.3% | 7.3% |
| Buddhist | 0.3% | 0.4% |
| Other religion | 0.2% | 0.7% |
| Hindu | 0.1% | 0.2% |
| Muslim | 0.1% | 1% |
| Jewish | 0% | 0.1% |
Country of birth
| Here | Gwynedd | |
|---|---|---|
| Born in the UK | 97.4% | 94.6% |
| Born outside the UK | 2.6% | 5.4% |
Highest qualification
| Here | Gwynedd | |
|---|---|---|
| Level 4 qualifications and above | 30.4% | 34.5% |
| No qualifications | 18.8% | 16.3% |
| Level 3 qualifications | 16.8% | 18.7% |
| Level 2 qualifications | 16.5% | 14.6% |
| Level 1 and entry level qualifications | 9.6% | 7.6% |
| Apprenticeship | 6.3% | 5.8% |
| Other qualifications | 1.7% | 2.5% |
General health
| Here | Gwynedd | |
|---|---|---|
| Very good health | 54.4% | 49.9% |
| Good health | 30% | 31.6% |
| Fair health | 11.8% | 13.3% |
| Bad health | 2.8% | 4% |
| Very bad health | 1.1% | 1.1% |
Cars or vans per household
| Here | Gwynedd | |
|---|---|---|
| 1 car or van in household | 43.1% | 41.9% |
| 2 cars or vans in household | 32.3% | 28.1% |
| No cars or vans in household | 15.4% | 17.7% |
| 3 or more cars or vans in household | 9.2% | 12.4% |
Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.
Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Gwynedd.
Planning and heritage near Cwm Silyn
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Noise, radon and ground hazards
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Planning applications near Cwm Silyn
Recent planning applications around Cwm Silyn from the council's planning register. Choose how far to look:
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Thinking of selling on Cwm Silyn?
What's my home worth?
Get an instant estimate from what you paid and how prices in Gwynedd have moved since.
Council tax here
Gwynedd Band D is £2,469 a year (Band A £1,646). See every band.
Estate agents near Cwm Silyn
- Dafydd Hardy Estate Agents 0.7 mi
Agent locations © OpenStreetMap contributors. More local agents
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