Trefenai, Brynsiencyn, Llanfairpwllgwyngyll
House prices, sold prices and local information for LL61 6RZ.
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At a glance
5 property sales on Trefenai, Brynsiencyn, Llanfairpwllgwyngyll have been recorded by HM Land Registry since 2018. The most recent sale was on 21 Mar 2024. Most sales here are semi-detached homes, which have sold for an average of £125,750. 1 home here has sold more than once since 2018; 1 of them sold for more the second time. By property type, sales here have been 80% semi-detached, 20% terraced. Recorded sale prices on Trefenai range from £110,000 to £144,000. Every home sold here was sold freehold.
House prices on Trefenai compared
Average sale price over the last 12 months. Trefenai has had fewer than two sales in that time, so it is left out. See all LL61 house prices.
Average sale price by year
Tenure: 100% freehold and 0% leasehold across 6 recorded sales.
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Semi-detached | 4 | £125,750 | 21 Mar 2024 |
| Terraced | 1 | £130,000 | 30 Nov 2021 |
Sold prices on Trefenai
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 3, Trefenai LL61 6RZ | 21 Mar 2024 | £137,000 | Semi-detached | Freehold |
| 18, Trefenai LL61 6RZ | 25 Aug 2023 | £144,000 | Semi-detached | Freehold |
| 4, Trefenai LL61 6RZ | 30 Nov 2021 | £130,000 | Terraced | Freehold |
| 2, Trefenai LL61 6RZ | 23 Jan 2020 | £112,000 | Semi-detached | Freehold |
| 3, Trefenai LL61 6RZ | 7 Sep 2018 | £110,000 | Semi-detached | Freehold |
| Eryri, Trefenai LL61 6RZ | 2 Mar 2018 | £178,000 | Terraced | 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.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| 3, Trefenai | £110,000 (Sep 2018) → £137,000 (Mar 2024) | +25% over 6 yrs |
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Crime and flood risk near Trefenai
Crime
9 crimes were reported within about a mile of Trefenai in August 2026.
| Violence & sexual offences | 6 |
| Anti-social behaviour | 2 |
| Public order | 1 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
Trefenai is not in or near any Environment Agency flood warning or alert area.
Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.
Getting around, shops and health
Train stations
- Llanfairpwll station 4.0 mi · 1 hr 19 min walk
Nearest bus stops
- Groeslon Hotel (opp, A4080) 3 min walk
- Post Office (after, A4080) 4 min walk
- Groeslon Hotel (o/s, A4080) 4 min walk
- Post Office (opp, A4080) 5 min walk
GP surgeries
- The Health Centre
Dwyran, Llanfairpwllgwyngyll · 2.1 mi - Primary Care Cs
Eryldon, Campbell Road, Caernarfon · 2.2 mi - Felinheli&Porthaethwy Su
Rowen, Y Felinheli · 2.3 mi - Meddygfa Hafan
Doc Fictoria, Caernarfon · 2.3 mi
Supermarkets
- Morrisons Morrisons Caernarfon · 2.3 mi
- Asda Supermarket Asda Caernarfon Supermarket · 2.4 mi
- Iceland Iceland Caernarfon · 2.6 mi
- Spar Spar - Llanberis Road · 2.6 mi
Dentists
- Dannadd Davies Dental Practice · 2.4 mi
- Unit 1e · 2.8 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 | 69.4% | 62.5% |
| Private rented | 16.2% | 20.3% |
| Social rented | 14.2% | 17.1% |
| Households | 782 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 16.0% | 17.4% |
| Aged 15–64 | 58.6% | 64.1% |
| Aged 65+ | 25.4% | 18.6% |
| Residents | 1,857 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 0% | 80% |
| Gigabit-capable | 0% | 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 | 53% | 89% |
| 4G indoors, at least 1 network | 99% | 100% |
| 4G outdoors, all 4 networks | 94% | 99% |
| Calls indoors, all 4 networks | 70% | 92% |
Share of homes across Isle of Anglesey 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 Trefenai
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Who lives around Trefenai
Ethnic group
| Here | Isle of Anglesey | |
|---|---|---|
| White | 97.9% | 98.1% |
| Mixed or Multiple ethnic groups | 1.6% | 0.9% |
| Asian, Asian British or Asian Welsh | 0.4% | 0.6% |
| Black, Black British, Black Welsh, Caribbean or African | 0.1% | 0.2% |
| Other ethnic group | 0.1% | 0.2% |
Religion
| Here | Isle of Anglesey | |
|---|---|---|
| Christian | 51.3% | 51.5% |
| No religion | 40.7% | 40.7% |
| Not answered | 7.2% | 6.5% |
| Other religion | 0.5% | 0.4% |
| Buddhist | 0.2% | 0.2% |
| Hindu | 0.1% | 0.1% |
| Muslim | 0.1% | 0.5% |
| Jewish | 0% | 0% |
Country of birth
| Here | Isle of Anglesey | |
|---|---|---|
| Born in the UK | 97% | 96.7% |
| Born outside the UK | 3% | 3.3% |
Highest qualification
| Here | Isle of Anglesey | |
|---|---|---|
| Level 4 qualifications and above | 36.7% | 32.3% |
| Level 3 qualifications | 16.9% | 17.4% |
| No qualifications | 16.2% | 18% |
| Level 2 qualifications | 14.7% | 14.8% |
| Level 1 and entry level qualifications | 7% | 8.4% |
| Apprenticeship | 6.4% | 6.6% |
| Other qualifications | 2.1% | 2.6% |
General health
| Here | Isle of Anglesey | |
|---|---|---|
| Very good health | 50.2% | 47.6% |
| Good health | 28.9% | 31.9% |
| Fair health | 15.6% | 14.8% |
| Bad health | 3.9% | 4.4% |
| Very bad health | 1.4% | 1.3% |
Cars or vans per household
| Here | Isle of Anglesey | |
|---|---|---|
| 1 car or van in household | 38.4% | 41.3% |
| 2 cars or vans in household | 35.9% | 30.5% |
| 3 or more cars or vans in household | 15.9% | 13.2% |
| No cars or vans in household | 9.9% | 15% |
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 Isle of Anglesey.
Planning and heritage near Trefenai
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Noise, radon and ground hazards
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Planning applications near Trefenai
Recent planning applications around Trefenai from the council's planning register. Choose how far to look:
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Get an instant estimate from what you paid and how prices in Isle of Anglesey have moved since.
Council tax here
Isle of Anglesey Band D is £2,261 a year (Band A £1,507). See every band.
Estate agents near Trefenai
- Dafydd Hardy Estate Agents 2.6 mi
Agent locations © OpenStreetMap contributors. More local agents
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