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Seiont Mill Road, Caernarfon

MyStreetCheck free street report: Seiont Mill Road, Caernarfon · 30 October 2026 · www.mystreetcheck.co.uk/caernarfon-gwynedd/seiont-mill-road/

House prices, sold prices and local information for LL55 2YL.

Average price (last 12 months)
–
0 sales
Average price (since 2018)
£360,000
4 sales
Price range
£225k – £425k
lowest to highest sale
Last sale
13 Jul 2023
LL55 2YL

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At a glance

4 property sales on Seiont Mill Road, Caernarfon have been recorded by HM Land Registry since 2018. The most recent sale was on 13 Jul 2023. Most sales here are detached homes, which have sold for an average of £412,500. By property type, sales here have been 50% detached, 25% terraced, 25% semi-detached. Recorded sale prices on Seiont Mill Road range from £225,000 to £425,000. Every home sold here was sold freehold.

House prices on Seiont Mill Road compared

LL55 postcode area£213,716
Caernarfon£197,763
England & Wales£358,701

Average sale price over the last 12 months. Seiont Mill Road has had fewer than two sales in that time, so it is left out. See all LL55 house prices.

Average sale price by year

2018: £400,000 (1 sales)2018£400k2020: £225,000 (1 sales)2020£225k2022: £390,000 (1 sales)2022£390k2023: £425,000 (1 sales)2023£425k

Tenure: 100% freehold and 0% leasehold across 4 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Detached2£412,50013 Jul 2023
Terraced1£225,0008 Sep 2020
Semi-detached1£390,00025 Feb 2022

Sold prices on Seiont Mill Road

AddressDatePriceTypeTenure
Lle Dwigan, Seiont Mill Road LL55 2YL 13 Jul 2023£425,000 DetachedFreehold
Melin Fro, Seiont Mill Road LL55 2YL 25 Feb 2022£390,000 Semi-detachedFreehold
Minafon, Seiont Mill Road LL55 2YL 8 Sep 2020£225,000 TerracedFreehold
Llys Seiont, Seiont Mill Road LL55 2YL 18 Jul 2018£400,000 DetachedFreehold

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.

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Getting around, shops and health

Train, tram & metro stations

  • Caernarfon (Welsh Highland Rly-Caernarfon) 0.7 mi · 14 min walk
  • Dinas (Welsh Highland Rly-Caernarfon) 1.8 mi · 36 min walk

Nearest bus stops

  • Ysbyty Eryri (o/s, South Road) 2 min walk
  • Parc Muriau (before, Pwllheli Road) 4 min walk
  • Parc Muriau (ad, Pwllheli Road) 4 min walk
  • Lon Oleuwen (before, Ffordd Eryri) 5 min walk

GP surgeries

  • Meddygfa Hafan
    Doc Fictoria, Caernarfon · 1.2 mi
  • Primary Care Cs
    Eryldon, Campbell Road, Caernarfon · 1.2 mi
  • Liverpool House
    Waunfawr, Caernarfon · 2.6 mi
  • The Health Centre
    Dwyran, Llanfairpwllgwyngyll · 3.5 mi

Supermarkets

  • Tesco Tesco Caernarfon Superstore · 0.5 mi
  • Spar Spar - Llanberis Road · 0.8 mi
  • Spar Spar - Caernarfon · 0.9 mi
  • Iceland Iceland Caernarfon · 0.9 mi

Pharmacies

  • Boots · 0.8 mi
  • Rowlands Pharmacy · 0.9 mi

Dentists

  • Unit 1e · 1.0 mi
  • Dannadd Davies Dental Practice · 1.1 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

HereEng & Wales
Owned72.8%62.5%
Private rented5.7%20.3%
Social rented21.3%17.1%
Households648

People

HereEng & Wales
Under 1519.9%17.4%
Aged 15–6460.5%64.1%
Aged 65+19.6%18.6%
Residents1,598

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)100%80%
Gigabit-capable100%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

HereEng & Wales
4G indoors, all 4 networks69%89%
4G indoors, at least 1 network98%100%
4G outdoors, all 4 networks94%99%
Calls indoors, all 4 networks80%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 Seiont Mill Road

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Who lives around Seiont Mill Road

Ethnic group

HereGwynedd
White98.2%96.2%
Mixed or Multiple ethnic groups0.9%1.1%
Asian, Asian British or Asian Welsh0.4%1.7%
Other ethnic group0.3%0.5%
Black, Black British, Black Welsh, Caribbean or African0.1%0.4%

Religion

HereGwynedd
Christian52.2%46.2%
No religion41%44.2%
Not answered6.3%7.3%
Buddhist0.3%0.4%
Other religion0.2%0.7%
Hindu0.1%0.2%
Muslim0.1%1%
Jewish0%0.1%

Country of birth

HereGwynedd
Born in the UK97.4%94.6%
Born outside the UK2.6%5.4%

Highest qualification

HereGwynedd
Level 4 qualifications and above30.4%34.5%
No qualifications18.8%16.3%
Level 3 qualifications16.8%18.7%
Level 2 qualifications16.5%14.6%
Level 1 and entry level qualifications9.6%7.6%
Apprenticeship6.3%5.8%
Other qualifications1.7%2.5%

General health

HereGwynedd
Very good health54.4%49.9%
Good health30%31.6%
Fair health11.8%13.3%
Bad health2.8%4%
Very bad health1.1%1.1%

Cars or vans per household

HereGwynedd
1 car or van in household43.1%41.9%
2 cars or vans in household32.3%28.1%
No cars or vans in household15.4%17.7%
3 or more cars or vans in household9.2%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 Seiont Mill Road

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Planning applications near Seiont Mill Road

Recent planning applications around Seiont Mill Road from the council's planning register. Choose how far to look:

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Council tax here

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Nearby streets in LL55

See all streets in Caernarfon All streets in LL55