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Castle Street, Caernarfon

MyStreetCheck free street report: Castle Street, Caernarfon · 30 October 2026 · www.mystreetcheck.co.uk/caernarfon-gwynedd/castle-street/

House prices, sold prices and local information for LL55 1SE.

Average price (last 12 months)
–
0 sales
Average price (since 2021)
£205,000
3 sales
Price range
£160k – £235k
lowest to highest sale
Last sale
1 Jul 2025
LL55 1SE

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At a glance

3 property sales on Castle Street, Caernarfon have been recorded by HM Land Registry since 2021. The most recent sale was on 1 Jul 2025. Most sales here are terraced homes, which have sold for an average of £205,000. Recorded sale prices on Castle Street range from £160,000 to £235,000. Every home sold here was sold freehold.

House prices on Castle Street compared

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

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

Average sale price by year

2021: £220,000 (1 sales)2021£220k2022: £235,000 (1 sales)2022£235k2025: £160,000 (1 sales)2025£160k

Tenure: 100% freehold and 0% leasehold across 6 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Terraced3£205,0001 Jul 2025

Sold prices on Castle Street

AddressDatePriceTypeTenure
4, Castle Street LL55 1SE 1 Jul 2025£160,000 TerracedFreehold
Ty Madog, 13, Castle Street LL55 1SE 15 Jul 2022£235,000 TerracedFreehold
15, Castle Street LL55 1SE 9 Aug 2021£220,000 TerracedFreehold
11, Castle Street LL55 1SE 8 Oct 2020£187,500 TerracedFreehold
Llys Amaeth, 2, Castle Street LL55 1SE 22 Jun 2018£379,000 TerracedFreehold
1, Castle Street LL55 1SE 12 Aug 2016£169,950 OtherFreehold

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) 0.3 mi · 6 min walk

Nearest bus stops

  • Turf Square (after, Bangor Street) 2 min walk
  • Asda C (at, Bangor Street) 5 min walk
  • Asda A (at, Bangor Street) 5 min walk
  • Asda B (at, Bangor Street) 5 min walk

GP surgeries

  • Meddygfa Hafan
    Doc Fictoria, Caernarfon · 0.3 mi
  • Primary Care Cs
    Eryldon, Campbell Road, Caernarfon · 0.6 mi
  • The Health Centre
    Dwyran, Llanfairpwllgwyngyll · 2.6 mi
  • Felinheli&Porthaethwy Su
    Rowen, Y Felinheli · 3.7 mi

Supermarkets

  • Spar Spar - Caernarfon · 0.1 mi
  • Iceland Iceland Caernarfon · 0.1 mi
  • Asda Supermarket Asda Caernarfon Supermarket · 0.2 mi
  • Morrisons Morrisons Caernarfon · 0.3 mi

Pharmacies

  • Rowlands Pharmacy · 0.1 mi
  • Boots · 0.2 mi

Dentists

  • Dannadd Davies Dental Practice · 0.2 mi
  • Unit 1e · 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
Owned50.7%62.5%
Private rented24.7%20.3%
Social rented23.9%17.1%
Households744

People

HereEng & Wales
Under 1513.4%17.4%
Aged 15–6461.1%64.1%
Aged 65+25.5%18.6%
Residents1,561

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 Castle Street

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Who lives around Castle Street

Ethnic group

HereGwynedd
White97.1%96.2%
Asian, Asian British or Asian Welsh1.3%1.7%
Mixed or Multiple ethnic groups1.2%1.1%
Other ethnic group0.4%0.5%
Black, Black British, Black Welsh, Caribbean or African0.1%0.4%

Religion

HereGwynedd
Christian46.4%46.2%
No religion44.8%44.2%
Not answered7.3%7.3%
Muslim0.9%1%
Other religion0.4%0.7%
Buddhist0.2%0.4%
Hindu0.1%0.2%
Jewish0%0.1%

Country of birth

HereGwynedd
Born in the UK93.5%94.6%
Born outside the UK6.5%5.4%

Highest qualification

HereGwynedd
Level 4 qualifications and above31%34.5%
Level 2 qualifications19.8%14.6%
No qualifications19.6%16.3%
Level 3 qualifications12.8%18.7%
Level 1 and entry level qualifications8.5%7.6%
Apprenticeship6.2%5.8%
Other qualifications2.1%2.5%

General health

HereGwynedd
Very good health42.2%49.9%
Good health31.1%31.6%
Fair health15.5%13.3%
Bad health7.3%4%
Very bad health4%1.1%

Cars or vans per household

HereGwynedd
1 car or van in household43%41.9%
No cars or vans in household33%17.7%
2 cars or vans in household20.5%28.1%
3 or more cars or vans in household3.5%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 Castle Street

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Noise, radon and ground hazards

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Planning applications near Castle Street

Recent planning applications around Castle Street from the council's planning register. Choose how far to look:

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Council tax here

Gwynedd Band D is £2,469 a year (Band A £1,646). See every band.

Estate agents near Castle Street

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Nearby streets in LL55

See all streets in Caernarfon All streets in LL55