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Gwaun Llwyfen, Nelson, Treharris

MyStreetCheck free street report: Gwaun Llwyfen, Nelson, Treharris · 30 October 2026 · www.mystreetcheck.co.uk/treharris-caerphilly/gwaun-llwyfen/

House prices, sold prices and local information for CF46 6HY.

Average price (last 12 months)
–
0 sales
Average price (since 2021)
£345,000
2 sales
Price range
£330k – £360k
lowest to highest sale
Last sale
21 Feb 2025
CF46 6HY

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At a glance

2 property sales on Gwaun Llwyfen, Nelson, Treharris have been recorded by HM Land Registry since 2021. The most recent sale was on 21 Feb 2025. Most sales here are detached homes, which have sold for an average of £345,000.

House prices on Gwaun Llwyfen compared

CF46 postcode area£200,203
Treharris£216,204
England & Wales£358,701

Average sale price over the last 12 months. Gwaun Llwyfen has had fewer than two sales in that time, so it is left out. See all CF46 house prices.

Average sale price by year

2021: £360,000 (1 sales)2021£360k2025: £330,000 (1 sales)2025£330k

Prices by property type

TypeSalesAverage priceLast sold
Detached2£345,00021 Feb 2025

Sold prices on Gwaun Llwyfen

AddressDatePriceTypeTenure
5, Gwaun Llwyfen CF46 6HY 21 Feb 2025£330,000 DetachedFreehold
6, Gwaun Llwyfen CF46 6HY 17 Nov 2021£360,000 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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Crime and flood risk near Gwaun Llwyfen

Crime

32 crimes were reported within about a mile of Gwaun Llwyfen in August 2026.

Violence & sexual offences11
Anti-social behaviour8
Criminal damage & arson4
Other theft3
Vehicle crime3
Public order2

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Flood risk

Gwaun Llwyfen 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

  • Quakers Yard station 1.8 mi · 36 min walk
  • Abercynon station 1.9 mi · 38 min walk
  • Ystrad Mynach station 2.0 mi · 39 min walk

Nearest bus stops

  • Cae'r Gelynnen (before, Crossfield Road) 2 min walk
  • Cae'r Gelynnen (opp, Crossfield Road) 2 min walk
  • Bryncelyn Community Centre (o/s, Heol Islwyn) 4 min walk
  • Co-op (o/s, Mafon Road) 4 min walk

GP surgeries

  • Nelson Surgery
    Bryncelyn, Nelson, Treharris · 0.3 mi
  • Treharris Primary Care Centre
    Fox Street, Treharris · 1.4 mi
  • Meddygfa Gelligaer Surgery
    Heol Hen Ysgol, Gelligaer, Hengoed · 1.8 mi
  • Abercynon Medical Centre
    Ynysmeurig Road, Abercynon, Mountain Ash · 1.8 mi

Supermarkets

  • The Co-operative Food Co-op Nelson · 0.2 mi
  • Aldi Aldi Mafon Road, Nelson, Treharris · 0.3 mi
  • The Co-operative Food Co-op Treharris · 1.4 mi
  • Spar PFS Spar Certas - Treharris · 1.7 mi

Pharmacies

  • Knights Nelson Pharmacy · 0.2 mi
  • Well · 1.4 mi
  • Complete Care Pharmacy · 1.7 mi

Dentists

  • Dental Surgery · 0.2 mi
  • Treharris Dental Clinic · 1.4 mi
  • Cwm Taf Morgannwg Uhb · 1.4 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
Owned63.7%62.5%
Private rented9.6%20.3%
Social rented26.4%17.1%
Households678

People

HereEng & Wales
Under 1514.1%17.4%
Aged 15–6456.5%64.1%
Aged 65+29.5%18.6%
Residents1,500

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 networks94%89%
4G indoors, at least 1 network100%100%
4G outdoors, all 4 networks100%99%
Calls indoors, all 4 networks96%92%

Share of homes across Caerphilly 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 Gwaun Llwyfen

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Who lives around Gwaun Llwyfen

Ethnic group

HereCaerphilly
White98.5%97.7%
Asian, Asian British or Asian Welsh0.9%0.9%
Mixed or Multiple ethnic groups0.3%1%
Black, Black British, Black Welsh, Caribbean or African0.2%0.2%
Other ethnic group0.1%0.2%

Religion

HereCaerphilly
No religion52%56.7%
Christian40.4%36.4%
Not answered6.9%5.7%
Other religion0.4%0.4%
Muslim0.2%0.3%
Buddhist0.1%0.2%
Jewish0.1%–
Hindu0%0.1%

Country of birth

HereCaerphilly
Born in the UK97.7%97.1%
Born outside the UK2.3%2.9%

Highest qualification

HereCaerphilly
No qualifications31.6%24.1%
Level 4 qualifications and above25%25.3%
Level 2 qualifications12.7%15.5%
Level 3 qualifications12.6%16.8%
Level 1 and entry level qualifications10%10.1%
Apprenticeship5.1%5.5%
Other qualifications3%2.7%

General health

HereCaerphilly
Very good health37.5%43.7%
Good health31.2%32.1%
Fair health19.6%15.7%
Bad health8.7%6.4%
Very bad health2.9%2.1%

Cars or vans per household

HereCaerphilly
1 car or van in household42%41.8%
2 cars or vans in household26.4%27.7%
No cars or vans in household22.6%20.3%
3 or more cars or vans in household9%10.2%

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 Caerphilly.

Planning and heritage near Gwaun Llwyfen

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Noise, radon and ground hazards

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Planning applications near Gwaun Llwyfen

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

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Council tax here

Caerphilly Band D is £2,083 a year (Band A £1,389). See every band.

Estate agents near Gwaun Llwyfen

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Nearby streets in CF46

See all streets in Treharris All streets in CF46