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Lon Y Llwyn, Nelson, Treharris

MyStreetCheck free street report: Lon Y Llwyn, Nelson, Treharris · 30 October 2026 · www.mystreetcheck.co.uk/treharris-caerphilly/lon-y-llwyn/

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

Average price (last 12 months)
–
0 sales
Average price (since 2019)
£102,670
4 sales
Price range
£62k – £165k
lowest to highest sale
Last sale
21 Jun 2023
CF46 6HU

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At a glance

4 property sales on Lon Y Llwyn, Nelson, Treharris have been recorded by HM Land Registry since 2019. The most recent sale was on 21 Jun 2023. Most sales here are semi-detached homes, which have sold for an average of £102,670. 1 home here has sold more than once since 2019; 0 of them sold for more the second time. Recorded sale prices on Lon Y Llwyn range from £61,500 to £165,000. 80% of homes sold here were freehold and 20% leasehold.

House prices on Lon Y Llwyn compared

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

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

Average sale price by year

2019: £91,590 (2 sales)2019£92k2021: £165,000 (1 sales)2021£165k2023: £62,500 (1 sales)2023£63k

Tenure: 80% freehold and 20% leasehold across 5 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Semi-detached4£102,67021 Jun 2023

Sold prices on Lon Y Llwyn

AddressDatePriceTypeTenure
13, Lon Y Llwyn CF46 6HU 21 Jun 2023£62,500 Semi-detachedFreehold
10, Lon Y Llwyn CF46 6HU 12 Feb 2021£165,000 Semi-detachedFreehold
13, Lon Y Llwyn CF46 6HU 9 Dec 2019£61,500 Semi-detachedFreehold
13, Lon Y Llwyn CF46 6HU 29 Nov 2019£172,000 Semi-detachedFreehold
13, Lon Y Llwyn CF46 6HU 28 Nov 2019£121,680 Semi-detachedLeasehold

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

AddressSalesChange
13, Lon Y Llwyn £121,680 (Nov 2019) → £62,500 (Jun 2023) -49%
over 4 yrs

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Crime and flood risk near Lon Y Llwyn

Crime

59 crimes were reported within about a mile of Lon Y Llwyn in August 2026.

Violence & sexual offences15
Anti-social behaviour13
Other theft7
Criminal damage & arson6
Shoplifting5
Public order4

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

Flood risk

Lon Y Llwyn 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 1.4 mi · 29 min walk
  • Abercynon station 1.8 mi · 35 min walk
  • Ystrad Mynach station 2.3 mi · 47 min walk

Nearest bus stops

  • Llancaiach View (before, Shingrig Road) 4 min walk
  • Llancaiach View (after, Shingrig Road) 4 min walk
  • The Hollybush (after, High Street) 4 min walk
  • Bryncelyn Junction (before, High Street) 4 min walk

GP surgeries

  • Nelson Surgery
    Bryncelyn, Nelson, Treharris · 0.3 mi
  • Treharris Primary Care Centre
    Fox Street, Treharris · 1.0 mi
  • Abercynon Medical Centre
    Ynysmeurig Road, Abercynon, Mountain Ash · 1.6 mi
  • Meddygfa Gelligaer Surgery
    Heol Hen Ysgol, Gelligaer, Hengoed · 1.9 mi

Supermarkets

  • The Co-operative Food Co-op Nelson · 0.4 mi
  • Aldi Aldi Mafon Road, Nelson, Treharris · 0.5 mi
  • The Co-operative Food Co-op Treharris · 0.9 mi
  • Spar PFS Spar Certas - Treharris · 1.2 mi

Pharmacies

  • Knights Nelson Pharmacy · 0.5 mi
  • Well · 1.0 mi
  • Knights Abercynon Pharmacy · 1.7 mi

Dentists

  • Dental Surgery · 0.4 mi
  • Treharris Dental Clinic · 1.0 mi
  • Cwm Taf Morgannwg Uhb · 1.0 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
Owned77.8%62.5%
Private rented8.6%20.3%
Social rented13.6%17.1%
Households640

People

HereEng & Wales
Under 1516.6%17.4%
Aged 15–6462.1%64.1%
Aged 65+21.3%18.6%
Residents1,521

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 Lon Y Llwyn

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Who lives around Lon Y Llwyn

Ethnic group

HereCaerphilly
White98.5%97.7%
Mixed or Multiple ethnic groups0.7%1%
Asian, Asian British or Asian Welsh0.3%0.9%
Black, Black British, Black Welsh, Caribbean or African0.3%0.2%
Other ethnic group0.2%0.2%

Religion

HereCaerphilly
No religion53.9%56.7%
Christian40%36.4%
Not answered5.3%5.7%
Muslim0.3%0.3%
Other religion0.3%0.4%
Buddhist0.1%0.2%
Hindu0%0.1%
Jewish0%–

Country of birth

HereCaerphilly
Born in the UK98.4%97.1%
Born outside the UK1.6%2.9%

Highest qualification

HereCaerphilly
Level 4 qualifications and above26.6%25.3%
No qualifications22.4%24.1%
Level 3 qualifications19.5%16.8%
Level 2 qualifications15.3%15.5%
Level 1 and entry level qualifications8.3%10.1%
Apprenticeship5.8%5.5%
Other qualifications2.2%2.7%

General health

HereCaerphilly
Very good health46.6%43.7%
Good health31.2%32.1%
Fair health15.2%15.7%
Bad health5.1%6.4%
Very bad health1.9%2.1%

Cars or vans per household

HereCaerphilly
1 car or van in household42%41.8%
2 cars or vans in household31.3%27.7%
3 or more cars or vans in household14.5%10.2%
No cars or vans in household12.2%20.3%

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 Lon Y Llwyn

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Noise, radon and ground hazards

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Planning applications near Lon Y Llwyn

Recent planning applications around Lon Y Llwyn 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 Lon Y Llwyn

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Nearby streets in CF46

See all streets in Treharris All streets in CF46