Lon Y Llyn, Caerphilly

House prices, sold prices and local information for CF83 1BY, CF83 1BX.

Average price (last 12 months)
£243,313
2 sales
Average price (since 2016)
£240,784
17 sales
Price range
£170k – £360k
lowest to highest sale
Last sale
15 May 2026
CF83 1BY

At a glance

House prices£243k average3% below the Caerphilly average Crime192 reportedWithin about a mile, latest month Flood riskNo flood warning areasFrom rivers or the sea Nearest station6 min walkAber station Ultrafast broadband100% of homesNational average 80%

17 property sales on Lon Y Llyn, Caerphilly have been recorded by HM Land Registry since 2016. In the last 12 months 2 homes sold here for an average of £243,313. Most sales here are detached homes, which have sold for an average of £273,389. That is 3% below the Caerphilly average of £251,590 over the same period. 7 homes here have sold more than once since 2016; 7 of them sold for more the second time.

House prices on Lon Y Llyn compared

Lon Y Llyn£243,313
CF83 postcode area£251,590
Caerphilly£251,590
England & Wales£356,718

Average sale price over the last 12 months. See all CF83 house prices.

Average sale price by year

2016: £184,000 (2 sales)2016£184k2018: £180,475 (2 sales)2018£180k2019: £215,000 (3 sales)2019£215k2021: £205,083 (3 sales)2021£205k2022: £330,000 (1 sales)2022£330k2023: £309,167 (3 sales)2023£309k2025: £315,500 (2 sales)2025£316k2026: £215,625 (1 sales)2026£216k

Prices by property type

TypeSalesAverage priceLast sold
Detached9£273,38918 Jul 2025
Semi-detached8£204,10315 May 2026

Sold prices on Lon Y Llyn

AddressDatePriceTypeTenure
28, Lon Y Llyn CF83 1BY 15 May 2026£215,625 Semi-detachedFreehold
6, Lon Y Llyn CF83 1BY 21 Nov 2025£271,000 Semi-detachedFreehold
Bourneville, 54, Lon Y Llyn CF83 1BX 18 Jul 2025£360,000 DetachedFreehold
Innisfree, 56, Lon Y Llyn CF83 1BX 12 Dec 2023£347,500 DetachedLeasehold
42, Lon Y Llyn CF83 1BX 1 Sep 2023£300,000 DetachedFreehold
Rosecroft, 58, Lon Y Llyn CF83 1BX 30 Mar 2023£280,000 DetachedFreehold
Innisfree, 56, Lon Y Llyn CF83 1BX 18 Nov 2022£330,000 DetachedFreehold
2, Lon Y Llyn CF83 1BY 22 Dec 2021£246,250 Semi-detachedFreehold
6, Lon Y Llyn CF83 1BY 18 May 2021£177,000 Semi-detachedFreehold
18, Lon Y Llyn CF83 1BY 7 May 2021£192,000 Semi-detachedFreehold
Bourneville, 54, Lon Y Llyn CF83 1BX 29 Nov 2019£210,000 DetachedFreehold
Rosary Cottage, Lon Y Llyn CF83 1BY 4 Oct 2019£265,000 DetachedFreehold
Moat House Inn, 30, Lon Y Llyn CF83 1BY 9 Aug 2019£554,098 OtherFreehold
28, Lon Y Llyn CF83 1BY 2 Aug 2019£170,000 Semi-detachedFreehold
Moat House Inn, 30, Lon Y Llyn CF83 1BY 19 Nov 2018£28,318 OtherLeasehold
18, Lon Y Llyn CF83 1BY 21 Jun 2018£176,000 Semi-detachedFreehold
14, Lon Y Llyn CF83 1BY 23 May 2018£184,950 Semi-detachedFreehold
The Moat House Inn, Lon Y Llyn CF83 1BY 31 Jul 2017£11,450,000 OtherFreehold
42, Lon Y Llyn CF83 1BX 11 Nov 2016£175,000 DetachedFreehold
Castle Peep, 60, Lon Y Llyn CF83 1BX 19 Jul 2016£193,000 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.

Sale history: homes sold more than once

AddressSalesChange
28, Lon Y Llyn £170,000 (Aug 2019) → £215,625 (May 2026) +27%
over 7 yrs
6, Lon Y Llyn £177,000 (May 2021) → £271,000 (Nov 2025) +53%
over 5 yrs
Bourneville, 54, Lon Y Llyn £210,000 (Nov 2019) → £360,000 (Jul 2025) +71%
over 6 yrs
Innisfree, 56, Lon Y Llyn £330,000 (Nov 2022) → £347,500 (Dec 2023) +5%
over 1 yr
42, Lon Y Llyn £175,000 (Nov 2016) → £300,000 (Sep 2023) +71%
over 7 yrs
18, Lon Y Llyn £176,000 (Jun 2018) → £192,000 (May 2021) +9%
over 3 yrs
Moat House Inn, 30, Lon Y Llyn £28,318 (Nov 2018) → £554,098 (Aug 2019) +1857%
over under a year

Buying on Lon Y Llyn?

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Crime and flood risk near Lon Y Llyn

Crime

192 crimes were reported within about a mile of Lon Y Llyn in August 2026.

Anti-social behaviour52
Violence & sexual offences48
Public order23
Shoplifting14
Criminal damage & arson12
Vehicle crime9

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

Flood risk

Lon Y Llyn 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 and local GPs

Train stations

  • Aber station 0.3 mi · 6 min walk
  • Caerphilly station 0.6 mi · 11 min walk
  • Energlyn & Churchill Park station 0.9 mi · 17 min walk

Nearest bus stops

  • Beech Tree View (after, Lon-y-llyn) 1 min walk
  • The Moat House (after, Lon-y-llyn) 1 min walk
  • The Moat House (before, Lon-y-llyn) 1 min walk
  • The Miners (adj, St Martin's Road) 2 min walk

GP surgeries

  • Nantgarw Road Medical Centre
    4 Beddau Way, Caerphilly · 0.6 mi
  • Market Street Practice
    Tonyfelin Medical Centre, Tonyfelin Surgery, Caerphilly · 0.8 mi
  • Court House Medical Centre
    Heol Bro Wen, Caerphilly · 1.1 mi
  • Ty Bryn Surgery
    The Bryn, Trethomas, Caerphilly · 2.4 mi

Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.

Area profile

Homes

HereEng & Wales
Owned88.8%62.5%
Private rented9.7%20.3%
Social rented1.6%17.1%
Households642

People

HereEng & Wales
Under 1512.1%17.4%
Aged 15–6454.7%64.1%
Aged 65+33.2%18.6%
Residents1,377

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.

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.

Nearby streets in CF83

See all streets in Caerphilly All streets in CF83