House prices in Lon Y Llyn, Caerphilly, CF83
32 homes have sold on Lon Y Llyn (CF83) since 1995, the first in 1995. Over the last five years the median sold price was £290,000 from 8 sales, 27% above the Caerphilly median of £228,500and against £228,000 across CF83. Sales here have been detached 59%, semi-detached 41%. Homes that sold twice within the last seven years gained a median +7.4% a year between sales.
- Median sold price
- £290,000
- last five years · 8 sales
- Half of sales were above this price, half below
- Price per sq ft
- £358
- based on 8 of 8 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 32
- 3 in the last 12 months
- Latest sale
- £215,625
- 15 May 2026
- vs Caerphilly
- +27%
- Caerphilly median £228,500
Every sale on Lon Y Llyn, CF83
› 28 CF83 1BY · Semi-detached £215,625· 15 May 2026 · 2 sales
| 15 May 2026 | £215,625 | Semi-detached · Freehold | 947 sq ft · £228/sq ft | +27% vs 2019 |
| 2 Aug 2019 | £170,000 | Semi-detached · Freehold | 947 sq ft · £179/sq ft | first recorded sale |
› 6 CF83 1BY · Semi-detached £271,000· 21 Nov 2025 · 2 sales
| 21 Nov 2025 | £271,000 | Semi-detached · Freehold | 893 sq ft · £303/sq ft | first recorded sale |
| 18 May 2021 | £177,000 | Semi-detached · Freehold | 893 sq ft · £198/sq ft | −35% vs 2025 |
› Bourneville, 54 CF83 1BX · Detached £360,000· 18 Jul 2025 · 2 sales
| 18 Jul 2025 | £360,000 | Detached · Freehold | 947 sq ft · £380/sq ft | first recorded sale |
| 29 Nov 2019 | £210,000 | Detached · Freehold | 947 sq ft · £222/sq ft | −42% vs 2025 |
› Innisfree, 56 CF83 1BX · Detached £347,500· 12 Dec 2023 · 2 sales
| 12 Dec 2023 | £347,500 | Detached · Leasehold | 947 sq ft · £367/sq ft | +5% vs 2022 |
| 18 Nov 2022 | £330,000 | Detached · Freehold | 947 sq ft · £348/sq ft | first recorded sale |
› 42 CF83 1BX · Detached £300,000· 1 Sept 2023 · 2 sales
| 1 Sept 2023 | £300,000 | Detached · Freehold | 786 sq ft · £382/sq ft | +71% vs 2016 |
| 11 Nov 2016 | £175,000 | Detached · Freehold | 786 sq ft · £223/sq ft | first recorded sale |
› Rosecroft, 58 CF83 1BX · Detached £280,000· 30 Mar 2023
| 30 Mar 2023 | £280,000 | Detached · Freehold | 710 sq ft · £394/sq ft | first recorded sale |
› 2 CF83 1BY · Semi-detached £246,250· 22 Dec 2021
| 22 Dec 2021 | £246,250 | Semi-detached · Freehold | 958 sq ft · £257/sq ft | first recorded sale |
› 18 CF83 1BY · Semi-detached £192,000· 7 May 2021 · 2 sales
| 7 May 2021 | £192,000 | Semi-detached · Freehold | 893 sq ft · £215/sq ft | first recorded sale |
| 21 Jun 2018 | £176,000 | Semi-detached · Freehold | 893 sq ft · £197/sq ft | −8% vs 2021 |
› Rosary Cottage CF83 1BY · Detached £265,000· 4 Oct 2019
| 4 Oct 2019 | £265,000 | Detached · Freehold | first recorded sale |
› 14 CF83 1BY · Semi-detached £184,950· 23 May 2018 · 2 sales
| 23 May 2018 | £184,950 | Semi-detached · Freehold | 947 sq ft · £195/sq ft | +42% vs 2006 |
| 23 Jun 2006 | £130,000 | Semi-detached · Freehold | 947 sq ft · £137/sq ft | first recorded sale |
› Castle Peep, 60 CF83 1BX · Detached £193,000· 19 Jul 2016
| 19 Jul 2016 | £193,000 | Detached · Freehold | 872 sq ft · £221/sq ft | first recorded sale |
› Whiteoaks, 42 CF83 1BX · Detached £164,950· 3 Mar 2014 · 2 sales
| 3 Mar 2014 | £164,950 | Detached · Freehold | 786 sq ft · £210/sq ft | +22% vs 2008 |
| 28 Nov 2008 | £135,000 | Detached · Freehold | 786 sq ft · £172/sq ft | first recorded sale |
› Montrose, 38 CF83 1BX · Detached £155,000· 10 Apr 2013
| 10 Apr 2013 | £155,000 | Detached · Freehold | 818 sq ft · £189/sq ft | first recorded sale |
› Dell View, 40 CF83 1BX · Detached £210,000· 9 Nov 2012 · 2 sales
| 9 Nov 2012 | £210,000 | Detached · Freehold | 1,044 sq ft · £201/sq ft | +11% vs 2007 |
| 26 Jan 2007 | £189,950 | Detached · Freehold | 1,044 sq ft · £182/sq ft | first recorded sale |
› Bazan, 36 CF83 1BX · Detached £167,000· 9 Oct 2009 · 2 sales
| 9 Oct 2009 | £167,000 | Detached · Freehold | first recorded sale | |
| 19 May 2009 | £122,000 | Detached · Freehold | −27% vs 2009 |
› Jasmine, 50 CF83 1BX · Detached £186,000· 25 Jan 2008
| 25 Jan 2008 | £186,000 | Detached · Freehold | 840 sq ft · £222/sq ft | first recorded sale |
› Arosfa, 52 CF83 1BX · Detached £116,000· 27 Jun 2003
| 27 Jun 2003 | £116,000 | Detached · Freehold | first recorded sale |
› 26 CF83 1BY · Semi-detached £66,000· 21 Jun 2001 · 2 sales
| 21 Jun 2001 | £66,000 | Semi-detached · Freehold | +15% vs 1999 | |
| 26 Nov 1999 | £57,500 | Semi-detached · Freehold | first recorded sale |
› 4 CF83 1BY · Semi-detached £68,000· 3 Dec 1997
| 3 Dec 1997 | £68,000 | Semi-detached · Freehold | first recorded sale |
› Eirenilcon, 48 CF83 1BX · Detached £54,750· 18 Dec 1995
| 18 Dec 1995 | £54,750 | Detached · Freehold | first recorded sale |
› 24 CF83 1BY · Semi-detached £52,000· 24 Feb 1995
| 24 Feb 1995 | £52,000 | Semi-detached · Leasehold | 947 sq ft · £55/sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in CF83 is worth roughly £192k–£300k at the district's typical £198–£310 per square foot (1,419 sales, two years) — a range, not a valuation.
Check your addressAll sold prices in Caerphilly· CF83 district on the Caerphilly page
Track Lon Y Llyn, CF83
One email a month with the sales newly registered here — no account needed, unsubscribe in one click.
Sources and method. Sales completed to July 2026, as registered by 29 Aug 2026 · headline figures cover the 12 months to May 2026 (later months are still being registered).Next HM Land Registry release ~28 Sept 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
How we calculate these figures · Ask us to hide a sale or correct a record