According to data from HM Land Registry, 8, Lon-Y-Celyn, Treharris sits on a plot of 225 m².

We have plot size data on 51 out of 52 other houses in the postcode and 8, Lon-Y-Celyn, Treharris sits on the 42nd largest plot.

8, Lon-Y-Celyn, Treharris has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 02 May 2024.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 97 sales of properties similar to 8, Lon-Y-Celyn, Treharris within a radius of 810 metres since 2016.

The most recent example is 5, Tawel Fan, Treharris, CF46 6EH, a freehold house which sold for £227,500 on the 5th June 2026.

Read more about house prices in CF46.

• Sold Jun 2026£227,500 | 3 Bed House5, Tawel Fan, Treharris, CF46 6EH5, Tawel Fan, Treharris, CF46 6EH
• Sold Jun 2026£260,000 | 3 Bed House1, Tawel Fan, Treharris, CF46 6EH1, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2026£230,000 | 3 Bed House8, Ffos Close, Treharris, CF46 6EL8, Ffos Close, Treharris, CF46 6EL
• Sold Apr 2026£264,000 | 3 Bed House65, Tawel Fan, Treharris, CF46 6EH65, Tawel Fan, Treharris, CF46 6EH
• Sold Mar 2026£240,000 | 3 Bed House29, Tawel Fan, Treharris, CF46 6EH29, Tawel Fan, Treharris, CF46 6EH
• Sold Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
• Sold Dec 2025£245,000 | 3 Bed House11, Clos Cae Pwll, Treharris, CF46 6LA11, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Aug 2025£65,000 | 3 Bed House62, Tawel Fan, Treharris, CF46 6EH62, Tawel Fan, Treharris, CF46 6EH
• Sold Aug 2024£235,000 | 3 Bed House6, Clos Cae Pwll, Treharris, CF46 6LA6, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Nov 2023£213,675 | 3 Bed House21, Ashgrove Terrace, Treharris, CF46 6LS21, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Aug 2023£235,000 | 3 Bed House12, Rowan Close, Treharris, CF46 6EN12, Rowan Close, Treharris, CF46 6EN
• Sold Aug 2023£255,000 | 3 Bed House16, Clos Cae Pwll, Treharris, CF46 6LA16, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Jul 2023£210,000 | 3 Bed House19, Tawel Fan, Treharris, CF46 6EH19, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2022£145,000 | 3 Bed House19, Ffos Close, Treharris, CF46 6EL19, Ffos Close, Treharris, CF46 6EL
• Sold Oct 2020£155,000 | 3 Bed House64, Tawel Fan, Treharris, CF46 6EH64, Tawel Fan, Treharris, CF46 6EH
• Sold Oct 2020£180,000 | 3 Bed House23, Ashgrove Terrace, Treharris, CF46 6LS23, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Feb 2020£177,000 | 3 Bed House24, Ffos Close, Treharris, CF46 6EL24, Ffos Close, Treharris, CF46 6EL
• Sold Oct 2019£155,000 | 3 Bed House6, Tawel Fan, Treharris, CF46 6EH6, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2017£147,500 | 3 Bed House9, Ffos Close, Treharris, CF46 6EL9, Ffos Close, Treharris, CF46 6EL
• Sold Sep 2016£120,000 | 3 Bed House7, Ffos Close, Treharris, CF46 6EL7, Ffos Close, Treharris, CF46 6EL

Lon-Y-Celyn, Nelson, Treharris, CF46 has a total of 52 addresses. According to our analysis of all the public data, 8, Lon-Y-Celyn, Treharris is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £98k more expensive than the average property in CF46.

• Quakers Yard

  |

  2.4 km away
• Abercynon

  |

  2.8 km away
• Ystrad Mynach

  |

  3.7 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.