According to data from HM Land Registry, 16, Lon-Y-Celyn, Treharris sits on a plot of 239 m².

We have plot size data on 51 out of 52 other houses in the postcode and 16, Lon-Y-Celyn, Treharris sits on the 35th largest plot.

16, Lon-Y-Celyn, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Sep 2021.

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 103 sales of properties similar to 16, Lon-Y-Celyn, Treharris within a radius of 820 metres since 2014.

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 Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
• Sold Aug 2025£65,000 | 3 Bed House62, Tawel Fan, Treharris, CF46 6EH62, Tawel Fan, Treharris, CF46 6EH
• Sold Apr 2025£226,000 | 3 Bed House11, Market Close, Treharris, CF46 6AZ11, Market Close, Treharris, CF46 6AZ
• Sold Oct 2024£206,000 | 3 Bed House44, Heol Tasker, Treharris, CF46 6JB44, Heol Tasker, Treharris, CF46 6JB
• Sold Aug 2024£235,000 | 3 Bed House6, Clos Cae Pwll, Treharris, CF46 6LA6, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Jun 2024£220,000 | 3 Bed House34, Ashgrove Terrace, Treharris, CF46 6LS34, Ashgrove Terrace, Treharris, CF46 6LS
• 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 May 2022£255,000 | 3 Bed House38, Ashgrove Terrace, Treharris, CF46 6LS38, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Feb 2022£200,000 | 3 Bed House15, Ffos Y Cerridden, Treharris, CF46 6HQ15, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Oct 2021£230,000 | 3 Bed House18, Ffos Y Cerridden, Treharris, CF46 6HQ18, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Dec 2020£240,000 | 3 Bed House1, Clos Cae Pwll, Treharris, CF46 6LA1, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Mar 2017£137,000 | 3 Bed House14, Clos Cae Pwll, Treharris, CF46 6LA14, Clos Cae Pwll, Treharris, CF46 6LA
• Sold May 2016£167,000 | 3 Bed House13, Clos Waun Ceffyl, Treharris, CF46 6LB13, Clos Waun Ceffyl, Treharris, CF46 6LB
• Sold Jan 2016£130,000 | 3 Bed House13, Clos Cae Pwll, Treharris, CF46 6LA13, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Aug 2014£135,000 | 3 Bed House3, Clos Cae Pwll, Treharris, CF46 6LA3, Clos Cae Pwll, Treharris, CF46 6LA

Lon-Y-Celyn, Nelson, Treharris, CF46 has a total of 52 addresses. According to our analysis of all the public data, 16, Lon-Y-Celyn, Treharris is the 2nd largest and the 2nd most expensive property on the street.

When compared to the postcode district it is £100k 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.