According to data from HM Land Registry, 61, Lon-Y-Celyn, Treharris sits on a plot of 232 m².

We have plot size data on 51 out of 52 other houses in the postcode and 61, Lon-Y-Celyn, Treharris sits on the 37th largest plot.

61, Lon-Y-Celyn, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jan 2011.

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 83 sales of properties similar to 61, Lon-Y-Celyn, Treharris within a radius of 840 metres since 2011.

The most recent example is 2, Ffos Y Cerridden, Treharris, CF46 6HQ, a freehold house which sold for £190,000 on the 30th January 2026.

Read more about house prices in CF46.

• Sold Jan 2026£190,000 | 3 Bed House2, Ffos Y Cerridden, Treharris, CF46 6HQ2, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Jan 2026£210,000 | 3 Bed House29, Heol Tasker, Treharris, CF46 6JB29, Heol Tasker, Treharris, CF46 6JB
• Sold Dec 2025£245,000 | 3 Bed House11, Clos Cae Pwll, Treharris, CF46 6LA11, Clos Cae Pwll, Treharris, CF46 6LA
• Sold Aug 2025£249,950 | 3 Bed House17, Ashgrove Terrace, Treharris, CF46 6LS17, Ashgrove Terrace, Treharris, CF46 6LS
• Sold May 2025£237,000 | 3 Bed House10, Taf Olwg, Treharris, CF46 6JL10, Taf Olwg, Treharris, CF46 6JL
• Sold Apr 2025£227,000 | 3 Bed House45, Ashgrove Terrace, Treharris, CF46 6LS45, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Dec 2024£222,500 | 3 Bed House41, Tawel Fan, Treharris, CF46 6EH41, Tawel Fan, Treharris, CF46 6EH
• Sold Dec 2024£225,000 | 3 Bed House16, Ashgrove Terrace, Treharris, CF46 6LS16, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Nov 2024£235,000 | 3 Bed House41, Ffos Y Cerridden, Treharris, CF46 6HQ41, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Nov 2023£213,675 | 3 Bed House21, Ashgrove Terrace, Treharris, CF46 6LS21, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Oct 2023£203,000 | 3 Bed House34, Tawel Fan, Treharris, CF46 6EH34, Tawel Fan, Treharris, CF46 6EH
• Sold Oct 2023£205,000 | 3 Bed House32, Ffos Y Cerridden, Treharris, CF46 6HQ32, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Sep 2021£195,000 | 3 Bed House54, Tawel Fan, Treharris, CF46 6EH54, Tawel Fan, Treharris, CF46 6EH
• Sold Jan 2020£54,129 | 3 Bed House42, Tawel Fan, Treharris, CF46 6EH42, Tawel Fan, Treharris, CF46 6EH
• Sold Nov 2019£139,995 | 3 Bed House53, Tawel Fan, Treharris, CF46 6EH53, Tawel Fan, Treharris, CF46 6EH
• Sold Jun 2017£133,950 | 3 Bed House22, Ffos Y Cerridden, Treharris, CF46 6HQ22, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Nov 2013£149,000 | 3 Bed House55, Ashgrove Terrace, Treharris, CF46 6LS55, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Sep 2012£89,250 | 3 Bed House32, Tawel Fan, Treharris, CF46 6EH32, Tawel Fan, Treharris, CF46 6EH
• Sold Jun 2012£82,000 | 3 Bed House44, Tawel Fan, Treharris, CF46 6EH44, Tawel Fan, Treharris, CF46 6EH
• Sold Dec 2011£135,000 | 3 Bed House19, Ashgrove Terrace, Treharris, CF46 6LS19, Ashgrove Terrace, Treharris, CF46 6LS

Lon-Y-Celyn, Nelson, Treharris, CF46 has a total of 52 addresses. According to our analysis of all the public data, 61, Lon-Y-Celyn, Treharris is the 26th largest and the 26th most expensive property on the street.

When compared to the postcode district it is £67k 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.