HM Land Registry records the plot of land for 10, Lon-Y-Celyn, Treharris as measuring 225 m².

That makes it the 41st largest plot in the postcode, where 51 of the 52 other houses have recorded plot data.

10, Lon-Y-Celyn, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Sep 2018.

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

Since 2019 82 properties similar to 10, Lon-Y-Celyn, Treharris have sold within a radius of 820 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 30th January 2026, was 29, Heol Tasker, Treharris, CF46 6JB, a leasehold house which sold for £210,000.

Read more about house prices in CF46.

• 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 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 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 Feb 2022£186,000 | 3 Bed House98, Heol Tasker, Treharris, CF46 6JB98, Heol Tasker, Treharris, CF46 6JB
• Sold Oct 2021£180,000 | 3 Bed House86, Heol Tasker, Treharris, CF46 6JB86, Heol Tasker, Treharris, CF46 6JB
• Sold Sep 2021£195,000 | 3 Bed House54, Tawel Fan, Treharris, CF46 6EH54, Tawel Fan, Treharris, CF46 6EH
• Sold Aug 2021£190,000 | 3 Bed House106, Heol Tasker, Treharris, CF46 6JB106, Heol Tasker, Treharris, CF46 6JB
• Sold Jul 2021£170,000 | 3 Bed House34, Ffos Y Cerridden, Treharris, CF46 6HQ34, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Apr 2021£175,000 | 3 Bed House49, Ffos Y Cerridden, Treharris, CF46 6HQ49, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Aug 2020£139,950 | 3 Bed House1, Ffos Y Cerridden, Treharris, CF46 6HQ1, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Mar 2020£145,500 | 3 Bed House38, Heol Tasker, Treharris, CF46 6JB38, Heol Tasker, Treharris, CF46 6JB
• Sold Dec 2019£140,000 | 3 Bed House31, Heol Tasker, Treharris, CF46 6JB31, Heol Tasker, Treharris, CF46 6JB
• Sold Nov 2019£139,995 | 3 Bed House53, Tawel Fan, Treharris, CF46 6EH53, Tawel Fan, Treharris, CF46 6EH
• Sold Jul 2019£3,500 | 3 Bed House62, Heol Tasker, Treharris, CF46 6JB62, Heol Tasker, Treharris, CF46 6JB

Of the 52 addresses on Lon-Y-Celyn, Nelson, Treharris, CF46, 10, Lon-Y-Celyn, Treharris comes out as the 27th largest and the 27th most expensive in our analysis of the public data.

It is also £66k more expensive than the average property across the CF46 district.

• Quakers Yard

  |

  2.4 km away
• Abercynon

  |

  2.8 km away
• Ystrad Mynach

  |

  3.7 km away

The flood risk here is rated Very Low, based on Environment Agency data.