HM Land Registry records the plot of land for 17, Ashgrove Terrace, Treharris as measuring 239 m².

That makes it the 46th largest plot in the postcode, where 46 of the 47 other houses have recorded plot data.

17, Ashgrove Terrace, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Nov 2022.

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

The most recent sale of 17, Ashgrove Terrace, Treharris completed on 29th August 2025 at £249,950 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 21.5% over the period since August 2025.

Since 2011 110 properties similar to 17, Ashgrove Terrace, Treharris have sold within a radius of 830 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th April 2026, was 8, Ffos Close, Treharris, CF46 6EL, a freehold house which sold for £230,000.

Read more about house prices in CF46.

• Sold Apr 2026£230,000 | 3 Bed House8, Ffos Close, Treharris, CF46 6EL8, Ffos Close, Treharris, CF46 6EL
• Sold Feb 2026£259,950 | 3 Bed House61, Tawel Fan, Treharris, CF46 6EH61, Tawel Fan, Treharris, CF46 6EH
• Sold Jan 2026£190,000 | 3 Bed House2, Ffos Y Cerridden, Treharris, CF46 6HQ2, Ffos Y Cerridden, Treharris, CF46 6HQ
• Sold Jan 2026£172,500 | 3 Bed House41, Beech Tree Way, Treharris, CF46 6NU41, Beech Tree Way, Treharris, CF46 6NU
• 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 Dec 2023£170,000 | 3 Bed House23, Beech Tree Way, Treharris, CF46 6NU23, Beech Tree Way, Treharris, CF46 6NU
• 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 Nov 2022£220,000 | 3 Bed House31, Heol Isaf, Treharris, CF46 6NS31, Heol Isaf, Treharris, CF46 6NS
• Sold Aug 2022£212,000 | 3 Bed House11, Heol Isaf, Treharris, CF46 6NS11, Heol Isaf, Treharris, CF46 6NS
• Sold Mar 2022£118,000 | 3 Bed House30, Commercial Street, Treharris, CF46 6NF30, Commercial Street, Treharris, CF46 6NF
• Sold Sep 2021£195,000 | 3 Bed House54, Tawel Fan, Treharris, CF46 6EH54, Tawel Fan, Treharris, CF46 6EH
• Sold Oct 2020£180,000 | 3 Bed House23, Ashgrove Terrace, Treharris, CF46 6LS23, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Aug 2016£160,000 | 3 Bed House44, Ashgrove Terrace, Treharris, CF46 6LS44, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Nov 2013£149,000 | 3 Bed House55, Ashgrove Terrace, Treharris, CF46 6LS55, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Jun 2013£135,000 | 3 Bed House30, Ashgrove Terrace, Treharris, CF46 6LS30, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Dec 2011£135,000 | 3 Bed House19, Ashgrove Terrace, Treharris, CF46 6LS19, Ashgrove Terrace, Treharris, CF46 6LS
• Sold Jun 2011£138,000 | 3 Bed House43, Ashgrove Terrace, Treharris, CF46 6LS43, Ashgrove Terrace, Treharris, CF46 6LS

Of the 62 addresses on Ashgrove Terrace, Nelson, Treharris, CF46, 17, Ashgrove Terrace, Treharris comes out as the 50th largest and the 39th most expensive in our analysis of the public data.

It is also £71k more expensive than the average property across the CF46 district.

• Quakers Yard

  |

  2.9 km away
• Abercynon

  |

  3.0 km away
• Ystrad Mynach

  |

  3.2 km away

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