HM Land Registry records the plot of land for 21, Colly Row, Treharris as measuring 141 m².

That makes it the 4th largest plot in the postcode, where 9 of the 25 other houses have recorded plot data.

21, Colly Row, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Mar 2023.

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 21, Colly Row, Treharris completed on 27th April 2023 at £79,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 24.8% over the period since April 2023.

• Sold Apr 2023£79,000
• Sold Feb 2019£45,000

Since 2011 116 properties similar to 21, Colly Row, Treharris have sold within a radius of 2.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 1st April 2026, was 15, Colly Row, Treharris, CF46 6UD, a freehold house which sold for £127,000.

Read more about house prices in CF46.

• Sold Apr 2026£127,000 | 3 Bed House15, Colly Row, Treharris, CF46 6UD15, Colly Row, Treharris, CF46 6UD
• Sold Nov 2025£84,000 | 3 Bed House32, Hylton Terrace, Treharris, CF46 6RG32, Hylton Terrace, Treharris, CF46 6RG
• Sold May 2025£107,000 | 3 Bed House6, Pleasant View, Treharris, CF46 6SF6, Pleasant View, Treharris, CF46 6SF
• Sold Dec 2024£7,500 | 3 Bed House13A, High Street, Treharris, CF46 6TG13A, High Street, Treharris, CF46 6TG
• Sold Dec 2024£80,000 | 3 Bed HouseBristol House, High Street, Treharris, CF46 6RPBristol House, High Street, Treharris, CF46 6RP
• Sold Nov 2024£63,000 | 3 Bed HouseRhianfa House, Moriah Street, Treharris, CF46 6RHRhianfa House, Moriah Street, Treharris, CF46 6RH
• Sold Nov 2022£117,000 | 3 Bed House7, Edwards Terrace, Treharris, CF46 6RN7, Edwards Terrace, Treharris, CF46 6RN
• Sold Oct 2022£113,000 | 3 Bed House46, High Street, Treharris, CF46 6RW46, High Street, Treharris, CF46 6RW
• Sold Apr 2022£85,000 | 3 Bed House22, Colly Row, Treharris, CF46 6UD22, Colly Row, Treharris, CF46 6UD
• Sold Mar 2022£87,000 | 3 Bed House24, Lewis Street, Treharris, CF46 6SE24, Lewis Street, Treharris, CF46 6SE
• Sold Dec 2021£90,000 | 3 Bed House5, Pleasant View, Treharris, CF46 6SF5, Pleasant View, Treharris, CF46 6SF
• Sold Nov 2021£103,500 | 3 Bed House5, Mary Street, Treharris, CF46 6RS5, Mary Street, Treharris, CF46 6RS
• Sold Mar 2021£78,500 | 3 Bed House2, Mount Pleasant, Treharris, CF46 6SD2, Mount Pleasant, Treharris, CF46 6SD
• Sold Jan 2020£60,000 | 3 Bed House52, Hylton Terrace, Treharris, CF46 6RG52, Hylton Terrace, Treharris, CF46 6RG
• Sold Oct 2019£85,000 | 3 Bed House23, Colly Row, Treharris, CF46 6UD23, Colly Row, Treharris, CF46 6UD
• Sold Feb 2019£63,000 | 3 Bed House39, Hylton Terrace, Treharris, CF46 6RG39, Hylton Terrace, Treharris, CF46 6RG
• Sold Jan 2019£82,000 | 3 Bed House42, Hylton Terrace, Treharris, CF46 6RG42, Hylton Terrace, Treharris, CF46 6RG
• Sold May 2018£63,000 | 3 Bed House25, Colly Row, Treharris, CF46 6UD25, Colly Row, Treharris, CF46 6UD
• Sold Aug 2015£55,500 | 3 Bed House6, Colly Row, Treharris, CF46 6UD6, Colly Row, Treharris, CF46 6UD
• Sold Dec 2011£38,000 | 3 Bed House4, Colly Row, Treharris, CF46 6UD4, Colly Row, Treharris, CF46 6UD

Of the 25 addresses on Colly Row, Bedlinog, Treharris, CF46, 21, Colly Row, Treharris comes out as the 18th largest and the 18th most expensive in our analysis of the public data.

It is also £35k less expensive than the average property across the CF46 district.

• Troed-y-rhiw

  |

  2.0 km away
• Merthyr Vale

  |

  2.5 km away
• Pentre-Bach

  |

  3.6 km away

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