HM Land Registry records the plot of land for 14, Castleton Avenue, Treorchy as measuring 512 m².

That makes it the 3rd largest plot in the postcode, where 27 of the 30 other houses have recorded plot data.

14, Castleton Avenue, Treorchy has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Oct 2021.

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 14, Castleton Avenue, Treorchy completed on 18th July 2025 at £185,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 10.6% over the period since July 2025.

• Sold Jul 2025£185,000
• Sold Feb 2022£135,000
• Sold Apr 2002£57,500

Since 2010 38 properties similar to 14, Castleton Avenue, Treorchy have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th August 2025, was 2 Police Houses, Blaen-Y-Cwm Road, Treorchy, CF42 5DG, a freehold house which sold for £190,000.

Read more about house prices in CF42.

• Sold Aug 2025£190,000 | 4 Bed House2 Police Houses, Blaen-Y-Cwm Road, Treorchy, CF42 5DG2 Police Houses, Blaen-Y-Cwm Road, Treorchy, CF42 5DG
• Sold Jul 2025£200,000 | 3 Bed House10, Stuart Street, Treorchy, CF42 5PR10, Stuart Street, Treorchy, CF42 5PR
• Sold Jun 2025£186,000 | 4 Bed House44, Dunraven Street, Treorchy, CF42 5BH44, Dunraven Street, Treorchy, CF42 5BH
• Sold Aug 2024£90,000 | 4 Bed House9, Hill Street, Treorchy, CF42 5LG9, Hill Street, Treorchy, CF42 5LG
• Sold Jul 2023£82,000 | 3 Bed House20, Dunraven Street, Treorchy, CF42 5BG20, Dunraven Street, Treorchy, CF42 5BG
• Sold Jun 2023£103,000 | 4 Bed House85, Miskin Street, Treorchy, CF42 5LR85, Miskin Street, Treorchy, CF42 5LR
• Sold Nov 2022£130,000 | 4 Bed House3, Castleton Avenue, Treorchy, CF42 5SS3, Castleton Avenue, Treorchy, CF42 5SS
• Sold Aug 2021£89,000 | 4 Bed House4, Scott Street, Treorchy, CF42 5NA4, Scott Street, Treorchy, CF42 5NA
• Sold Aug 2021£60,000 | 4 Bed House18, Dunraven Street, Treorchy, CF42 5BG18, Dunraven Street, Treorchy, CF42 5BG
• Sold May 2021£58,500 | 4 Bed House8, St. Albans Road, Treorchy, CF42 5DD8, St. Albans Road, Treorchy, CF42 5DD
• Sold Mar 2019£82,500 | 4 Bed House14, St. Albans Road, Treorchy, CF42 5DD14, St. Albans Road, Treorchy, CF42 5DD
• Sold Sep 2017£120,000 | 4 Bed House1 Police Houses, Blaen-Y-Cwm Road, Treorchy, CF42 5DG1 Police Houses, Blaen-Y-Cwm Road, Treorchy, CF42 5DG
• Sold Aug 2017£39,500 | 3 Bed House11, St. Albans Road, Treorchy, CF42 5DD11, St. Albans Road, Treorchy, CF42 5DD
• Sold Oct 2016£54,000 | 4 Bed House184, Dumfries Street, Treorchy, CF42 5PN184, Dumfries Street, Treorchy, CF42 5PN
• Sold Oct 2015£79,000 | 4 Bed House187, Dumfries Street, Treorchy, CF42 5PN187, Dumfries Street, Treorchy, CF42 5PN
• Sold Feb 2015£73,000 | 4 Bed House10, Castleton Avenue, Treorchy, CF42 5SS10, Castleton Avenue, Treorchy, CF42 5SS
• Sold Sep 2013£82,800 | 4 Bed House12, Castleton Avenue, Treorchy, CF42 5SS12, Castleton Avenue, Treorchy, CF42 5SS
• Sold Jun 2011£75,000 | 4 Bed House1, Castleton Avenue, Treorchy, CF42 5SS1, Castleton Avenue, Treorchy, CF42 5SS
• Sold Oct 2010£120,000 | 4 Bed House4, Castleton Avenue, Treorchy, CF42 5SS4, Castleton Avenue, Treorchy, CF42 5SS
• Sold Mar 2010£42,000 | 4 Bed House65, Scott Street, Treorchy, CF42 5NA65, Scott Street, Treorchy, CF42 5NA

Of the 30 addresses on Castleton Avenue, Treherbert, Treorchy, CF42, 14, Castleton Avenue, Treorchy comes out as the 10th largest and the 10th most expensive in our analysis of the public data.

It is also £15k more expensive than the average property across the CF42 district.

• Treherbert

  |

  1.6 km away
• Ynyswen

  |

  2.8 km away
• Treorchy

  |

  4.2 km away

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