According to data from HM Land Registry, 12, Castleton Avenue, Treorchy sits on a plot of 467 m².

We have plot size data on 27 out of 30 other houses in the postcode and 12, Castleton Avenue, Treorchy sits on the 6th largest plot.

12, Castleton Avenue, Treorchy has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 May 2019.

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 HM Land Registry, 12, Castleton Avenue, Treorchy was last sold on 6th September 2013 for £82,800 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since September 2013, the market for similar properties has risen by 98.5%.

• Sold Sep 2013£82,800
• Sold Jan 1999£23,000

According to the Land Registry and our network of Estate Agents, there have been 38 sales of properties similar to 12, Castleton Avenue, Treorchy within a radius of 1.5 kilometres since 2010.

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

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£185,000 | 4 Bed House14, Castleton Avenue, Treorchy, CF42 5SS14, Castleton Avenue, Treorchy, CF42 5SS
• 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 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

Castleton Avenue, Treherbert, Treorchy, CF42 has a total of 30 addresses. According to our analysis of all the public data, 12, Castleton Avenue, Treorchy is the 11th largest and the 11th most expensive property on the street.

When compared to the postcode district it is £15k more expensive than the average property in CF42.

• Treherbert

  |

  1.6 km away
• Ynyswen

  |

  2.8 km away
• Treorchy

  |

  4.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.