Our Data Sources
15, Castleton Avenue, Treorchy has a single entry in the Land Registry from March 2022 and a single entry in the EPC database dated March 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 15, Castleton Avenue, Treorchy would be worth £144,761, with a potential rental value of £882 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £128,217, with a rental value of £781 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
15, Castleton Avenue, Treorchy occupies a 268 m2 plot as recorded by HM Land Registry.
Of the 30 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 19th largest.
Energy Efficiency
15, Castleton Avenue, Treorchy has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 15 Mar 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
15, Castleton Avenue, Treorchy last changed hands on 4th March 2022, selling for £72,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 27.9% since March 2022.
- Sold Mar 2022£72,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 115 sales of comparable properties within 1.5 kilometres of 15, Castleton Avenue, Treorchy since 2007.
Most recently, 28, Blaen-Y-Cwm Terrace, Treorchy, CF42 5ND, a freehold house, sold at £65,000 on the 23rd February 2026.
Read more about house prices in CF42.
- Sold Feb 2026£65,000 | 3 Bed House28, Blaen-Y-Cwm Terrace, Treorchy, CF42 5ND28, Blaen-Y-Cwm Terrace, Treorchy, CF42 5ND
- Sold Dec 2025£118,500 | 3 Bed House39, Blaenrhondda Road, Treorchy, CF42 5SP39, Blaenrhondda Road, Treorchy, CF42 5SP
- Sold Nov 2025£140,000 | 3 Bed House18, Blaenrhondda Road, Treorchy, CF42 5SP18, Blaenrhondda Road, Treorchy, CF42 5SP
- Sold Nov 2025£105,000 | 3 Bed House38, Blaenrhondda Road, Treorchy, CF42 5SP38, Blaenrhondda Road, Treorchy, CF42 5SP
- Sold Jul 2025£132,000 | 3 Bed House18, Clyngwyn Road, Treorchy, CF42 5SL18, Clyngwyn Road, Treorchy, CF42 5SL
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £155,605, ranging from £119,013 to £208,095.
- 16 Castleton Avenue
3 Bed House | 6 m | Est. Value: £119,013
- 17 Castleton Avenue
3 Bed House | 19 m | Est. Value: £124,637
- 9 Castleton Avenue
4 Bed House | 25 m | Est. Value: £192,956
- 10 Castleton Avenue
4 Bed House | 25 m | Est. Value: £161,093
- 18 Castleton Avenue
3 Bed House | 26 m | Est. Value: £122,562
Location Comparison
Our analysis of the public data ranks 15, Castleton Avenue, Treorchy as the 25th largest and the 20th most expensive of the 30 addresses on Castleton Avenue, Treherbert, Treorchy, CF42.
Against the CF42 postcode district average, it is £16k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Treherbert|1.6 km away
- Ynyswen|2.8 km away
- Treorchy|4.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
