Our Data Sources
21, Toncoch Terrace, Mountain Ash has a single entry in the Land Registry from October 2021 and a single entry in the EPC database dated July 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Toncoch Terrace, Mountain Ash is in very good condition we estimate a sale value of £144,453 and a rental value of £914 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £127,944 and a rental value of £810 per month.
Plot Size
According to data from HM Land Registry, 21, Toncoch Terrace, Mountain Ash sits on a plot of 149 m2.
We have plot size data on 17 out of 34 other houses in the postcode and 21, Toncoch Terrace, Mountain Ash sits on the 11th largest plot.
Energy Efficiency
21, Toncoch Terrace, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Jul 2013.
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
According to HM Land Registry, 21, Toncoch Terrace, Mountain Ash was last sold on 12th October 2021 for £104,950 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since October 2021, the market for similar properties has risen by 25.8%.
- Sold Oct 2021£104,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 75 sales of properties similar to 21, Toncoch Terrace, Mountain Ash within a radius of 1.5 kilometres since 2012.
The most recent example is 18, The Avenue, Mountain Ash, CF45 4DT, a freehold house which sold for £80,000 on the 29th August 2025.
Read more about house prices in CF45.
- Sold Aug 2025£80,000 | 3 Bed House18, The Avenue, Mountain Ash, CF45 4DT18, The Avenue, Mountain Ash, CF45 4DT
- Sold Feb 2025£95,000 | 3 Bed House16, The Avenue, Mountain Ash, CF45 4DT16, The Avenue, Mountain Ash, CF45 4DT
- Sold Sep 2024£145,500 | 3 Bed House10, Rose Row, Aberdare, CF44 0BN10, Rose Row, Aberdare, CF44 0BN
- Sold May 2023£85,000 | 3 Bed House12, Toncoch Terrace, Mountain Ash, CF45 4DY12, Toncoch Terrace, Mountain Ash, CF45 4DY
- Sold Jan 2023£99,900 | 3 Bed House19, Greenfield Terrace, Mountain Ash, CF45 4EB19, Greenfield Terrace, Mountain Ash, CF45 4EB
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 £147,725, ranging from £140,192 to £160,940.
- 19 Toncoch Terrace
3 Bed House | 10 m | Est. Value: £160,940
- 23 Toncoch Terrace
3 Bed House | 10 m | Est. Value: £140,192
- 18 Toncoch Terrace
3 Bed House | 16 m | Est. Value: £142,756
- 17 Toncoch Terrace
3 Bed House | 21 m | Est. Value: £157,181
- 2 Toncoch Terrace
3 Bed House | 26 m | Est. Value: £145,968
Location Comparison
Toncoch Terrace, Mountain Ash, CF45 has a total of 34 addresses. According to our analysis of all the public data, 21, Toncoch Terrace, Mountain Ash is the 31st largest and the 31st most expensive property on the street.
When compared to the postcode district it is £25k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Fernhill|1.1 km away
- Cwmbach|1.5 km away
- Mountain Ash|2.0 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












