Our Data Sources
20, Trem Y Dyffryn, Mountain Ash has 2 entries in the Land Registry, most recently in October 2019 and a single entry in the EPC database dated August 2019.
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
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 20, Trem Y Dyffryn, Mountain Ash is in very good condition we estimate a sale value of £424,210 and a rental value of £1,896 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £375,729 and a rental value of £1,680 per month.
Plot Size
According to data from HM Land Registry, 20, Trem Y Dyffryn, Mountain Ash sits on a plot of 268 m2.
We have plot size data on 33 out of 34 other houses in the postcode and 20, Trem Y Dyffryn, Mountain Ash sits on the 8th largest plot.
Energy Efficiency
20, Trem Y Dyffryn, Mountain Ash has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Aug 2019.
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, 20, Trem Y Dyffryn, Mountain Ash was last sold on 18th October 2019 for £260,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since October 2019, the market for similar properties has risen by 53.4%.
- Sold Oct 2019£260,000
- Sold Apr 2007£209,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 6 sales of properties similar to 20, Trem Y Dyffryn, Mountain Ash within a radius of 860 metres since 2018.
The most recent example is Cliff Cottage, Park Hill, Mountain Ash, CF45 3RL, a freehold house which sold for £245,000 on the 21st June 2024.
Read more about house prices in CF45.
- Sold Jun 2024£245,000 | 4 Bed HouseCliff Cottage, Park Hill, Mountain Ash, CF45 3RLCliff Cottage, Park Hill, Mountain Ash, CF45 3RL
- Sold Dec 2023£515,000 | 5 Bed HouseTy Gwyn, Trem Y Dyffryn, Mountain Ash, CF45 4AQTy Gwyn, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
- Sold Mar 2022£370,000 | 5 Bed HouseGlanpennar, The Avenue, Mountain Ash, CF45 4DTGlanpennar, The Avenue, Mountain Ash, CF45 4DT
- Sold Nov 2020£339,500 | 4 Bed House2, Mill Place, Mountain Ash, CF45 4DH2, Mill Place, Mountain Ash, CF45 4DH
- Sold Jan 2019£275,000 | 5 Bed House19, Granville Terrace, Mountain Ash, CF45 4AL19, Granville Terrace, Mountain Ash, CF45 4AL
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 £277,922, ranging from £112,351 to £360,489.
- 19 Trem Y Dyffryn
4 Bed House | 11 m | Est. Value: £340,843
- 21 Trem Y Dyffryn
3 Bed House | 15 m | Est. Value: £253,733
- 18 Trem Y Dyffryn
4 Bed House | 21 m | Est. Value: £349,105
- 22 Trem Y Dyffryn
3 Bed House | 21 m | Est. Value: £237,203
- 10 Trem Y Dyffryn
4 Bed House | 25 m | Est. Value: £307,931
Location Comparison
Trem Y Dyffryn, Mountain Ash, CF45 has a total of 35 addresses. According to our analysis of all the public data, 20, Trem Y Dyffryn, Mountain Ash is the 4th largest and the 4th most expensive property on the street.
When compared to the postcode district it is £241k more expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|800 m away
- Fernhill|900 m away
- Penrhiwceiber|2.5 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.





