Our Data Sources
47, Duffryn Street, Mountain Ash has 21 entries in the Land Registry, most recently in October 2007 and a single entry in the EPC database dated September 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 47, Duffryn Street, Mountain Ash is in very good condition we estimate a sale value of £121,335 and a rental value of £823 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £107,468 and a rental value of £729 per month.
Plot Size
According to data from HM Land Registry, 47, Duffryn Street, Mountain Ash sits on a plot of 61 m2.
We have plot size data on 15 out of 19 other houses in the postcode and 47, Duffryn Street, Mountain Ash sits on the 15th largest plot.
Energy Efficiency
47, Duffryn Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Sep 2022.
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, 47, Duffryn Street, Mountain Ash was last sold on 30th October 2007 for £60,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since October 2007, the market for similar properties has risen by 87.6%.
- Sold Oct 2007£60,000
- Sold May 2003£16,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 249 sales of properties similar to 47, Duffryn Street, Mountain Ash within a radius of 500 metres since 2021.
The most recent example is 26, Woodland Terrace, Mountain Ash, CF45 3RF, a freehold house which sold for £130,000 on the 1st May 2026.
Read more about house prices in CF45.
- Sold May 2026£130,000 | 3 Bed House26, Woodland Terrace, Mountain Ash, CF45 3RF26, Woodland Terrace, Mountain Ash, CF45 3RF
- Sold Apr 2026£95,000 | 3 Bed House16, Lyle Street, Mountain Ash, CF45 3RG16, Lyle Street, Mountain Ash, CF45 3RG
- Sold Nov 2025£120,000 | 3 Bed House29, Cliff Street, Mountain Ash, CF45 3LE29, Cliff Street, Mountain Ash, CF45 3LE
- Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
- Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
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 £107,454, ranging from £79,715 to £135,383.
- 46 Duffryn Street
3 Bed House | 5 m | Est. Value: £114,802
- 48 Duffryn Street
3 Bed House | 9 m | Est. Value: £106,087
- 49 Duffryn Street
3 Bed House | 13 m | Est. Value: £120,688
- 21 Chancery Lane
3 Bed House | 16 m | Est. Value: £87,512
- 50 Duffryn Street
3 Bed House | 18 m | Est. Value: £113,275
Location Comparison
Duffryn Street, Mountain Ash, CF45 has a total of 93 addresses. According to our analysis of all the public data, 47, Duffryn Street, Mountain Ash is the 33rd largest and the 23rd most expensive property on the street.
When compared to the postcode district it is £45k less expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|300 m away
- Fernhill|1.2 km away
- Penrhiwceiber|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.












