Our Data Sources
Waterstone House, Mountain Ash has a single entry in the Land Registry from February 2025 and a single entry in the EPC database dated March 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Waterstone House, Mountain Ash, we estimate a market value of £432,754 and a rental value of £1,880 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £383,296 and £1,665 per month respectively.
Plot Size
HM Land Registry records the plot of land for Waterstone House, Mountain Ash as measuring 434 m2.
That makes it the 6th largest plot in the postcode, where 49 of the 58 other houses have recorded plot data.
Energy Efficiency
Waterstone House, Mountain Ash has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 14 Mar 2018.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of Waterstone House, Mountain Ash completed on 7th February 2025 at £400,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 9.8% over the period since February 2025.
- Sold Feb 2025£400,000
Properties Sold Nearby
Over the past 2 years 3 properties have sold within 600 metres of Waterstone House, Mountain Ash, per the Land Registry and our network of Estate Agents.
The latest, on the 7th November 2025, was 38, Llanwonno Road, Mountain Ash, CF45 3NB, a freehold house which sold for £105,000.
Read more about house prices in CF45.
- Sold Nov 2025£105,000 | 3 Bed House38, Llanwonno Road, Mountain Ash, CF45 3NB38, Llanwonno Road, Mountain Ash, CF45 3NB
- Sold Feb 2024£65,000 | 3 Bed House35, Llanwonno Road, Mountain Ash, CF45 3NB35, Llanwonno Road, Mountain Ash, CF45 3NB
- Sold Feb 2022£113,750 | 3 Bed House33, Llanwonno Road, Mountain Ash, CF45 3NB33, Llanwonno Road, Mountain Ash, CF45 3NB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 78 addresses on Llanwonno Road, Mountain Ash, CF45, Waterstone House, Mountain Ash comes out as the 4th largest and the 5th most expensive in our analysis of the public data.
It is also £254k more expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- 500mMountain Ash
- 1.5kmFernhill
- 1.6kmPenrhiwceiber
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
