Our Data Sources
20, Richmond Road, Mountain Ash has no recent1 records in the Land Registry and a single entry in the EPC database dated April 2009.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 20, Richmond Road, Mountain Ash would be worth £179,314, with a potential rental value of £968 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £158,821, with a rental value of £857 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Richmond Road, Mountain Ash occupies a 116 m2 plot as recorded by HM Land Registry.
Of the 33 other houses in this postcode, 28 have recorded plot sizes, and this one ranks as the 28th largest.
Energy Efficiency
20, Richmond Road, Mountain Ash has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Apr 2009.
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
20, Richmond Road, Mountain Ash last changed hands on 25th February 2000, selling for £28,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Feb 2000£28,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 103 sales of comparable properties within 750 metres of 20, Richmond Road, Mountain Ash since 2021.
Most recently, 12, Beckett Street, Mountain Ash, CF45 4AW, a freehold house, sold at £150,000 on the 8th May 2026.
Read more about house prices in CF45.
- Sold May 2026£150,000 | 3 Bed House12, Beckett Street, Mountain Ash, CF45 4AW12, Beckett Street, Mountain Ash, CF45 4AW
- Sold Mar 2026£189,998 | 3 Bed House59, Allen Street, Mountain Ash, CF45 4BB59, Allen Street, Mountain Ash, CF45 4BB
- Sold Feb 2026£160,000 | 3 Bed House10, The Triangle, Mountain Ash, CF45 4BA10, The Triangle, Mountain Ash, CF45 4BA
- Sold Feb 2026£158,000 | 3 Bed House24, Richmond Road, Mountain Ash, CF45 4AN24, Richmond Road, Mountain Ash, CF45 4AN
- Sold Oct 2025£130,000 | 3 Bed House26, The Triangle, Mountain Ash, CF45 4BA26, The Triangle, Mountain Ash, CF45 4BA
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 £195,337, ranging from £151,978 to £244,750.
- 18 Richmond Road
4 Bed House | 5 m | Est. Value: £186,317
- 16 Fox Street
4 Bed House | 25 m | Est. Value: £218,621
- 12 Richmond Road
3 Bed House | 26 m | Est. Value: £182,501
- 19 Richmond Road
3 Bed House | 28 m | Est. Value: £151,978
- 14 Fox Street
3 Bed House | 28 m | Est. Value: £204,369
Location Comparison
Our analysis of the public data ranks 20, Richmond Road, Mountain Ash as the 23rd largest and the 23rd most expensive of the 33 addresses on Richmond Road, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £11k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|600 m away
- Fernhill|1.2 km away
- Penrhiwceiber|2.3 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.












