Our Data Sources
49, Thomas Street, Mountain Ash has 21 entries in the Land Registry, most recently in December 2017 and a single entry in the EPC database dated November 2017.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 49, Thomas Street, Mountain Ash would be worth £138,632, with a potential rental value of £862 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £122,789, with a rental value of £763 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
49, Thomas Street, Mountain Ash occupies a 166 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
49, Thomas Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2017.
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
49, Thomas Street, Mountain Ash last changed hands on 13th December 2017, selling for £70,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 102.6% since December 2017.
- Sold Dec 2017£70,000
- Sold Aug 2000£21,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 237 sales of comparable properties within 660 metres of 49, Thomas Street, Mountain Ash since 2022.
Most recently, 70, Clarence Street, Mountain Ash, CF45 3BD, a freehold house, sold at £135,000 on the 20th March 2026.
Read more about house prices in CF45.
- Sold Mar 2026£135,000 | 3 Bed House70, Clarence Street, Mountain Ash, CF45 3BD70, Clarence Street, Mountain Ash, CF45 3BD
- Sold Feb 2026£145,000 | 3 Bed House12, Thomas Street, Mountain Ash, CF45 3BU12, Thomas Street, Mountain Ash, CF45 3BU
- Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
- Sold Sep 2025£130,000 | 3 Bed House14, Oakland Street, Mountain Ash, CF45 3AL14, Oakland Street, Mountain Ash, CF45 3AL
- Sold Sep 2025£116,500 | 3 Bed House20, Ty'R Felin Street, Mountain Ash, CF45 3YR20, Ty'R Felin Street, Mountain Ash, CF45 3YR
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 £124,899, ranging from £110,577 to £136,977.
- 45 Thomas Street
3 Bed House | 11 m | Est. Value: £111,456
- 53 Thomas Street
3 Bed House | 11 m | Est. Value: £129,845
- 43 Thomas Street
3 Bed House | 16 m | Est. Value: £132,031
- 57 Thomas Street
3 Bed House | 20 m | Est. Value: £124,576
- 41 Thomas Street
3 Bed House | 21 m | Est. Value: £110,577
Location Comparison
Our analysis of the public data ranks 49, Thomas Street, Mountain Ash as the 19th largest and the 35th most expensive of the 73 addresses on Thomas Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £28k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|1.0 km away
- Penrhiwceiber|1.0 km away
- Fernhill|2.1 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.












