Our Data Sources
40, Upper Thomas Street, Merthyr Tydfil has no records in the Land Registry and a single entry in the EPC database dated December 2023.
We combine this information with public data 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.
Price Range & Condition
In very good condition, we estimate 40, Upper Thomas Street, Merthyr Tydfil would be worth £183,813, with a potential rental value of £852 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £162,805, with a rental value of £754 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Upper Thomas Street, Merthyr Tydfil occupies a 90 m2 plot as recorded by HM Land Registry.
Of the 21 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 16th largest.
Energy Efficiency
40, Upper Thomas Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Dec 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 48 sales of comparable properties within 580 metres of 40, Upper Thomas Street, Merthyr Tydfil since 2009.
Most recently, 15, Tudor Terrace, Merthyr Tydfil, CF47 8RU, a freehold house, sold at £131,250 on the 2nd June 2025.
Read more about house prices in CF47.
- Sold Jun 2025£131,250 | 4 Bed House15, Tudor Terrace, Merthyr Tydfil, CF47 8RU15, Tudor Terrace, Merthyr Tydfil, CF47 8RU
- Sold May 2025£151,000 | 4 Bed House41, Union Terrace, Merthyr Tydfil, CF47 0DY41, Union Terrace, Merthyr Tydfil, CF47 0DY
- Sold Apr 2025£95,500 | 4 Bed House6, Abermorlais Terrace, Merthyr Tydfil, CF47 8HU6, Abermorlais Terrace, Merthyr Tydfil, CF47 8HU
- Sold Mar 2025£80,000 | 4 Bed House6, Park Place, Merthyr Tydfil, CF47 0LJ6, Park Place, Merthyr Tydfil, CF47 0LJ
- Sold Mar 2025£170,000 | 4 Bed House10, Brunswick Street, Merthyr Tydfil, CF47 8SB10, Brunswick Street, Merthyr Tydfil, CF47 8SB
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 £144,917, ranging from £77,082 to £188,407.
- 41 Upper Thomas Street
3 Bed House | 6 m | Est. Value: £158,033
- 42 Upper Thomas Street
4 Bed House | 12 m | Est. Value: £179,847
- 38 Upper Thomas Street
4 Bed House | 13 m | Est. Value: £188,407
- 43 Upper Thomas Street
4 Bed House | 18 m | Est. Value: £174,529
- Flat 1, Campsie House 44 Upper Thomas Street
4 Bed Flat | 23 m | Est. Value: £119,799
Location Comparison
Our analysis of the public data ranks 40, Upper Thomas Street, Merthyr Tydfil as the 14th largest and the 14th most expensive of the 31 addresses on Upper Thomas Street, Merthyr Tydfil, CF47.
Against the CF47 postcode district average, it is £20k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|300 m away
- Pentre-Bach|2.7 km away
- Troed-y-rhiw|4.4 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.












