Our Data Sources
18, Lower Thomas Street, Merthyr Tydfil has no recent1 records in the Land Registry and a single entry in the EPC database dated May 2019.
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 18, Lower Thomas Street, Merthyr Tydfil would be worth £173,601, with a potential rental value of £825 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £153,761, with a rental value of £730 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Lower Thomas Street, Merthyr Tydfil occupies a 135 m2 plot as recorded by HM Land Registry.
Of the 48 other houses in this postcode, 44 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
18, Lower Thomas Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2019.
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
18, Lower Thomas Street, Merthyr Tydfil last changed hands on 29th June 2000, selling for £37,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Jun 2000£37,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 34 sales of comparable properties within 550 metres of 18, Lower Thomas Street, Merthyr Tydfil since 2012.
Most recently, 16, Queens Road, Merthyr Tydfil, CF47 0NB, a freehold house, sold at £190,000 on the 19th December 2025.
Read more about house prices in CF47.
- Sold Dec 2025£190,000 | 4 Bed House16, Queens Road, Merthyr Tydfil, CF47 0NB16, Queens Road, Merthyr Tydfil, CF47 0NB
- Sold Oct 2025£160,000 | 4 Bed House10, Lower High Street, Merthyr Tydfil, CF47 8EB10, Lower High Street, Merthyr Tydfil, CF47 8EB
- Sold May 2025£162,450 | 4 Bed House24, William Street, Merthyr Tydfil, CF47 0RG24, William Street, Merthyr Tydfil, CF47 0RG
- 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
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 £155,653, ranging from £111,948 to £246,388.
- 19 Lower Thomas Street
4 Bed House | 6 m | Est. Value: £180,173
- 16 Lower Thomas Street
4 Bed House | 9 m | Est. Value: £179,605
- 69 Lower Thomas Street
3 Bed House | 18 m | Est. Value: £137,239
- 70 Lower Thomas Street
3 Bed House | 18 m | Est. Value: £124,171
- 14 Lower Thomas Street
4 Bed House | 19 m | Est. Value: £189,569
Location Comparison
Our analysis of the public data ranks 18, Lower Thomas Street, Merthyr Tydfil as the 17th largest and the 17th most expensive of the 78 addresses on Lower Thomas Street, Merthyr Tydfil, CF47.
Against the CF47 postcode district average, it is £10k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|200 m away
- Pentre-Bach|2.4 km away
- Troed-y-rhiw|4.1 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.












