How much is 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG worth?
Estimated value — July 2026
£64,000
Likely range £43,000 – £80,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale September 1999
30%
confidence
Low
Typically within 17% of the sale price
Property details
Mid-terrace house
Thomas Street · Treharris · CF46 5LG
Energy performance
Mains Gas (Not Community) · EPC 9118-2883-7628-9027-5125 · inspected December 2013 · lodged January 2014
Address
- District
- Merthyr Tydfil
- County
- Merthyr Tydfil
Value over time
- Modelled value
- Today's estimate
Modelled by indexing this property's most recent recorded sale, month by month, against the UK House Price Index for its area and property type. Earlier sales are shown as recorded. Today's estimate also uses the property's earlier sales, so it can sit a little off the line.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £12,831 |
| 2001 | £13,413 |
| 2002 | £16,710 |
| 2003 | £20,265 |
| 2004 | £27,409 |
| 2005 | £32,355 |
| 2006 | £37,804 |
| 2007 | £40,290 |
| 2008 | £33,802 |
| 2009 | £35,070 |
| 2010 | £33,963 |
| 2011 | £32,950 |
| 2012 | £33,271 |
| 2013 | £33,812 |
| 2014 | £35,479 |
| 2015 | £36,216 |
| 2016 | £35,881 |
| 2017 | £37,801 |
| 2018 | £41,247 |
| 2019 | £46,249 |
| 2020 | £45,916 |
| 2021 | £53,215 |
| 2022 | £59,561 |
| 2023 | £58,734 |
| 2024 | £61,555 |
| 2025 | £59,605 |
| 2026 | £64,338 |
Sale history
Mortgage calculator
£343
Estimated monthly repayment
£57,600
Loan amount
£66,057
Total interest
£123,657
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
- 15 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG£46,200 · 2018£77,000
- 18 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG£150,000 · 2025£143,000
- 11 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG£75,500 · 2017£126,000
- 17 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG£70,000 · 2014£134,000
- 13 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG£31,600 · 1996£157,000
About this property
12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG is a mid-terrace house on Thomas Street in Treharris, Merthyr Tydfil. Stede's estimated value for July 2026 is £64,000. Four in five similar homes sold within their likely range when tested; for this property that range is £43,000 to £80,000. It re-indexes the property's recorded sale prices to today using the UK House Price Index. The confidence score is 30 out of 100 (low): estimates like this one are typically within 17% of the eventual sale price.
It last sold in September 1999 for £12,000. The current estimate is 433% higher than that price. The current owner has held it for about 27 years.
Its EPC energy-efficiency rating is band D (59 out of 100), with a potential of band C (79) after the recommended improvements. The certificate records a total floor area of 140 m² (1,507 sq ft). It was lodged in January 2014.
The modelled value is up 4% over the past year and up 28% over the past five years.
Among 5 nearby properties Stede tracks in the CF46 area, estimated values run from £77,000 to £157,000. This mid-terrace house's £64,000 sits below that range.
Common questions
How much is 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG worth?
Stede estimates 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG is worth £64,000 as of July 2026, within a likely range of £43,000 to £80,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG last sell?
It last sold in September 1999 for £12,000.
What type of property is 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG?
It is recorded as a Mid-terrace house on Thomas Street in the CF46 postcode area.
What is the EPC rating of 12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG?
12 Thomas Street, Treharris, Merthyr Tydfil, CF46 5LG has an EPC energy-efficiency rating of band D (59 out of 100). Its potential rating after the recommended improvements is band C (79). The certificate records a floor area of 140 m² (1,507 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 30 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 17% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
Stede re-indexes this property's recorded sale prices to today using the House Price Index for its type and region, and tests the result against real sales to set the likely range and confidence. Full detail is on the methodology page.
How we calculated this
This estimate re-indexes the property's recorded sale prices to today with the UK House Price Index for its area and type. Its range and confidence come from testing the same method against 49,875 real sales of similar homes.
2
Valuation methods used
1
Recorded sales on file
1999
Most recent recorded sale