Our Data Sources
1, Upper High Street, Treharris has 21 entries in the Land Registry, most recently in April 2026 and a single entry in the EPC database dated April 2026.
We combine this information with that 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 1, Upper High Street, Treharris would be worth £62,238, with a potential rental value of £469 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £55,125, with a rental value of £415 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Upper High Street, Treharris occupies a 136 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 21 have recorded plot sizes, and this one ranks as the 17th largest.
Energy Efficiency
1, Upper High Street, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Apr 2026.
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
1, Upper High Street, Treharris last changed hands on 24th April 2026, selling for £50,000. 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 12.8% since April 2026.
- Sold Apr 2026£50,000
- Sold Jul 1997£15,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 6 sales of comparable properties within 2.5 kilometres of 1, Upper High Street, Treharris since 2011.
Most recently, 51, Cardiff Road, Merthyr Tydfil, CF48 4JZ, a freehold house, sold at £68,000 on the 14th November 2025.
Read more about house prices in CF46.
- Sold Nov 2025£68,000 | 2 Bed House51, Cardiff Road, Merthyr Tydfil, CF48 4JZ51, Cardiff Road, Merthyr Tydfil, CF48 4JZ
- Sold Sep 2019£59,000 | 2 Bed House46, Cardiff Road, Merthyr Tydfil, CF48 4JZ46, Cardiff Road, Merthyr Tydfil, CF48 4JZ
- Sold Dec 2018£59,000 | 3 Bed House5, Upper High Street, Treharris, CF46 6RY5, Upper High Street, Treharris, CF46 6RY
- Sold Jan 2016£27,500 | 2 Bed House58, Cardiff Road, Merthyr Tydfil, CF48 4JZ58, Cardiff Road, Merthyr Tydfil, CF48 4JZ
- Sold Dec 2013£70,000 | 3 Bed House7, Upper High Street, Treharris, CF46 6RY7, Upper High Street, Treharris, CF46 6RY
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 £107,743, ranging from £49,965 to £151,246.
- Catral House
3 Bed House | 11 m | Est. Value: £145,445
- 3 Upper High Street
3 Bed House | 14 m | Est. Value: £64,922
- 1 Bedlinog Terrace
3 Bed House | 27 m | Est. Value: £110,437
- 5 Upper High Street
3 Bed House | 28 m | Est. Value: £57,420
- 2 Bedlinog Terrace
3 Bed House | 32 m | Est. Value: £88,364
Location Comparison
Our analysis of the public data ranks 1, Upper High Street, Treharris as the 16th largest and the 17th most expensive of the 23 addresses on Upper High Street, Bedlinog, Treharris, CF46.
Against the CF46 postcode district average, it is £101k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Troed-y-rhiw|2.5 km away
- Merthyr Vale|2.6 km away
- Pentre-Bach|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.
