Our Data Sources
8, John Street, Treharris has no records in the Land Registry and a single entry in the EPC database dated August 2020.
We combine this information with public data 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.
Price Range & Condition
In very good condition, we estimate 8, John Street, Treharris would be worth £127,374, with a potential rental value of £834 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £112,817, with a rental value of £739 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
8, John Street, Treharris occupies a 140 m2 plot as recorded by HM Land Registry.
Of the 39 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 11th largest.
Energy Efficiency
8, John Street, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Aug 2020.
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 242 sales of comparable properties within 680 metres of 8, John Street, Treharris since 2019.
Most recently, 9, Fell Street, Treharris, CF46 5HN, a freehold house, sold at £137,000 on the 1st May 2026.
Read more about house prices in CF46.
- Sold May 2026£137,000 | 3 Bed House9, Fell Street, Treharris, CF46 5HN9, Fell Street, Treharris, CF46 5HN
- Sold Dec 2025£125,000 | 3 Bed House61, Fell Street, Treharris, CF46 5HN61, Fell Street, Treharris, CF46 5HN
- Sold Nov 2025£128,000 | 3 Bed House17, Thornwood Place, Treharris, CF46 5AB17, Thornwood Place, Treharris, CF46 5AB
- Sold Oct 2025£150,000 | 3 Bed House18, Thomas Street, Treharris, CF46 5LG18, Thomas Street, Treharris, CF46 5LG
- Sold Oct 2025£54,500 | 3 Bed House11, Mary Street, Treharris, CF46 5LH11, Mary Street, Treharris, CF46 5LH
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £132,085, ranging from £115,433 to £153,969.
- 9 John Street
3 Bed House | 6 m | Est. Value: £120,858
- 10 John Street
3 Bed House | 11 m | Est. Value: £115,433
- 12 John Street
3 Bed House | 20 m | Est. Value: £128,416
- 1 The Stables John Street
4 Bed House | 26 m | Est. Value: £153,969
- 2 The Stables John Street
4 Bed House | 27 m | Est. Value: £152,753
Location Comparison
Our analysis of the public data ranks 8, John Street, Treharris as the 35th largest and the 35th most expensive of the 39 addresses on John Street, Treharris, CF46.
Against the CF46 postcode district average, it is £39k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Quakers Yard|1.3 km away
- Abercynon|2.6 km away
- Merthyr Vale|3.3 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.












