Our Data Sources
33, John Street, Treharris has no recent1 records in the Land Registry and a single entry in the EPC database dated March 2022.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 33, John Street, Treharris would be worth £131,467, with a potential rental value of £855 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £116,442, with a rental value of £757 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
33, John Street, Treharris occupies a 119 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 22nd largest.
Energy Efficiency
33, John Street, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Mar 2022.
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
33, John Street, Treharris last changed hands on 6th August 2004, selling for £67,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Aug 2004£67,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 271 sales of comparable properties within 680 metres of 33, John Street, Treharris since 2021.
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.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £117,975, ranging from £90,241 to £153,969.
- 2 The Stables John Street
4 Bed House | 14 m | Est. Value: £152,753
- 1 The Stables John Street
4 Bed House | 20 m | Est. Value: £153,969
- 2 John Street
3 Bed House | 22 m | Est. Value: £126,098
- 1 John Street
3 Bed House | 28 m | Est. Value: £147,174
- 8 John Street
3 Bed House | 29 m | Est. Value: £121,308
Location Comparison
Our analysis of the public data ranks 33, John Street, Treharris as the 32nd largest and the 26th most expensive of the 39 addresses on John Street, Treharris, CF46.
Against the CF46 postcode district average, it is £35k 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.












