Our Data Sources
20, Mandeg, Treharris has no records in the Land Registry and a single entry in the EPC database dated October 2019.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 20, Mandeg, Treharris would be worth £112,231, with a potential rental value of £670 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £99,405, with a rental value of £594 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
20, Mandeg, Treharris has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Oct 2019.
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 1 sale of a comparable property within 1.0 kilometres of 20, Mandeg, Treharris across the last 2 years.
Most recently, Flat 1, Old Bethel Chapel, Perrott Street, Treharris, CF46 5ET, a leasehold flat, sold at £750,000 on the 5th March 2025.
Read more about house prices in CF46.
- Sold Mar 2025£750,000 | 3 Bed FlatFlat 1, Old Bethel Chapel, Perrott Street, Treharris, CF46 5ETFlat 1, Old Bethel Chapel, Perrott Street, Treharris, CF46 5ET
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 £139,659, ranging from £85,382 to £175,456.
- 19 Mandeg
3 Bed Flat | 0 m | Est. Value: £106,887
- 17 Mandeg
3 Bed Flat | 2 m | Est. Value: £106,887
- 18 Mandeg
3 Bed Flat | 2 m | Est. Value: £106,887
- 12 Nantgwyn
3 Bed House | 27 m | Est. Value: £141,050
- 14 Nantgwyn
3 Bed House | 30 m | Est. Value: £157,157
Location Comparison
Our analysis of the public data ranks 20, Mandeg, Treharris as the 19th largest and the 20th most expensive of the 30 addresses on Mandeg, Trelewis, Treharris, CF46.
Against the CF46 postcode district average, it is £53k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Quakers Yard|2.3 km away
- Abercynon|3.2 km away
- Ystrad Mynach|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.












