Our Data Sources
22, Heol Isaf, Treharris has no records in the Land Registry and a single entry in the EPC database dated September 2020.
We combine this information with public data 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.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 22, Heol Isaf, Treharris is in very good condition we estimate a sale value of £260,537 and a rental value of £1,271 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £230,761 and a rental value of £1,125 per month.
Plot Size
According to data from HM Land Registry, 22, Heol Isaf, Treharris sits on a plot of 319 m2.
We have plot size data on 35 out of 35 other houses in the postcode and 22, Heol Isaf, Treharris sits on the 22nd largest plot.
Energy Efficiency
22, Heol Isaf, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Sep 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
According to the Land Registry and our network of Estate Agents, there have been 103 sales of properties similar to 22, Heol Isaf, Treharris within a radius of 1.2 kilometres since 2007.
The most recent example is 65, Tawel Fan, Treharris, CF46 6EH, a freehold house which sold for £264,000 on the 24th April 2026.
Read more about house prices in CF46.
- Sold Apr 2026£264,000 | 3 Bed House65, Tawel Fan, Treharris, CF46 6EH65, Tawel Fan, Treharris, CF46 6EH
- Sold Mar 2026£240,000 | 3 Bed House24, Heol Isaf, Treharris, CF46 6NS24, Heol Isaf, Treharris, CF46 6NS
- Sold Oct 2025£255,000 | 3 Bed House49, Beech Tree Way, Treharris, CF46 6NU49, Beech Tree Way, Treharris, CF46 6NU
- Sold Aug 2025£260,000 | 3 Bed House14, Heol Uchaf, Treharris, CF46 6NT14, Heol Uchaf, Treharris, CF46 6NT
- Sold Aug 2025£65,000 | 3 Bed House62, Tawel Fan, Treharris, CF46 6EH62, Tawel Fan, Treharris, CF46 6EH
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 £266,140, ranging from £210,048 to £327,478.
- 20 Heol Isaf
3 Bed House | 7 m | Est. Value: £235,379
- 24 Heol Isaf
3 Bed House | 12 m | Est. Value: £246,560
- 18 Heol Isaf
4 Bed House | 21 m | Est. Value: £327,478
- 16 Heol Isaf
3 Bed House | 30 m | Est. Value: £256,450
- 21 Heol Uchaf
3 Bed House | 33 m | Est. Value: £289,588
Location Comparison
Heol Isaf, Nelson, Treharris, CF46 has a total of 35 addresses. According to our analysis of all the public data, 22, Heol Isaf, Treharris is the 15th largest and the 15th most expensive property on the street.
When compared to the postcode district it is £88k more expensive than the average property in CF46.
More reading links
Schools Nearby
Public Transport Nearby
- Ystrad Mynach|2.7 km away
- Quakers Yard|3.4 km away
- Abercynon|3.4 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












