Our Data Sources
12, Clos Trefin, Blackwood has no records in the the Land Registry and a single entry in the EPC database dated September 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 12, Clos Trefin, Blackwood is in very good condition we estimate a sale value of £167,918 and a rental value of £1,001 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £148,727 and a rental value of £887 per month.
Energy Efficiency
12, Clos Trefin, Blackwood has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Sep 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 169 sales of properties similar to 12, Clos Trefin, Blackwood within a radius of 730 metres over the last 2 years.
The most recent example is 19, Gelligroes Road, Blackwood, NP12 2JU, a freehold house which sold for £168,000 on the 31st March 2026.
Read more about house prices in NP12.
- Sold Mar 2026£168,000 | 3 Bed House19, Gelligroes Road, Blackwood, NP12 2JU19, Gelligroes Road, Blackwood, NP12 2JU
- Sold Oct 2025£170,000 | 3 Bed House17, Gelligroes Road, Blackwood, NP12 2JU17, Gelligroes Road, Blackwood, NP12 2JU
- Sold Jun 2025£157,000 | 3 Bed House3, Gelligroes Road, Blackwood, NP12 2JU3, Gelligroes Road, Blackwood, NP12 2JU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Clos Trefin, Pontllanfraith, Blackwood, NP12 has a total of 29 addresses. According to our analysis of all the public data, 12, Clos Trefin, Blackwood is the 3rd largest and the 3rd most expensive property on the street.
When compared to the postcode district it is £30k less expensive than the average property in NP12.
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Schools Nearby
Public Transport Nearby
- Hengoed|2.4 km away
- Pengam|3.4 km away
- Newbridge|3.7 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 is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












