Our Data Sources
10, 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 10, Clos Trefin, Blackwood, we estimate a market value of £167,918 and a rental value of £1,001 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £148,727 and £887 per month respectively.
Energy Efficiency
10, Clos Trefin, Blackwood has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 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
Over the past 2 years 170 properties similar to 10, Clos Trefin, Blackwood have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st March 2026, was 19, Gelligroes Road, Blackwood, NP12 2JU, a freehold house which sold for £168,000.
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
Of the 29 addresses on Clos Trefin, Pontllanfraith, Blackwood, NP12, 10, Clos Trefin, Blackwood comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.
It is also £30k less expensive than the average property across the NP12 district.
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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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












