Our Data Sources
25, Heol Trelyn, Blackwood has no records in the the Land Registry and a single entry in the EPC database dated February 2020.
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 25, Heol Trelyn, Blackwood would be worth £110,644, with a potential rental value of £742 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £97,999, with a rental value of £657 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
25, Heol Trelyn, Blackwood occupies a 222 m2 plot as recorded by HM Land Registry.
Of the 24 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
25, Heol Trelyn, Blackwood has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Feb 2020.
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
Land Registry records and our Estate Agent network show 10 sales of comparable properties within 750 metres of 25, Heol Trelyn, Blackwood across the last 2 years.
Most recently, 21, St. Sannan Road, Blackwood, NP12 2QJ, a freehold house, sold at £100,000 on the 8th October 2025.
Read more about house prices in NP12.
- Sold Oct 2025£100,000 | 3 Bed House21, St. Sannan Road, Blackwood, NP12 2QJ21, St. Sannan Road, Blackwood, NP12 2QJ
- Sold Jun 2021£101,500 | 3 Bed House27, St. Sannan Road, Blackwood, NP12 2QJ27, St. Sannan Road, Blackwood, NP12 2QJ
- Sold Mar 2021£60,000 | 3 Bed House44, St. Sannan Road, Blackwood, NP12 2QJ44, St. Sannan Road, Blackwood, NP12 2QJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 25, Heol Trelyn, Blackwood as the 11th largest and the 11th most expensive of the 24 addresses on Heol Trelyn, Pontllanfraith, Blackwood, NP12.
Against the NP12 postcode district average, it is £84k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Hengoed|1.5 km away
- Pengam|2.4 km away
- Ystrad Mynach|2.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
