Our Data Sources
9, 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
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 9, Heol Trelyn, Blackwood, we estimate a market value of £109,972 and a rental value of £748 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £97,404 and £662 per month respectively.
Plot Size
HM Land Registry records the plot of land for 9, Heol Trelyn, Blackwood as measuring 238 m2.
That makes it the largest plot in the postcode, where 16 of the 24 other houses have recorded plot data.
Energy Efficiency
9, 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
Over the past 2 years 3 properties similar to 9, Heol Trelyn, Blackwood have sold within a radius of 760 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th October 2025, was 21, St. Sannan Road, Blackwood, NP12 2QJ, a freehold house which sold for £100,000.
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
Of the 24 addresses on Heol Trelyn, Pontllanfraith, Blackwood, NP12, 9, Heol Trelyn, Blackwood comes out as the 22nd largest and the 22nd most expensive in our analysis of the public data.
It is also £85k less expensive than the average property across the NP12 district.
More reading links
Schools Nearby
Public Transport Nearby
- 1.5kmHengoed
- 2.4kmPengam
- 2.9kmYstrad Mynach
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.
