Our Data Sources
21, Lon Tredegar, Blackwood has 2 entries in the Land Registry , most recently in March 2023 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the 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 21, Lon Tredegar, Blackwood, we estimate a market value of £268,175 and a rental value of £1,125 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £237,527 and £997 per month respectively.
Sold Prices
The most recent sale of 21, Lon Tredegar, Blackwood completed on 24th March 2023 at £225,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 32.9% over the period since March 2023.
- Sold Mar 2023£225,000
- Sold May 2019£159,495
Similar Properties Sold Nearby
Over the past 2 years 211 properties similar to 21, Lon Tredegar, Blackwood have sold within a radius of 950 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th February 2026, was 2, Lon Rhymni, Blackwood, NP12 2QZ, a freehold house which sold for £250,000.
Read more about house prices in NP12.
- Sold Feb 2026£250,000 | 3 Bed House2, Lon Rhymni, Blackwood, NP12 2QZ2, Lon Rhymni, Blackwood, NP12 2QZ
- Sold Oct 2025£240,000 | 3 Bed House6, Ffordd Trefynwy, Blackwood, NP12 2QY6, Ffordd Trefynwy, Blackwood, NP12 2QY
- Sold Mar 2025£235,000 | 3 Bed House8, Ffordd Trefynwy, Blackwood, NP12 2QY8, Ffordd Trefynwy, Blackwood, NP12 2QY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 42 addresses on Lon Tredegar, Gellihaf, Blackwood, NP12, 21, Lon Tredegar, Blackwood comes out as the 24th largest and the 24th most expensive in our analysis of the public data.
It is also £66k more expensive than the average property across the NP12 district.
More reading links
Schools Nearby
Public Transport Nearby
- Hengoed|800 m away
- Ystrad Mynach|2.2 km away
- Pengam|2.6 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












