Our Data Sources
23, Alderman Close, Blackwood has no records in the the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 23, Alderman Close, Blackwood would be worth £160,253, with a potential rental value of £978 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £141,938, with a rental value of £866 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, Alderman Close, Blackwood occupies a 104 m2 plot as recorded by HM Land Registry.
All 21 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
23, Alderman Close, Blackwood has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Nov 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
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 540 metres of 23, Alderman Close, Blackwood across the last 2 years.
Most recently, 13, Waun Llwyn Crescent, Blackwood, NP12 1WQ, a freehold house, sold at £140,000 on the 6th March 2026.
Read more about house prices in NP12.
- Sold Mar 2026£140,000 | 3 Bed House13, Waun Llwyn Crescent, Blackwood, NP12 1WQ13, Waun Llwyn Crescent, Blackwood, NP12 1WQ
- Sold Jan 2026£144,000 | 3 Bed House25, Croeso Square, Blackwood, NP12 1WE25, Croeso Square, Blackwood, NP12 1WE
- Sold Aug 2025£138,500 | 3 Bed House60, Chartist Way, Blackwood, NP12 1WH60, Chartist Way, Blackwood, NP12 1WH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 23, Alderman Close, Blackwood as the 8th largest and the 8th most expensive of the 21 addresses on Alderman Close, Blackwood, NP12.
Against the NP12 postcode district average, it is £37k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 1.8kmPengam
- 2.4kmGilfach Fargoed
- 2.7kmHengoed
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.












