According to data from HM Land Registry, 21, Alderman Close, Blackwood sits on a plot of 101 m².

We have plot size data on 21 out of 21 other houses in the postcode and 21, Alderman Close, Blackwood sits on the 13th largest plot.

21, Alderman Close, Blackwood has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Dec 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.

According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Alderman Close, Blackwood within a radius of 540 metres over the last 2 years.

The most recent example is 5, Coedcae Walk, Blackwood, NP12 1WP, a freehold house which sold for £147,000 on the 30th March 2026.

Read more about house prices in NP12.

• Sold Mar 2026£147,000 | 3 Bed House5, Coedcae Walk, Blackwood, NP12 1WP5, Coedcae Walk, Blackwood, NP12 1WP
• Sold Aug 2025£138,500 | 3 Bed House60, Chartist Way, Blackwood, NP12 1WH60, Chartist Way, Blackwood, NP12 1WH
• Sold Mar 2025£138,000 | 3 Bed House1, Frost Place, Blackwood, NP12 1WF1, Frost Place, Blackwood, NP12 1WF

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Alderman Close, Blackwood, NP12 has a total of 21 addresses. According to our analysis of all the public data, 21, Alderman Close, Blackwood is the 15th largest and the 15th most expensive property on the street.

When compared to the postcode district it is £42k less expensive than the average property in NP12.

• 1.8

  km

  Pengam
• 2.4

  km

  Gilfach Fargoed
• 2.7

  km

  Hengoed

According to recent data from Ofcom, superfast broadband is available in this area.

According to data from the Environment Agency, the flood risk in this area is considered to be very low.