Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
40, William Street, Blackwood, NP12 1NW -	26 Sep 2025	£165,000	96 m² 1033 sqft	£1,718 £159	Terrace (3 bed)
46, William Street, Blackwood, NP12 1NW -	16 Jun 2025	£188,000	103 m² 1108 sqft	£1,825 £169	Terrace (3 bed)
34, William Street, Blackwood, NP12 1NW -	13 Oct 2023	£140,000	90 m² 968 sqft	£1,555 £144	Terrace (3 bed)
45, William Street, Blackwood, NP12 1NW -	19 Nov 2021	£121,000 B	92 m² 990 sqft	£1,315 £122	Terrace (3 bed)
28, William Street, Blackwood, NP12 1NW -	11 Apr 2019	£125,000	109 m² 1173 sqft	£1,146 £106	Terrace (3 bed)
44, William Street, Blackwood, NP12 1NW -	15 Dec 2017	£115,000			Terrace (3 bed)
41, William Street, Blackwood, NP12 1NW -	08 Sep 2017	£80,000	98 m² 1054 sqft	£816 £75	Terrace (3 bed)
37, William Street, Blackwood, NP12 1NW -	24 Nov 2016	£74,000	95 m² 1022 sqft	£778 £72	Terrace (3 bed)
38, William Street, Blackwood, NP12 1NW	15 Nov 2013	£75,000	99 m² 1065 sqft	£757 £70	Terrace (3 bed)
36, William Street, Blackwood, NP12 1NW -	04 Nov 2011	£83,500	94 m² 1011 sqft	£888 £82	Terrace (3 bed)
49, William Street, Blackwood, NP12 1NW	24 Jun 2011	£66,500			Terrace (3 bed)
47, William Street, Blackwood, NP12 1NW	04 May 2007	£89,950			Terrace (2 bed)
22, William Street, Blackwood, NP12 1NW	21 Oct 2005	£93,500			Terrace (3 bed)
24, William Street, Blackwood, NP12 1NW -	01 Jul 2003	£63,950	95 m² 1022 sqft	£673 £62	Terrace (3 bed)
55, William Street, Blackwood, NP12 1NW	30 Apr 2003	£47,000	106 m² 1140 sqft	£443 £41	Terrace (3 bed)
51, William Street, Blackwood, NP12 1NW	14 Dec 2001	£32,000			Terrace
30, William Street, Blackwood, NP12 1NW -	19 Oct 2000	£41,000	92 m² 990 sqft	£445 £41	Terrace (3 bed)
31, William Street, Blackwood, NP12 1NW	28 Jan 1999	£35,000	96 m² 1033 sqft	£364 £33	Terrace (3 bed)
26, William Street, Blackwood, NP12 1NW	06 Dec 1996	£36,000	99 m² 1065 sqft	£363 £33	Terrace (3 bed)
43, William Street, Blackwood, NP12 1NW	28 Apr 1995	£38,000			Terrace (3 bed)
40, William St -	£165,000 Sep-2025	96 1033	1,718 159
46, William St -	£188,000 Jun-2025	103 1108	1,825 169
34, William St -	£140,000 Oct-2023	90 968	1,555 144
45, William St -	£121,000 B Nov-2021	92 990	1,315 122
28, William St -	£125,000 Apr-2019	109 1173	1,146 106
44, William St -	£115,000 Dec-2017
41, William St -	£80,000 Sep-2017	98 1054	816 75
37, William St -	£74,000 Nov-2016	95 1022	778 72
38, William St	£75,000 Nov-2013	99 1065	757 70
36, William St -	£83,500 Nov-2011	94 1011	888 82
49, William St	£66,500 Jun-2011
47, William St	£89,950 May-2007
22, William St	£93,500 Oct-2005
24, William St -	£63,950 Jul-2003	95 1022	673 62
55, William St	£47,000 Apr-2003	106 1140	443 41
51, William St	£32,000 Dec-2001
30, William St -	£41,000 Oct-2000	92 990	445 41
31, William St	£35,000 Jan-1999	96 1033	364 33
26, William St	£36,000 Dec-1996	99 1065	363 33
43, William St	£38,000 Apr-1995

The data above for William Street can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in William Street, Blackwood is £1,811 sqm (£168 per sq ft), this is from sold property prices of the 8 most recent sales.
The majority of homes in Blackwood are now selling for between £1,900 and £2,960 per square metre (£176 and £274 per square foot) , find out more in this local analysis of NP12 1 (Blackwood) house prices.
There are roughly 48 homes on William Street, we would have expected about 6 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 8 property sales in William Street, averaging about 2 home sales per year .
The average size of all the properties on William Street is 95 m2 (1,022 sqft).