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
22, William Street, Ystrad, CF41 7QR -	01 Jul 2025	£88,000	56 m² 602 sqft	£1,571 £145	Terrace (3 bed)
21, William Street, Ystrad, CF41 7QR	21 Mar 2025	£182,250	120 m² 1291 sqft	£1,518 £141	Terrace (2 bed)
20, William Street, Ystrad, CF41 7QR -	25 Oct 2024	£146,000	124 m² 1334 sqft	£1,177 £109	Detached (3 bed)
Tenby House, 19, William Street, Ystrad, CF41 7QR -	25 Sep 2023	£170,000	107 m² 1151 sqft	£1,588 £147	Terrace (3 bed)
7, William Street, Ystrad, CF41 7QR	12 Jun 2023	£67,000 B	78 m² 839 sqft	£858 £79	Terrace (3 bed)
3, William Street, Ystrad, CF41 7QR	13 Jan 2023	£120,000	80 m² 861 sqft	£1,500 £139	Terrace (3 bed)
6, William Street, Ystrad, CF41 7QR -	02 Dec 2022	£93,000	65 m² 699 sqft	£1,430 £132	Terrace (3 bed)
16, William Street, Ystrad, CF41 7QR -	29 Oct 2021	£85,000	72 m² 775 sqft	£1,180 £109	Terrace (3 bed)
5, William Street, Ystrad, CF41 7QR	01 Aug 2019	£50,000	70 m² 753 sqft	£714 £66	Terrace (3 bed)
24, William Street, Ystrad, CF41 7QR	11 Nov 2015	£42,500 B	72 m² 775 sqft	£590 £54	Terrace (3 bed)
15, William Street, Ystrad, CF41 7QR -	06 Apr 2011	£68,500	63 m² 678 sqft	£1,087 £100	Terrace (3 bed)
9, William Street, Ystrad, CF41 7QR -	08 Aug 2008	£65,000	69 m² 742 sqft	£942 £87	Terrace (3 bed)
18, William Street, Ystrad, CF41 7QR -	23 Jun 2008	£52,500	63 m² 678 sqft	£833 £77	Terrace (2 bed)
23, William Street, Ystrad, CF41 7QR -	23 Jun 2008	£52,500	53 m² 570 sqft	£990 £91	Terrace (2 bed)
25, William Street, Ystrad, CF41 7QR -	16 Jun 2006	£69,950			Terrace (3 bed)
17, William Street, Ystrad, CF41 7QR	11 Jun 2004	£55,000	59 m² 635 sqft	£932 £86	Terrace (3 bed)
11, William Street, Ystrad, CF41 7QR	08 Apr 2004	£49,500	75 m² 807 sqft	£660 £61	Terrace (3 bed)
26, William Street, Ystrad, CF41 7QR	27 Jun 1997	£27,000			Terrace (3 bed)
8, William Street, Ystrad, CF41 7QR	29 Apr 1997	£22,000	79 m² 850 sqft	£278 £25	Terrace (3 bed)
22, William St -	£88,000 Jul-2025	56 602	1,571 145
21, William St	£182,250 Mar-2025	120 1291	1,518 141
20, William St -	£146,000 Oct-2024	124 1334	1,177 109
Tenby House, 19, William St -	£170,000 Sep-2023	107 1151	1,588 147
7, William St	£67,000 B Jun-2023	78 839	858 79
3, William St	£120,000 Jan-2023	80 861	1,500 139
6, William St -	£93,000 Dec-2022	65 699	1,430 132
16, William St -	£85,000 Oct-2021	72 775	1,180 109
5, William St	£50,000 Aug-2019	70 753	714 66
24, William St	£42,500 B Nov-2015	72 775	590 54
15, William St -	£68,500 Apr-2011	63 678	1,087 100
9, William St -	£65,000 Aug-2008	69 742	942 87
18, William St -	£52,500 Jun-2008	63 678	833 77
23, William St -	£52,500 Jun-2008	53 570	990 91
25, William St -	£69,950 Jun-2006
17, William St	£55,000 Jun-2004	59 635	932 86
11, William St	£49,500 Apr-2004	75 807	660 61
26, William St	£27,000 Jun-1997
8, William St	£22,000 Apr-1997	79 850	278 25

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, Ystrad is £1,199 sqm (£111 per sq ft), this is from the Land Registry price paid of the 14 most recent sales.
The majority of homes in Ton Pentre are now selling for between £990 and £1,670 per square metre (£91 and £155 per square foot) , find out more in this local analysis of CF41 7 (Ton Pentre) house prices.
There are approximately 72 homes on William Street, we would have expected roughly 10 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 14 property sales in William Street, averaging roughly 3 home sales per year .
The average size of all the properties on William Street is 88 m2 (947 sqft).