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
34, William Street, Caernarfon, LL55 1ND	10 Jan 2025	£90,000	67 m² 721 sqft	£1,343 £124	Terrace (2 bed)
28, William Street, Caernarfon, LL55 1ND -	24 Oct 2024	£90,000	76 m² 818 sqft	£1,184 £109	Terrace (2 bed)
37, William Street, Caernarfon, LL55 1ND -	22 Jul 2024	£111,000	70 m² 753 sqft	£1,585 £147	Terrace (2 bed)
4, William Street, Caernarfon, LL55 1ND -	29 Sep 2023	£118,000 B	58 m² 624 sqft	£2,034 £188	Terrace (2 bed)
39, William Street, Caernarfon, LL55 1ND -	27 Oct 2022	£110,000	69 m² 742 sqft	£1,594 £148	Terrace (2 bed)
40, William Street, Caernarfon, LL55 1ND -	10 Jun 2022	£134,000	61 m² 656 sqft	£2,196 £204	Terrace (2 bed)
20, William Street, Caernarfon, LL55 1ND -	23 May 2022	£107,500	72 m² 775 sqft	£1,493 £138	Terrace (2 bed)
29, William Street, Caernarfon, LL55 1ND -	20 Aug 2021	£102,000	56 m² 602 sqft	£1,821 £169	Terrace (2 bed)
11, William Street, Caernarfon, LL55 1ND -	07 Jan 2021	£110,000	94 m² 1011 sqft	£1,170 £108	Semi-D (3 bed)
21, William Street, Caernarfon, LL55 1ND -	16 Dec 2020	£90,000	58 m² 624 sqft	£1,551 £144	Terrace (2 bed)
14, William Street, Caernarfon, LL55 1ND -	23 Jun 2020	£95,000	74 m² 796 sqft	£1,283 £119	Terrace (2 bed)
32, William Street, Caernarfon, LL55 1ND -	22 Jul 2019	£95,000	64 m² 688 sqft	£1,484 £137	Terrace (2 bed)
2, William Street, Caernarfon, LL55 1ND -	16 May 2016	£111,000	61 m² 656 sqft	£1,819 £168	Terrace (3 bed)
15, William Street, Caernarfon, LL55 1ND	31 Mar 2015	£98,500 B	66 m² 710 sqft	£1,492 £138	Terrace (2 bed)
18, William Street, Caernarfon, LL55 1ND	14 Nov 2014	£90,000	86 m² 925 sqft	£1,046 £97	Terrace
38, William Street, Caernarfon, LL55 1ND -	19 Dec 2013	£85,000	63 m² 678 sqft	£1,349 £125	Terrace (2 bed)
17, William Street, Caernarfon, LL55 1ND	15 Jan 2013	£88,000	74 m² 796 sqft	£1,189 £110	Terrace (2 bed)
30, William Street, Caernarfon, LL55 1ND -	17 Oct 2012	£82,500	61 m² 656 sqft	£1,352 £125	Terrace (2 bed)
22, William Street, Caernarfon, LL55 1ND -	02 Dec 2011	£98,000	66 m² 710 sqft	£1,484 £137	Terrace (2 bed)
25, William Street, Caernarfon, LL55 1ND -	09 Sep 2011	£100,000	79 m² 850 sqft	£1,265 £117	Terrace (2 bed)
10, William Street, Caernarfon, LL55 1ND -	11 Dec 2009	£86,500	81 m² 871 sqft	£1,067 £99	Terrace (2 bed)
8, William Street, Caernarfon, LL55 1ND -	12 Dec 2007	£113,000	76 m² 818 sqft	£1,486 £138	Terrace (2 bed)
16, William Street, Caernarfon, LL55 1ND -	05 Oct 2006	£107,000	77 m² 828 sqft	£1,389 £129	Terrace (2 bed)
36, William Street, Caernarfon, LL55 1ND	21 Dec 2005	£57,000	62 m² 667 sqft	£919 £85	Terrace (2 bed)
35, William Street, Caernarfon, LL55 1ND	07 Dec 2005	£77,000	55 m² 592 sqft	£1,400 £130	Terrace (2 bed)
6, William Street, Caernarfon, LL55 1ND	05 Mar 2004	£79,600	57 m² 613 sqft	£1,396 £129	Terrace (2 bed)
13, William Street, Caernarfon, LL55 1ND	21 Aug 2002	£46,000			Terrace (2 bed)
19, William Street, Caernarfon, LL55 1ND	22 Sep 2000	£37,000	65 m² 699 sqft	£569 £52	Terrace (2 bed)
33, William Street, Caernarfon, LL55 1ND	27 Sep 1996	£27,000	71 m² 764 sqft	£380 £35	Terrace (2 bed)
27, William Street, Caernarfon, LL55 1ND -	23 Feb 1996	£12,500	55 m² 592 sqft	£227 £21	Terrace (2 bed)
34, William St	£90,000 Jan-2025	67 721	1,343 124
28, William St -	£90,000 Oct-2024	76 818	1,184 109
37, William St -	£111,000 Jul-2024	70 753	1,585 147
4, William St -	£118,000 B Sep-2023	58 624	2,034 188
39, William St -	£110,000 Oct-2022	69 742	1,594 148
40, William St -	£134,000 Jun-2022	61 656	2,196 204
20, William St -	£107,500 May-2022	72 775	1,493 138
29, William St -	£102,000 Aug-2021	56 602	1,821 169
11, William St -	£110,000 Jan-2021	94 1011	1,170 108
21, William St -	£90,000 Dec-2020	58 624	1,551 144
14, William St -	£95,000 Jun-2020	74 796	1,283 119
32, William St -	£95,000 Jul-2019	64 688	1,484 137
2, William St -	£111,000 May-2016	61 656	1,819 168
15, William St	£98,500 B Mar-2015	66 710	1,492 138
18, William St	£90,000 Nov-2014	86 925	1,046 97
38, William St -	£85,000 Dec-2013	63 678	1,349 125
17, William St	£88,000 Jan-2013	74 796	1,189 110
30, William St -	£82,500 Oct-2012	61 656	1,352 125
22, William St -	£98,000 Dec-2011	66 710	1,484 137
25, William St -	£100,000 Sep-2011	79 850	1,265 117
10, William St -	£86,500 Dec-2009	81 871	1,067 99
8, William St -	£113,000 Dec-2007	76 818	1,486 138
16, William St -	£107,000 Oct-2006	77 828	1,389 129
36, William St	£57,000 Dec-2005	62 667	919 85
35, William St	£77,000 Dec-2005	55 592	1,400 130
6, William St	£79,600 Mar-2004	57 613	1,396 129
13, William St	£46,000 Aug-2002
19, William St	£37,000 Sep-2000	65 699	569 52
33, William St	£27,000 Sep-1996	71 764	380 35
27, William St -	£12,500 Feb-1996	55 592	227 21

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, Caernarfon is £1,565 sqm (£145 per sq ft), this is from the price paid of the 6 most recent sales.
The majority of homes in Caernarfon are now selling for between £1,790 and £2,540 per square metre (£166 and £235 per square foot) , find out more in this local analysis of LL55 1 (Caernarfon) house prices.
There are roughly 30 homes on William Street, we would have expected approximately 4 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 6 property sales in William Street, averaging approximately 1 home sales per year .
The average size of all the properties on William Street is 67 m2 (721 sqft).