House prices in William Street, Caernarfon, LL55
59 homes have sold on William Street (LL55) since 1995, the first in 1996. Over the last five years the median sold price was £107,500 from 7 sales, 44% below the Caernarfon median of £192,000and against £205,000 across LL55. Sales here have been terraced 95%, semi-detached 5%.
- Median sold price
- £107,500
- last five years · 7 sales
- Half of sales were above this price, half below
- Price per sq ft
- £147
- based on 7 of 7 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 59
- 0 in the last 12 months
- Latest sale
- £90,000
- 10 Jan 2025
- vs Caernarfon
- −44%
- Caernarfon median £192,000
Every sale on William Street, LL55
› 34 LL55 1ND · Terraced £90,000· 10 Jan 2025
| 10 Jan 2025 | £90,000 | Terraced · Freehold | 721 sq ft · £125/sq ft | first recorded sale |
› 28 LL55 1ND · Terraced £90,000· 24 Oct 2024
| 24 Oct 2024 | £90,000 | Terraced · Freehold | 818 sq ft · £110/sq ft | first recorded sale |
› 37 LL55 1ND · Terraced £111,000· 22 Jul 2024 · 2 sales
| 22 Jul 2024 | £111,000 | Terraced · Freehold | 753 sq ft · £147/sq ft | first recorded sale |
| 11 Jun 2018 | £92,000 | Terraced · Freehold | 753 sq ft · £122/sq ft | −17% vs 2024 |
› 4 LL55 1ND · Terraced £118,000· 29 Sept 2023 · 3 sales
| 29 Sept 2023 | £118,000 | Terraced · Freehold | 624 sq ft · £189/sq ft | +97% vs 2003 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase), so not used in averages. | ||||
| 27 Jul 2004 | £77,500 | Terraced · Freehold | 624 sq ft · £124/sq ft | −34% vs 2023 |
| 31 Oct 2003 | £59,950 | Terraced · Freehold | 624 sq ft · £96/sq ft | first recorded sale |
› 39 LL55 1ND · Terraced £110,000· 27 Oct 2022 · 2 sales
| 27 Oct 2022 | £110,000 | Terraced · Freehold | 743 sq ft · £148/sq ft | +38% vs 2004 |
| 26 Nov 2004 | £79,950 | Terraced · Freehold | 743 sq ft · £108/sq ft | first recorded sale |
› 40 LL55 1ND · Terraced £134,000· 10 Jun 2022 · 3 sales
| 10 Jun 2022 | £134,000 | Terraced · Freehold | 657 sq ft · £204/sq ft | +62% vs 2018 |
| 8 Jun 2018 | £82,500 | Terraced · Freehold | 657 sq ft · £126/sq ft | first recorded sale |
| 10 Feb 2015 | £88,500 | Terraced · Freehold | 657 sq ft · £135/sq ft | −34% vs 2022 |
› 20 LL55 1ND · Terraced £107,500· 23 May 2022 · 3 sales
| 23 May 2022 | £107,500 | Terraced · Freehold | 775 sq ft · £139/sq ft | +122% vs 2002 |
| 6 Sept 2002 | £48,500 | Terraced · Freehold | 775 sq ft · £63/sq ft | first recorded sale |
| 11 Feb 1997 | £34,950 | Terraced · Freehold | 775 sq ft | −67% vs 2022 |
› 29 LL55 1ND · Terraced £102,000· 20 Aug 2021 · 2 sales
| 20 Aug 2021 | £102,000 | Terraced · Freehold | 624 sq ft · £163/sq ft | first recorded sale |
| 17 Dec 2003 | £63,000 | Terraced · Freehold | 624 sq ft · £101/sq ft | −38% vs 2021 |
› 11 LL55 1ND · Semi-detached £110,000· 7 Jan 2021 · 3 sales
| 7 Jan 2021 | £110,000 | Semi-detached · Freehold | 1,012 sq ft · £109/sq ft | +175% vs 1998 |
| 4 May 2006 | £117,000 | Semi-detached · Freehold | 1,012 sq ft · £116/sq ft | +6% vs 2021 |
| 24 Jul 1998 | £40,000 | Semi-detached · Freehold | 1,012 sq ft | first recorded sale |
› 21 LL55 1ND · Terraced £90,000· 16 Dec 2020 · 3 sales
| 16 Dec 2020 | £90,000 | Terraced · Freehold | 624 sq ft · £144/sq ft | +32% vs 2015 |
| 7 Sept 2015 | £68,000 | Terraced · Freehold | 624 sq ft · £109/sq ft | +5% vs 2014 |
| 20 Jun 2014 | £65,000 | Terraced · Freehold | 624 sq ft · £104/sq ft | first recorded sale |
› 14 LL55 1ND · Terraced £95,000· 23 Jun 2020 · 3 sales
| 23 Jun 2020 | £95,000 | Terraced · Freehold | 797 sq ft · £119/sq ft | +74% vs 2003 |
| 30 Jun 2006 | £98,650 | Terraced · Freehold | 797 sq ft · £124/sq ft | first recorded sale |
| 17 Apr 2003 | £54,500 | Terraced · Freehold | 797 sq ft · £68/sq ft | −45% vs 2006 |
› 32 LL55 1ND · Terraced £95,000· 22 Jul 2019 · 3 sales
| 22 Jul 2019 | £95,000 | Terraced · Freehold | 689 sq ft · £138/sq ft | +79% vs 2003 |
| 21 Feb 2003 | £53,000 | Terraced · Freehold | 689 sq ft · £77/sq ft | first recorded sale |
| 10 Jul 1997 | £31,000 | Terraced · Freehold | 689 sq ft | −67% vs 2019 |
› 2 LL55 1ND · Terraced £111,000· 16 May 2016 · 5 sales
| 16 May 2016 | £111,000 | Terraced · Freehold | 657 sq ft · £169/sq ft | +200% vs 2001 |
| 27 Oct 2003 | £73,000 | Terraced · Freehold | 657 sq ft · £111/sq ft | −34% vs 2016 |
| 26 Oct 2001 | £37,000 | Terraced · Freehold | 657 sq ft · £56/sq ft | +19% vs 1998 |
| 2 Sept 1999 | £30,500 | Terraced · Freehold | 657 sq ft | −58% vs 2003 |
| 8 May 1998 | £31,000 | Terraced · Freehold | 657 sq ft | first recorded sale |
› 15 LL55 1ND · Terraced £98,500· 31 Mar 2015 · 2 sales
| 31 Mar 2015 | £98,500 | Terraced · Freehold | 710 sq ft · £139/sq ft | +66% vs 2003 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase), so not used in averages. | ||||
| 21 Feb 2003 | £59,500 | Terraced · Freehold | 710 sq ft · £84/sq ft | first recorded sale |
› 18 LL55 1ND · Terraced £90,000· 14 Nov 2014
| 14 Nov 2014 | £90,000 | Terraced · Freehold | 883 sq ft · £102/sq ft | first recorded sale |
› 38 LL55 1ND · Terraced £85,000· 19 Dec 2013 · 3 sales
| 19 Dec 2013 | £85,000 | Terraced · Freehold | 678 sq ft · £125/sq ft | +194% vs 1999 |
| 1 Jul 2005 | £80,000 | Terraced · Freehold | 678 sq ft · £118/sq ft | first recorded sale |
| 29 Mar 1999 | £28,950 | Terraced · Freehold | 678 sq ft | −64% vs 2005 |
› 17 LL55 1ND · Terraced £88,000· 15 Jan 2013
| 15 Jan 2013 | £88,000 | Terraced · Freehold | 797 sq ft · £110/sq ft | first recorded sale |
› 30 LL55 1ND · Terraced £82,500· 17 Oct 2012
| 17 Oct 2012 | £82,500 | Terraced · Freehold | 667 sq ft · £124/sq ft | first recorded sale |
› 22 LL55 1ND · Terraced £98,000· 2 Dec 2011 · 3 sales
| 2 Dec 2011 | £98,000 | Terraced · Freehold | 667 sq ft · £147/sq ft | first recorded sale |
| 8 May 2009 | £75,000 | Terraced · Freehold | 667 sq ft · £112/sq ft | +188% vs 1999 |
| 15 Jan 1999 | £26,000 | Terraced · Freehold | 667 sq ft | −73% vs 2011 |
› 25 LL55 1ND · Terraced £100,000· 9 Sept 2011 · 2 sales
| 9 Sept 2011 | £100,000 | Terraced · Freehold | 818 sq ft · £122/sq ft | first recorded sale |
| 29 Aug 2000 | £28,500 | Terraced · Freehold | 818 sq ft | −72% vs 2011 |
› 10 LL55 1ND · Terraced £86,500· 11 Dec 2009 · 2 sales
| 11 Dec 2009 | £86,500 | Terraced · Freehold | 872 sq ft · £99/sq ft | first recorded sale |
| 17 Feb 1998 | £33,500 | Terraced · Freehold | 872 sq ft | −61% vs 2009 |
› 8 LL55 1ND · Terraced £113,000· 12 Dec 2007 · 2 sales
| 12 Dec 2007 | £113,000 | Terraced · Freehold | 818 sq ft · £138/sq ft | +232% vs 1998 |
| 27 Feb 1998 | £34,000 | Terraced · Freehold | 818 sq ft | first recorded sale |
› 16 LL55 1ND · Terraced £107,000· 5 Oct 2006
| 5 Oct 2006 | £107,000 | Terraced · Freehold | 829 sq ft · £129/sq ft | first recorded sale |
› 36 LL55 1ND · Terraced £57,000· 21 Dec 2005
| 21 Dec 2005 | £57,000 | Terraced · Freehold | 667 sq ft · £85/sq ft | first recorded sale |
› 35 LL55 1ND · Terraced £77,000· 7 Dec 2005
| 7 Dec 2005 | £77,000 | Terraced · Freehold | 592 sq ft · £130/sq ft | first recorded sale |
› 6 LL55 1ND · Terraced £79,600· 5 Mar 2004 · 3 sales
| 5 Mar 2004 | £79,600 | Terraced · Freehold | 614 sq ft · £130/sq ft | first recorded sale |
| 31 Oct 2003 | £73,750 | Terraced · Freehold | 614 sq ft · £120/sq ft | −7% vs 2004 |
| 30 Mar 1999 | £26,000 | Terraced · Freehold | 614 sq ft | −65% vs 2003 |
› 13 LL55 1ND · Terraced £46,000· 21 Aug 2002
| 21 Aug 2002 | £46,000 | Terraced · Freehold | 797 sq ft · £58/sq ft | first recorded sale |
› 19 LL55 1ND · Terraced £37,000· 22 Sept 2000
| 22 Sept 2000 | £37,000 | Terraced · Freehold | 700 sq ft · £53/sq ft | first recorded sale |
› 33 LL55 1ND · Terraced £27,000· 27 Sept 1996
| 27 Sept 1996 | £27,000 | Terraced · Freehold | 764 sq ft | first recorded sale |
› 27 LL55 1ND · Terraced £12,500· 23 Feb 1996
| 23 Feb 1996 | £12,500 | Terraced · Freehold | 603 sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in LL55 is worth roughly £165k–£244k at the district's typical £170–£252 per square foot (313 sales, two years). That is a range, not a valuation.
Check your addressAll sold prices in Caernarfon· LL55 district on the Caernarfon page
Track William Street, LL55
One email a month with the sales newly registered here. No account needed, and you can unsubscribe in one click.
For sale in Caernarfon now
Live listings with £/sq ft against these sold prices
What is my home worth?
Your address's sale history and a £/sq ft-based range
Track Caernarfon
A monthly email when new sales are registered
Sources and method. Sales completed to August 2026, as registered by 4 Oct 2026 · headline figures cover the 12 months to June 2026 (later months are still being registered).Next HM Land Registry release ~28 Oct 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
How we calculate these figures · Ask us to hide a sale or correct a record