36, William Street, Caernarfon occupies a 82 m² plot as recorded by HM Land Registry.

Of the 39 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 2nd largest.

36, William Street, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Jul 2020.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

36, William Street, Caernarfon last changed hands on 21st December 2005, selling for £57,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Dec 2005£57,000

Land Registry records and our Estate Agent network show 61 sales of comparable properties within 500 metres of 36, William Street, Caernarfon since 2011.

Most recently, 4, Cadnant Road, Caernarfon, LL55 1NA, a freehold house, sold at £120,000 on the 5th September 2025.

Read more about house prices in LL55.

• Sold Sep 2025£120,000 | 3 Bed House4, Cadnant Road, Caernarfon, LL55 1NA4, Cadnant Road, Caernarfon, LL55 1NA
• Sold Aug 2025£92,500 | 3 Bed House18, New Street, Caernarfon, LL55 2PU18, New Street, Caernarfon, LL55 2PU
• Sold May 2025£105,000 | 2 Bed House34, New Street, Caernarfon, LL55 2PU34, New Street, Caernarfon, LL55 2PU
• Sold Feb 2025£115,000 | 2 Bed House24, South Penrallt, Caernarfon, LL55 1NS24, South Penrallt, Caernarfon, LL55 1NS
• Sold Jan 2025£90,000 | 3 Bed House34, William Street, Caernarfon, LL55 1ND34, William Street, Caernarfon, LL55 1ND
• Sold Jul 2024£111,000 | 3 Bed House37, William Street, Caernarfon, LL55 1ND37, William Street, Caernarfon, LL55 1ND
• Sold Mar 2024£115,000 | 2 Bed House42, Chapel Street, Caernarfon, LL55 2PS42, Chapel Street, Caernarfon, LL55 2PS
• Sold Sep 2023£118,000 | 2 Bed House4, William Street, Caernarfon, LL55 1ND4, William Street, Caernarfon, LL55 1ND
• Sold Feb 2023£137,500 | 2 Bed House37, South Penrallt, Caernarfon, LL55 1NS37, South Penrallt, Caernarfon, LL55 1NS
• Sold Oct 2022£110,000 | 3 Bed House39, William Street, Caernarfon, LL55 1ND39, William Street, Caernarfon, LL55 1ND
• Sold Aug 2022£70,000 | 2 Bed House4, Pool Street, Caernarfon, LL55 2AB4, Pool Street, Caernarfon, LL55 2AB
• Sold Jun 2022£134,000 | 2 Bed House40, William Street, Caernarfon, LL55 1ND40, William Street, Caernarfon, LL55 1ND
• Sold Aug 2021£102,000 | 2 Bed House29, William Street, Caernarfon, LL55 1ND29, William Street, Caernarfon, LL55 1ND
• Sold Dec 2020£90,000 | 2 Bed House21, William Street, Caernarfon, LL55 1ND21, William Street, Caernarfon, LL55 1ND
• Sold Jul 2019£95,000 | 3 Bed House32, William Street, Caernarfon, LL55 1ND32, William Street, Caernarfon, LL55 1ND
• Sold Apr 2019£70,000 | 2 Bed House13, New Street, Caernarfon, LL55 2PU13, New Street, Caernarfon, LL55 2PU
• Sold May 2016£111,000 | 2 Bed House2, William Street, Caernarfon, LL55 1ND2, William Street, Caernarfon, LL55 1ND
• Sold Mar 2015£98,500 | 3 Bed House15, William Street, Caernarfon, LL55 1ND15, William Street, Caernarfon, LL55 1ND
• Sold Oct 2012£82,500 | 2 Bed House30, William Street, Caernarfon, LL55 1ND30, William Street, Caernarfon, LL55 1ND
• Sold Dec 2011£98,000 | 2 Bed House22, William Street, Caernarfon, LL55 1ND22, William Street, Caernarfon, LL55 1ND

Our analysis of the public data ranks 36, William Street, Caernarfon as the 26th largest and the 27th most expensive of the 39 addresses on William Street, Caernarfon, LL55.

Against the LL55 postcode district average, it is £117k less expensive than the typical property.

• Llanfairpwll

  |

  9.8 km away
• Bodorgan

  |

  12.2 km away
• Bangor (Gwynedd)

  |

  12.7 km away

Environment Agency data suggests this area has a Very Low risk of flooding.