According to data from HM Land Registry, 22, William Street, Caernarfon sits on a plot of 41 m².

We have plot size data on 38 out of 39 other houses in the postcode and 22, William Street, Caernarfon sits on the 38th largest plot.

22, William Street, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Jun 2023.

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

According to HM Land Registry, 22, William Street, Caernarfon was last sold on 2nd December 2011 for £98,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since December 2011, the market for similar properties has risen by 93.0%.

• Sold Dec 2011£98,000
• Sold May 2009£75,000
• Sold Jan 1999£26,000

According to the Land Registry and our network of Estate Agents, there have been 60 sales of properties similar to 22, William Street, Caernarfon within a radius of 500 metres since 2012.

The most recent example is 4, Cadnant Road, Caernarfon, LL55 1NA, a freehold house which sold for £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 May 2025£110,000 | 2 Bed House33, New Street, Caernarfon, LL55 2PU33, 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

William Street, Caernarfon, LL55 has a total of 39 addresses. According to our analysis of all the public data, 22, William Street, Caernarfon is the 29th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £117k less expensive than the average property in LL55.

• Llanfairpwll

  |

  9.8 km away
• Bodorgan

  |

  12.2 km away
• Bangor (Gwynedd)

  |

  12.7 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.