HM Land Registry records the plot of land for 53, Mountain Street, Caernarfon as measuring 59 m².

That makes it the 5th largest plot in the postcode, where 22 of the 40 other houses have recorded plot data.

53, Mountain Street, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jun 2024.

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

The most recent sale of 53, Mountain Street, Caernarfon completed on 10th January 2020 at £87,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 27.3% over the period since January 2020.

• Sold Jan 2020£87,500

Since 2014 119 properties similar to 53, Mountain Street, Caernarfon have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th December 2025, was 34, Margaret Street, Caernarfon, LL55 1NB, a freehold house which sold for £147,500.

Read more about house prices in LL55.

• Sold Dec 2025£147,500 | 3 Bed House34, Margaret Street, Caernarfon, LL55 1NB34, Margaret Street, Caernarfon, LL55 1NB
• Sold Oct 2025£125,000 | 3 Bed House11, Mountain Street, Caernarfon, LL55 1PW11, Mountain Street, Caernarfon, LL55 1PW
• Sold Apr 2025£155,000 | 3 Bed House33, Victoria Street, Caernarfon, LL55 1PN33, Victoria Street, Caernarfon, LL55 1PN
• Sold Feb 2025£168,500 | 3 Bed House6, Edward Street, Caernarfon, LL55 1PH6, Edward Street, Caernarfon, LL55 1PH
• Sold Nov 2024£157,000 | 3 Bed House6, Margaret Street, Caernarfon, LL55 1NB6, Margaret Street, Caernarfon, LL55 1NB
• Sold Sep 2024£170,000 | 3 Bed House51, Mountain Street, Caernarfon, LL55 1PW51, Mountain Street, Caernarfon, LL55 1PW
• Sold Sep 2024£167,500 | 3 Bed House7, Eleanor Street, Caernarfon, LL55 1PG7, Eleanor Street, Caernarfon, LL55 1PG
• Sold Aug 2024£147,000 | 3 Bed House38, Margaret Street, Caernarfon, LL55 1NB38, Margaret Street, Caernarfon, LL55 1NB
• Sold Jun 2024£132,500 | 3 Bed House15, Margaret Street, Caernarfon, LL55 1NB15, Margaret Street, Caernarfon, LL55 1NB
• Sold Nov 2023£130,000 | 3 Bed House2, Mary Street, Caernarfon, LL55 1NE2, Mary Street, Caernarfon, LL55 1NE
• Sold Sep 2023£162,000 | 3 Bed House34, Victoria Street, Caernarfon, LL55 1PN34, Victoria Street, Caernarfon, LL55 1PN
• Sold Mar 2023£125,000 | 3 Bed House9, Margaret Street, Caernarfon, LL55 1NB9, Margaret Street, Caernarfon, LL55 1NB
• Sold Oct 2021£129,500 | 3 Bed House13, Mountain Street, Caernarfon, LL55 1PW13, Mountain Street, Caernarfon, LL55 1PW
• Sold Jan 2021£135,000 | 3 Bed House15, Mountain Street, Caernarfon, LL55 1PW15, Mountain Street, Caernarfon, LL55 1PW
• Sold Jan 2021£110,000 | 3 Bed House33, Mountain Street, Caernarfon, LL55 1PW33, Mountain Street, Caernarfon, LL55 1PW
• Sold May 2020£125,000 | 3 Bed House49, Mountain Street, Caernarfon, LL55 1PW49, Mountain Street, Caernarfon, LL55 1PW
• Sold Mar 2016£95,000 | 3 Bed House45, Mountain Street, Caernarfon, LL55 1PW45, Mountain Street, Caernarfon, LL55 1PW
• Sold Feb 2015£97,500 | 3 Bed House43, Mountain Street, Caernarfon, LL55 1PW43, Mountain Street, Caernarfon, LL55 1PW
• Sold Feb 2015£125,000 | 3 Bed House29, Mountain Street, Caernarfon, LL55 1PW29, Mountain Street, Caernarfon, LL55 1PW
• Sold Jun 2014£117,500 | 3 Bed House35, Mountain Street, Caernarfon, LL55 1PW35, Mountain Street, Caernarfon, LL55 1PW

Of the 40 addresses on Mountain Street, Caernarfon, LL55, 53, Mountain Street, Caernarfon comes out as the 13th largest and the 13th most expensive in our analysis of the public data.

It is also £83k less expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  9.7 km away
• Bodorgan

  |

  12.2 km away
• Bangor (Gwynedd)

  |

  12.6 km away

The flood risk here is rated Very Low, based on Environment Agency data.