16, Mountain Street, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jan 2021.

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

Land Registry records and our Estate Agent network show 28 sales of comparable properties within 530 metres of 16, Mountain Street, Caernarfon since 2010.

Most recently, 4, Mary Street, Caernarfon, LL55 1NE, a freehold house, sold at £118,500 on the 5th June 2026.

Read more about house prices in LL55.

• Sold Jun 2026£118,500 | 2 Bed House4, Mary Street, Caernarfon, LL55 1NE4, Mary Street, Caernarfon, LL55 1NE
• Sold Oct 2025£124,000 | 2 Bed House17, Constantine Terrace, Caernarfon, LL55 2HL17, Constantine Terrace, Caernarfon, LL55 2HL
• Sold May 2025£55,000 | 2 Bed House6A, Eastgate Street, Caernarfon, LL55 1AG6A, Eastgate Street, Caernarfon, LL55 1AG
• Sold May 2025£85,000 | 2 Bed House6, Holywell Terrace, Caernarfon, LL55 2AP6, Holywell Terrace, Caernarfon, LL55 2AP
• Sold May 2025£105,000 | 2 Bed House34, New Street, Caernarfon, LL55 2PU34, New Street, Caernarfon, LL55 2PU
• Sold Dec 2024£121,000 | 2 Bed House1, Mark Lane, Caernarfon, LL55 2RY1, Mark Lane, Caernarfon, LL55 2RY
• Sold Dec 2024£130,000 | 2 Bed House11, Pool Street, Caernarfon, LL55 2AD11, Pool Street, Caernarfon, LL55 2AD
• Sold Oct 2024£80,000 | 2 Bed House4, Holywell Terrace, Caernarfon, LL55 2AP4, Holywell Terrace, Caernarfon, LL55 2AP
• Sold Mar 2024£115,000 | 2 Bed House42, Chapel Street, Caernarfon, LL55 2PS42, Chapel Street, Caernarfon, LL55 2PS
• Sold Dec 2023£105,000 | 2 Bed House2, Mark Lane, Caernarfon, LL55 2RY2, Mark Lane, Caernarfon, LL55 2RY
• Sold Sep 2023£118,000 | 2 Bed House4, William Street, Caernarfon, LL55 1ND4, William Street, Caernarfon, LL55 1ND
• Sold Mar 2023£108,000 | 2 Bed House6, Cwrt Pafiliwn, Caernarfon, LL55 1BW6, Cwrt Pafiliwn, Caernarfon, LL55 1BW
• Sold Jun 2022£118,000 | 2 Bed House5, Priory Terrace, Caernarfon, LL55 1TB5, Priory Terrace, Caernarfon, LL55 1TB
• Sold Nov 2021£89,950 | 2 Bed House8, Holywell Terrace, Caernarfon, LL55 2AP8, Holywell Terrace, Caernarfon, LL55 2AP
• Sold Sep 2021£135,000 | 2 Bed House39, Snowdon Street, Caernarfon, LL55 2RD39, Snowdon Street, Caernarfon, LL55 2RD
• Sold Aug 2021£102,000 | 2 Bed House29, William Street, Caernarfon, LL55 1ND29, William Street, Caernarfon, LL55 1ND
• Sold Apr 2021£90,000 | 2 Bed House9, Snowdon Street, Caernarfon, LL55 2RD9, Snowdon Street, Caernarfon, LL55 2RD
• Sold Dec 2020£90,000 | 2 Bed House21, William Street, Caernarfon, LL55 1ND21, William Street, Caernarfon, LL55 1ND
• Sold Aug 2013£70,000 | 2 Bed House44, Pool Street, Caernarfon, LL55 2AB44, Pool Street, Caernarfon, LL55 2AB
• Sold Sep 2010£78,000 | 2 Bed House27, South Penrallt, Caernarfon, LL55 1NS27, South Penrallt, Caernarfon, LL55 1NS

Our analysis of the public data ranks 16, Mountain Street, Caernarfon as the 34th largest and the 34th most expensive of the 40 addresses on Mountain Street, Caernarfon, LL55.

Against the LL55 postcode district average, it is £106k less expensive than the typical property.

• Llanfairpwll

  |

  9.7 km away
• Bodorgan

  |

  12.2 km away
• Bangor (Gwynedd)

  |

  12.6 km away

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