18, Glan Seiont, Caernarfon occupies a 315 m² plot as recorded by HM Land Registry.

Of the 53 other houses in this postcode, 42 have recorded plot sizes, and this one ranks as the 18th largest.

18, Glan Seiont, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2022.

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

18, Glan Seiont, Caernarfon last changed hands on 25th May 2000, selling for £59,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold May 2000£59,000

Land Registry records and our Estate Agent network show 131 sales of comparable properties within 820 metres of 18, Glan Seiont, Caernarfon since 2013.

Most recently, 34, Caeau Bach, Caernarfon, LL55 2BZ, a freehold house, sold at £240,000 on the 26th January 2026.

Read more about house prices in LL55.

• Sold Jan 2026£240,000 | 3 Bed House34, Caeau Bach, Caernarfon, LL55 2BZ34, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Dec 2025£325,000 | 3 Bed House40, Gwel Y Llan, Caernarfon, LL55 2SJ40, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Oct 2025£250,000 | 3 Bed House107, Gwel Y Llan, Caernarfon, LL55 2SQ107, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Sep 2025£295,000 | 3 Bed House59, Glan Seiont, Caernarfon, LL55 2DX59, Glan Seiont, Caernarfon, LL55 2DX
• Sold Feb 2025£320,000 | 3 Bed House132, Gwel Y Llan, Caernarfon, LL55 2SQ132, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jan 2025£235,000 | 3 Bed House106, Gwel Y Llan, Caernarfon, LL55 2SQ106, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Nov 2024£231,000 | 3 Bed House105, Gwel Y Llan, Caernarfon, LL55 2SQ105, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jun 2024£212,500 | 3 Bed House27, Caeau Bach, Caernarfon, LL55 2BZ27, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Feb 2024£182,500 | 3 Bed House58, Tyddyn Llwydyn, Caernarfon, LL55 2LX58, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Dec 2023£250,000 | 3 Bed House26, Cwm Silyn, Caernarfon, LL55 2AG26, Cwm Silyn, Caernarfon, LL55 2AG
• Sold Nov 2023£200,000 | 3 Bed House5, Caeau Bach, Caernarfon, LL55 2BZ5, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Jul 2023£205,000 | 3 Bed House57, Ffordd Eryri, Caernarfon, LL55 2UR57, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Oct 2022£190,000 | 3 Bed House50, Maes Meddyg, Caernarfon, LL55 2SF50, Maes Meddyg, Caernarfon, LL55 2SF
• Sold Dec 2021£265,011 | 3 Bed House28, Tyddyn Llwydyn, Caernarfon, LL55 2LX28, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Sep 2021£205,000 | 3 Bed House7, Caeau Bach, Caernarfon, LL55 2BZ7, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Jul 2021£197,500 | 3 Bed House27, Ffordd Eryri, Caernarfon, LL55 2UR27, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Feb 2019£143,000 | 3 Bed House10, Lon Cilgwyn, Caernarfon, LL55 2DQ10, Lon Cilgwyn, Caernarfon, LL55 2DQ
• Sold Mar 2018£178,500 | 3 Bed House62, Tyddyn Llwydyn, Caernarfon, LL55 2LX62, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Feb 2015£185,000 | 3 Bed House67, Glan Seiont, Caernarfon, LL55 2DX67, Glan Seiont, Caernarfon, LL55 2DX
• Sold Sep 2013£152,500 | 3 Bed House39, Caeau Bach, Caernarfon, LL55 2BZ39, Caeau Bach, Caernarfon, LL55 2BZ

Our analysis of the public data ranks 18, Glan Seiont, Caernarfon as the 36th largest and the 28th most expensive of the 54 addresses on Glan Seiont, Caernarfon, LL55.

Against the LL55 postcode district average, it is £38k more expensive than the typical property.

• Llanfairpwll

  |

  10.4 km away
• Bangor (Gwynedd)

  |

  12.9 km away
• Bodorgan

  |

  13.2 km away

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