Tyn Lon, Caernarfon occupies a 2,357 m² plot as recorded by HM Land Registry.

Of the 11 other houses in this postcode, 9 have recorded plot sizes, and this one ranks as the 6th largest.

Tyn Lon, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Jul 2018.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (dual fuel (mineral and wood)).

Land Registry records and our Estate Agent network show 53 sales of comparable properties within 2.8 kilometres of Tyn Lon, Caernarfon since 2007.

Most recently, Bryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UB, a freehold house, sold at £320,000 on the 31st October 2025.

Read more about house prices in LL54.

• Sold Oct 2025£320,000 | 4 Bed HouseBryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UBBryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UB
• Sold Aug 2024£375,000 | 4 Bed HouseCil Llidiart, Caernarfon, LL54 7EDCil Llidiart, Caernarfon, LL54 7ED
• Sold Jun 2023£300,000 | 4 Bed HouseY Gorlan, Caernarfon, LL54 7YGY Gorlan, Caernarfon, LL54 7YG
• Sold Apr 2023£285,000 | 3 Bed House4 Tyn Llan, Caernarfon, LL54 5UB4 Tyn Llan, Caernarfon, LL54 5UB
• Sold Dec 2022£299,950 | 3 Bed House32, Y Bryn, Caernarfon, LL55 2UN32, Y Bryn, Caernarfon, LL55 2UN
• Sold Aug 2022£368,000 | 3 Bed HouseCeiri, Caernarfon, LL54 7YGCeiri, Caernarfon, LL54 7YG
• Sold Apr 2022£225,000 | 4 Bed HouseGlangors Uchaf, Caernarfon, LL54 7RAGlangors Uchaf, Caernarfon, LL54 7RA
• Sold Nov 2021£305,000 | 3 Bed HouseY Llecyn, Caernarfon, LL54 7NGY Llecyn, Caernarfon, LL54 7NG
• Sold Jun 2021£260,000 | 3 Bed HouseAlltwen, Caernarfon, LL54 7YGAlltwen, Caernarfon, LL54 7YG
• Sold Sep 2019£299,995 | 4 Bed HouseCeris, Caernarfon, LL54 7YHCeris, Caernarfon, LL54 7YH
• Sold Jun 2019£267,500 | 4 Bed HouseCae Maen, Caernarfon, LL54 7NHCae Maen, Caernarfon, LL54 7NH
• Sold Nov 2018£245,000 | 4 Bed HouseGlenydd, Caernarfon, LL54 7YGGlenydd, Caernarfon, LL54 7YG
• Sold May 2018£195,000 | 4 Bed HouseCil Llidiart, Caernarfon, LL54 7NTCil Llidiart, Caernarfon, LL54 7NT
• Sold Jun 2016£219,000 | 3 Bed HouseGwenfro, Caernarfon, LL54 7YGGwenfro, Caernarfon, LL54 7YG
• Sold May 2015£220,000 | 4 Bed House21, Fron Deg, Caernarfon, LL54 7AZ21, Fron Deg, Caernarfon, LL54 7AZ
• Sold Mar 2015£225,000 | 4 Bed House23, Fron Deg, Caernarfon, LL54 7AZ23, Fron Deg, Caernarfon, LL54 7AZ
• Sold Dec 2014£168,000 | 3 Bed HouseGwynfa, Caernarfon, LL54 7YGGwynfa, Caernarfon, LL54 7YG
• Sold Jun 2014£250,000 | 4 Bed HouseBryn, Caernarfon, LL54 7YGBryn, Caernarfon, LL54 7YG
• Sold Jul 2009£173,000 | 3 Bed House6, Gerddi Benar, Caernarfon, LL54 7YJ6, Gerddi Benar, Caernarfon, LL54 7YJ
• Sold Aug 2007£208,000 | 4 Bed HouseGaerwen, Caernarfon, LL54 7PHGaerwen, Caernarfon, LL54 7PH

Our analysis of the public data ranks Tyn Lon, Caernarfon as the 93rd largest and the 65th most expensive of the 260 addresses on Rhostryfan, Caernarfon, LL54.

Against the LL54 postcode district average, it is £101k more expensive than the typical property.

• Llanfairpwll

  |

  14.2 km away
• Bodorgan

  |

  16.0 km away
• Bangor (Gwynedd)

  |

  16.2 km away

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