20, Lon Ty Gwyn, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Dec 2015.

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 568 sales within 620 metres of 20, Lon Ty Gwyn, Caernarfon since 2007.

Most recently, 21, Lon Eilian, Caernarfon, LL55 2EG, a freehold house, sold at £140,000 on the 27th November 2025.

Read more about house prices in LL55.

• Sold Nov 2025£140,000 | 3 Bed House21, Lon Eilian, Caernarfon, LL55 2EG21, Lon Eilian, Caernarfon, LL55 2EG
• Sold Jun 2024£156,350 | 3 Bed House57, Lon Eilian, Caernarfon, LL55 2EG57, Lon Eilian, Caernarfon, LL55 2EG
• Sold Jun 2023£177,500 | 3 Bed House19, Lon Ty Gwyn, Caernarfon, LL55 2EH19, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Mar 2023£151,000 | 3 Bed House10, Lon Ty Gwyn, Caernarfon, LL55 2EH10, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Aug 2022£145,000 | 3 Bed House9, Lon Ty Gwyn, Caernarfon, LL55 2EH9, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Dec 2020£155,000 | 4 Bed House2, Ty Gwyn, Caernarfon, LL55 2EL2, Ty Gwyn, Caernarfon, LL55 2EL
• Sold Sep 2019£215,000 | 3 Bed House37, Gwel Y Llan, Caernarfon, LL55 2SJ37, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Sep 2019£179,999 | 3 Bed House38, Gwel Y Llan, Caernarfon, LL55 2SJ38, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Dec 2015£90,000 | 3 Bed House6, Cil Coed, Caernarfon, LL55 2DP6, Cil Coed, Caernarfon, LL55 2DP
• Sold Feb 2015£88,000 | 3 Bed House49, Lon Eilian, Caernarfon, LL55 2EG49, Lon Eilian, Caernarfon, LL55 2EG
• Sold Jan 2015£80,000 | 3 Bed House7, Cil Coed, Caernarfon, LL55 2DP7, Cil Coed, Caernarfon, LL55 2DP
• Sold Aug 2014£104,000 | 3 Bed House8, Lon Ty Gwyn, Caernarfon, LL55 2EH8, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Mar 2012£96,000 | 3 Bed House6, Lon Helen, Caernarfon, LL55 2EW6, Lon Helen, Caernarfon, LL55 2EW
• Sold Nov 2011£108,000 | 3 Bed House2, Lon Ty Gwyn, Caernarfon, LL55 2EH2, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Nov 2011£93,000 | 3 Bed House53, Lon Eilian, Caernarfon, LL55 2EG53, Lon Eilian, Caernarfon, LL55 2EG
• Sold Oct 2010£89,950 | 3 Bed House16, Lon Cefn Du, Caernarfon, LL55 2EN16, Lon Cefn Du, Caernarfon, LL55 2EN
• Sold Jul 2010£120,000 | 3 Bed House41, Lon Eilian, Caernarfon, LL55 2EG41, Lon Eilian, Caernarfon, LL55 2EG
• Sold Sep 2008£57,000 | 2 Bed Flat7, Lon Helen, Caernarfon, LL55 2EW7, Lon Helen, Caernarfon, LL55 2EW
• Sold Aug 2007£118,000 | 4 Bed House17, Lon Helen, Caernarfon, LL55 2EW17, Lon Helen, Caernarfon, LL55 2EW
• Sold Mar 2007£60,000 | 2 Bed House6, Lon Ty Gwyn, Caernarfon, LL55 2EH6, Lon Ty Gwyn, Caernarfon, LL55 2EH

Our analysis of the public data ranks 20, Lon Ty Gwyn, Caernarfon as the 14th largest and the 23rd most expensive of the 25 addresses on Lon Ty Gwyn, Caernarfon, LL55.

Against the LL55 postcode district average, it is £134k less expensive than the typical property.

• Llanfairpwll

  |

  9.9 km away
• Bangor (Gwynedd)

  |

  12.5 km away
• Bodorgan

  |

  12.9 km away

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