17, Llys Tryfan, Caernarfon occupies a 136 m² plot as recorded by HM Land Registry.

Of the 17 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 2nd largest.

17, Llys Tryfan, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Nov 2015.

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

17, Llys Tryfan, Caernarfon last changed hands on 21st July 1997, selling for £18,550. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Jul 1997£18,550

Land Registry records and our Estate Agent network show 74 sales of comparable properties within 610 metres of 17, Llys Tryfan, Caernarfon since 2009.

Most recently, 8, Beulah Square, Caernarfon, LL55 2LA, a freehold house, sold at £170,000 on the 17th April 2026.

Read more about house prices in LL55.

• Sold Apr 2026£170,000 | 3 Bed House8, Beulah Square, Caernarfon, LL55 2LA8, Beulah Square, Caernarfon, LL55 2LA
• Sold Feb 2026£162,500 | 3 Bed House12, Segontium Road South, Caernarfon, LL55 2LL12, Segontium Road South, Caernarfon, LL55 2LL
• Sold Nov 2025£140,000 | 3 Bed House21, Lon Eilian, Caernarfon, LL55 2EG21, Lon Eilian, Caernarfon, LL55 2EG
• Sold Aug 2025£138,500 | 3 Bed House2, Llys Y Foel, Caernarfon, LL55 2LU2, Llys Y Foel, Caernarfon, LL55 2LU
• Sold Apr 2024£135,000 | 3 Bed House9, Beulah Square, Caernarfon, LL55 2LA9, Beulah Square, Caernarfon, LL55 2LA
• Sold Jun 2023£120,000 | 3 Bed House4, Beulah Square, Caernarfon, LL55 2LA4, Beulah Square, Caernarfon, LL55 2LA
• 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 Dec 2022£140,000 | 3 Bed House9, Llys Siabod, Caernarfon, LL55 2LT9, Llys Siabod, Caernarfon, LL55 2LT
• Sold Nov 2022£160,000 | 3 Bed House36, Cefn Hendre, Caernarfon, LL55 2LP36, Cefn Hendre, Caernarfon, LL55 2LP
• Sold May 2021£155,000 | 3 Bed House1, Cae'R Ymryson, Caernarfon, LL55 2LR1, Cae'R Ymryson, Caernarfon, LL55 2LR
• Sold Jul 2019£199,950 | 3 Bed House9, Bryn Hyfryd, Caernarfon, LL55 2UU9, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Jul 2019£120,000 | 3 Bed House16, Llys Siabod, Caernarfon, LL55 2LT16, Llys Siabod, Caernarfon, LL55 2LT
• Sold Apr 2018£115,000 | 3 Bed House1, Bryn Hyfryd, Caernarfon, LL55 2UU1, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Apr 2018£119,500 | 3 Bed House13, Llys Tryfan, Caernarfon, LL55 2LS13, Llys Tryfan, Caernarfon, LL55 2LS
• Sold Feb 2016£151,414 | 3 Bed House10, Bryn Hyfryd, Caernarfon, LL55 2UU10, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Sep 2015£120,000 | 3 Bed House8, Bryn Hyfryd, Caernarfon, LL55 2UU8, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Feb 2015£88,000 | 3 Bed House49, Lon Eilian, Caernarfon, LL55 2EG49, Lon Eilian, Caernarfon, LL55 2EG
• Sold Oct 2014£162,000 | 3 Bed House19, Bryn Hyfryd, Caernarfon, LL55 2UU19, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Nov 2009£105,000 | 3 Bed House8, Llys Tryfan, Caernarfon, LL55 2LS8, Llys Tryfan, Caernarfon, LL55 2LS

Our analysis of the public data ranks 17, Llys Tryfan, Caernarfon as the largest and the 2nd most expensive of the 17 addresses on Llys Tryfan, Caernarfon, LL55.

Against the LL55 postcode district average, it is £49k less expensive than the typical property.

• Llanfairpwll

  |

  10.2 km away
• Bodorgan

  |

  12.8 km away
• Bangor (Gwynedd)

  |

  12.9 km away

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