21, Llys Yr Eifl, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Jul 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 72 sales of properties similar to 21, Llys Yr Eifl, Caernarfon within a radius of 680 metres since 2009.

The most recent example is 8, Beulah Square, Caernarfon, LL55 2LA, a freehold house which sold for £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 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 Jul 2022£160,000 | 3 Bed House20, Marcus Street, Caernarfon, LL55 2HT20, Marcus Street, Caernarfon, LL55 2HT
• Sold Sep 2019£123,000 | 3 Bed House1, Beulah Square, Caernarfon, LL55 2LA1, Beulah Square, Caernarfon, LL55 2LA
• 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 Jan 2016£115,000 | 3 Bed House23, Llys Yr Eifl, Caernarfon, LL55 2LJ23, Llys Yr Eifl, Caernarfon, LL55 2LJ
• 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

Llys Yr Eifl, Caernarfon, LL55 has a total of 61 addresses. According to our analysis of all the public data, 21, Llys Yr Eifl, Caernarfon is the 12th largest and the 11th most expensive property on the street.

When compared to the postcode district it is £50k less expensive than the average property in LL55.

• Llanfairpwll

  |

  10.5 km away
• Bodorgan

  |

  12.8 km away
• Bangor (Gwynedd)

  |

  13.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.