Plas Llywelyn, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Jul 2020.

The property is not connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (oil).

According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to Plas Llywelyn, Caernarfon within a radius of 3.6 kilometres since 2009.

The most recent example is 6, Bala Deulyn Terrace, Caernarfon, LL54 6BL, a freehold house which sold for £187,500 on the 13th March 2026.

Read more about house prices in LL54.

• Sold Mar 2026£187,500 | 3 Bed House6, Bala Deulyn Terrace, Caernarfon, LL54 6BL6, Bala Deulyn Terrace, Caernarfon, LL54 6BL
• Sold Nov 2025£189,000 | 3 Bed House12, Maes Llyfnwy, Caernarfon, LL54 6HS12, Maes Llyfnwy, Caernarfon, LL54 6HS
• Sold Jul 2025£160,000 | 3 Bed House25, Nantlle Road, Caernarfon, LL54 6AE25, Nantlle Road, Caernarfon, LL54 6AE
• Sold May 2025£185,000 | 3 Bed House10, Victoria Terrace, Caernarfon, LL54 6BP10, Victoria Terrace, Caernarfon, LL54 6BP
• Sold Apr 2025£195,000 | 3 Bed House11, Victoria Terrace, Caernarfon, LL54 6BP11, Victoria Terrace, Caernarfon, LL54 6BP
• Sold Jan 2025£450,000 | 3 Bed HouseBryn Gwyn Farm, Caernarfon, LL54 7APBryn Gwyn Farm, Caernarfon, LL54 7AP
• Sold Aug 2024£182,500 | 3 Bed House2, Victoria Terrace, Caernarfon, LL54 6BP2, Victoria Terrace, Caernarfon, LL54 6BP
• Sold Dec 2023£178,000 | 3 Bed House1 Capel Cesarea, Caernarfon, LL54 7BN1 Capel Cesarea, Caernarfon, LL54 7BN
• Sold Jun 2023£205,000 | 3 Bed HouseBryn Brith, Caernarfon, LL54 7SLBryn Brith, Caernarfon, LL54 7SL
• Sold Jul 2022£245,000 | 3 Bed HouseArdwyn, Caernarfon, LL54 7HRArdwyn, Caernarfon, LL54 7HR
• Sold Nov 2021£180,000 | 3 Bed House14, Victoria Terrace, Caernarfon, LL54 6BP14, Victoria Terrace, Caernarfon, LL54 6BP
• Sold Oct 2021£190,000 | 3 Bed House13, Victoria Terrace, Caernarfon, LL54 6BP13, Victoria Terrace, Caernarfon, LL54 6BP
• Sold Sep 2021£285,000 | 3 Bed HousePenceunant, Caernarfon, LL54 7PUPenceunant, Caernarfon, LL54 7PU
• Sold Jun 2021£231,500 | 3 Bed HouseTan Y Rhiw, Caernarfon, LL54 7RATan Y Rhiw, Caernarfon, LL54 7RA
• Sold Mar 2021£210,000 | 3 Bed House1 Cilfodan Uchaf, Caernarfon, LL54 7AH1 Cilfodan Uchaf, Caernarfon, LL54 7AH
• Sold Dec 2020£157,000 | 3 Bed House9, Kinmel Terrace, Caernarfon, LL54 6BN9, Kinmel Terrace, Caernarfon, LL54 6BN
• Sold Jun 2020£185,000 | 3 Bed House15, Bro Arfon, Caernarfon, LL54 7BH15, Bro Arfon, Caernarfon, LL54 7BH
• Sold Oct 2017£94,000 | 3 Bed House6, Kinmel Terrace, Caernarfon, LL54 6BN6, Kinmel Terrace, Caernarfon, LL54 6BN
• Sold Sep 2015£100,000 | 3 Bed House2, Kinmel Terrace, Caernarfon, LL54 6BN2, Kinmel Terrace, Caernarfon, LL54 6BN
• Sold Jul 2009£137,000 | 3 Bed House9, Victoria Terrace, Caernarfon, LL54 6BP9, Victoria Terrace, Caernarfon, LL54 6BP

Upper Llandwrog, Caernarfon, LL54 has a total of 147 addresses. According to our analysis of all the public data, Plas Llywelyn, Caernarfon is the 40th largest and the 51st most expensive property on the street.

When compared to the postcode district it is £12k less expensive than the average property in LL54.

• Porthmadog

  |

  16.5 km away
• Criccieth

  |

  16.7 km away
• Llanfairpwll

  |

  17.0 km away

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