HM Land Registry records the plot of land for Llys Arfon, Caernarfon as measuring 209 m².

That makes it the 17th largest plot in the postcode, where 24 of the 33 other houses have recorded plot data.

Llys Arfon, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Oct 2024.

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

The most recent sale of Llys Arfon, Caernarfon completed on 1st July 2025 at £192,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 1.7% over the period since July 2025.

Since 2014 85 properties similar to Llys Arfon, Caernarfon have sold within a radius of 2.7 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th April 2026, was 54, Bro Rhythallt, Caernarfon, LL55 4AU, a freehold house which sold for £185,000.

Read more about house prices in LL55.

• Sold Apr 2026£185,000 | 3 Bed House54, Bro Rhythallt, Caernarfon, LL55 4AU54, Bro Rhythallt, Caernarfon, LL55 4AU
• Sold Jan 2026£265,000 | 3 Bed House1, Cae'R Eglwys, Caernarfon, LL55 4FF1, Cae'R Eglwys, Caernarfon, LL55 4FF
• Sold Oct 2025£158,000 | 3 Bed HouseLlys Llewelyn, Station Road, Caernarfon, LL55 4AGLlys Llewelyn, Station Road, Caernarfon, LL55 4AG
• Sold Aug 2025£295,000 | 3 Bed House3, Cae'R Eglwys, Caernarfon, LL55 4FF3, Cae'R Eglwys, Caernarfon, LL55 4FF
• Sold Mar 2025£192,500 | 3 Bed HouseAvondale, Station Road, Caernarfon, LL55 4AGAvondale, Station Road, Caernarfon, LL55 4AG
• Sold Nov 2024£167,000 | 3 Bed HouseMairannedd, Caernarfon, LL55 4ANMairannedd, Caernarfon, LL55 4AN
• Sold Jul 2024£210,000 | 3 Bed HouseBryn Eifion, Station Road, Caernarfon, LL55 4AGBryn Eifion, Station Road, Caernarfon, LL55 4AG
• Sold Apr 2023£202,980 | 3 Bed House10 Rhythallt Terrace, Caernarfon, LL55 4AT10 Rhythallt Terrace, Caernarfon, LL55 4AT
• Sold Sep 2022£237,500 | 3 Bed HouseLlys Dulas, Station Road, Caernarfon, LL55 4AGLlys Dulas, Station Road, Caernarfon, LL55 4AG
• Sold May 2022£166,000 | 3 Bed House4, Arvonia Terrace, Caernarfon, LL55 4AS4, Arvonia Terrace, Caernarfon, LL55 4AS
• Sold Oct 2021£165,000 | 3 Bed HouseLlys Gwynedd, Station Road, Caernarfon, LL55 4AGLlys Gwynedd, Station Road, Caernarfon, LL55 4AG
• Sold Feb 2021£170,000 | 3 Bed HouseAfallon, Caernarfon, LL55 4ATAfallon, Caernarfon, LL55 4AT
• Sold Sep 2019£139,000 | 3 Bed HouseLlain Y Ddol, Caernarfon, LL55 4ANLlain Y Ddol, Caernarfon, LL55 4AN
• Sold Aug 2019£225,000 | 3 Bed HouseLleifior, Caernarfon, LL55 4ANLleifior, Caernarfon, LL55 4AN
• Sold Aug 2019£141,000 | 3 Bed HouseElfryn, Station Road, Caernarfon, LL55 4AGElfryn, Station Road, Caernarfon, LL55 4AG
• Sold Feb 2019£133,000 | 3 Bed House55, Bro Rhythallt, Caernarfon, LL55 4AU55, Bro Rhythallt, Caernarfon, LL55 4AU
• Sold Mar 2018£115,000 | 3 Bed HouseAngorfa, Caernarfon, LL55 4ANAngorfa, Caernarfon, LL55 4AN
• Sold Feb 2017£107,000 | 3 Bed House2 Rhythallt Terrace, Caernarfon, LL55 4AT2 Rhythallt Terrace, Caernarfon, LL55 4AT
• Sold Jan 2017£173,000 | 3 Bed HouseGlan Padarn, Station Road, Caernarfon, LL55 4AGGlan Padarn, Station Road, Caernarfon, LL55 4AG
• Sold Feb 2014£135,000 | 3 Bed HouseGweledfa, Station Road, Caernarfon, LL55 4AGGweledfa, Station Road, Caernarfon, LL55 4AG

Of the 338 addresses on Llanrug, Caernarfon, LL55, Llys Arfon, Caernarfon comes out as the 173rd largest and the 248th most expensive in our analysis of the public data.

It is also £32k less expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  8.4 km away
• Bangor (Gwynedd)

  |

  9.0 km away
• Bodorgan

  |

  16.7 km away

The flood risk here is rated Very Low, based on Environment Agency data.