HM Land Registry records the plot of land for 17, Lon Arfon, Caernarfon as measuring 209 m².

That makes it the 8th largest plot in the postcode, where 11 of the 22 other houses have recorded plot data.

17, Lon Arfon, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Jan 2011.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 17, Lon Arfon, Caernarfon completed on 22nd March 2019 at £138,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 81.5% over the period since March 2019.

• Sold Mar 2019£138,000
• Sold Jul 2011£105,000

Since 2011 61 properties similar to 17, Lon Arfon, Caernarfon have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th February 2026, was 12, Segontium Road South, Caernarfon, LL55 2LL, a freehold house which sold for £162,500.

Read more about house prices in LL55.

• 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 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 Sep 2022£135,000 | 3 Bed House23, Hafod Terrace, Caernarfon, LL55 2AR23, Hafod Terrace, Caernarfon, LL55 2AR
• Sold Aug 2022£145,000 | 3 Bed House9, Lon Ty Gwyn, Caernarfon, LL55 2EH9, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Nov 2019£143,500 | 3 Bed House18, Lon Arfon, Caernarfon, LL55 2ER18, Lon Arfon, Caernarfon, LL55 2ER
• Sold Oct 2019£133,500 | 3 Bed HouseAwel Y Mor, Victoria Road, Caernarfon, LL55 2RHAwel Y Mor, Victoria Road, Caernarfon, LL55 2RH
• Sold Jul 2019£199,950 | 3 Bed House9, Bryn Hyfryd, Caernarfon, LL55 2UU9, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Sep 2018£150,000 | 3 Bed House10, Segontium Road South, Caernarfon, LL55 2LL10, Segontium Road South, Caernarfon, LL55 2LL
• Sold Oct 2017£85,000 | 3 Bed House1, Gelert Street, Caernarfon, LL55 2LH1, Gelert Street, Caernarfon, LL55 2LH
• Sold Jun 2017£122,000 | 3 Bed House116, Gwel Y Llan, Caernarfon, LL55 2SQ116, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jun 2017£122,000 | 3 Bed House117, Gwel Y Llan, Caernarfon, LL55 2SQ117, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jun 2017£122,000 | 3 Bed House118, Gwel Y Llan, Caernarfon, LL55 2SQ118, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold May 2017£122,000 | 3 Bed House110, Gwel Y Llan, Caernarfon, LL55 2SQ110, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold May 2017£122,000 | 3 Bed House111, Gwel Y Llan, Caernarfon, LL55 2SQ111, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Oct 2016£126,500 | 3 Bed House7, Gelert Street, Caernarfon, LL55 2LH7, Gelert Street, Caernarfon, LL55 2LH
• Sold Feb 2015£88,000 | 3 Bed House49, Lon Eilian, Caernarfon, LL55 2EG49, Lon Eilian, Caernarfon, LL55 2EG
• Sold Nov 2011£93,000 | 3 Bed House53, Lon Eilian, Caernarfon, LL55 2EG53, Lon Eilian, Caernarfon, LL55 2EG

Of the 22 addresses on Lon Arfon, Caernarfon, LL55, 17, Lon Arfon, Caernarfon comes out as the 17th largest and the 17th most expensive in our analysis of the public data.

It is also £44k less expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  10.0 km away
• Bangor (Gwynedd)

  |

  12.7 km away
• Bodorgan

  |

  12.8 km away

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