According to data from HM Land Registry, 4, Lon Arfon, Caernarfon sits on a plot of 229 m².

We have plot size data on 11 out of 22 other houses in the postcode and 4, Lon Arfon, Caernarfon sits on the 5th largest plot.

4, Lon Arfon, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Feb 2017.

The property is 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 62 sales of properties similar to 4, Lon Arfon, Caernarfon within a radius of 530 metres since 2014.

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 Mar 2026£210,000 | 3 Bed House46, Ffordd Eryri, Caernarfon, LL55 2UR46, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Feb 2026£162,500 | 3 Bed House12, Segontium Road South, Caernarfon, LL55 2LL12, Segontium Road South, Caernarfon, LL55 2LL
• Sold Jan 2026£232,000 | 3 Bed House81, Ffordd Eryri, Caernarfon, LL55 2UR81, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Jun 2025£170,000 | 3 Bed House21, Bryn Hyfryd, Caernarfon, LL55 2UU21, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold May 2025£174,000 | 3 Bed House25, Hafod Terrace, Caernarfon, LL55 2AR25, Hafod Terrace, Caernarfon, LL55 2AR
• Sold Jun 2023£177,500 | 3 Bed House19, Lon Ty Gwyn, Caernarfon, LL55 2EH19, 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 Jan 2022£190,500 | 3 Bed House41, Ffordd Eryri, Caernarfon, LL55 2UR41, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Mar 2021£147,500 | 3 Bed House21, Gelert Street, Caernarfon, LL55 2LH21, Gelert Street, Caernarfon, LL55 2LH
• Sold Sep 2020£168,125 | 3 Bed House80, Ffordd Eryri, Caernarfon, LL55 2UR80, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Jul 2019£199,950 | 3 Bed House9, Bryn Hyfryd, Caernarfon, LL55 2UU9, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Dec 2018£125,000 | 3 Bed House11, Lon Arfon, Caernarfon, LL55 2ER11, Lon Arfon, Caernarfon, LL55 2ER
• 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 May 2017£140,000 | 3 Bed House109, Gwel Y Llan, Caernarfon, LL55 2SQ109, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Feb 2016£151,414 | 3 Bed House10, Bryn Hyfryd, Caernarfon, LL55 2UU10, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Oct 2014£162,000 | 3 Bed House19, Bryn Hyfryd, Caernarfon, LL55 2UU19, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold May 2014£170,000 | 3 Bed House3, Bryn Hyfryd, Caernarfon, LL55 2UU3, Bryn Hyfryd, Caernarfon, LL55 2UU

Lon Arfon, Caernarfon, LL55 has a total of 22 addresses. According to our analysis of all the public data, 4, Lon Arfon, Caernarfon is the 5th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £35k less expensive than the average property in LL55.

• Llanfairpwll

  |

  10.0 km away
• Bangor (Gwynedd)

  |

  12.7 km away
• Bodorgan

  |

  12.8 km away

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