According to data from HM Land Registry, Caerffynnon, Caernarfon sits on a plot of 669 m².

We have plot size data on 3 out of 5 other houses in the postcode and Caerffynnon, Caernarfon sits on the 2nd largest plot.

Caerffynnon, Caernarfon has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 08 Oct 2014.

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

According to HM Land Registry, Caerffynnon, Caernarfon was last sold on 21st December 2016 for £232,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since December 2016, the market for similar properties has risen by 35.1%.

• Sold Dec 2016£232,500
• Sold Apr 2012£170,000

According to the Land Registry and our network of Estate Agents, there have been 17 sales of properties similar to Caerffynnon, Caernarfon within a radius of 2.5 kilometres since 2012.

The most recent example is Bryn Tirion, Caernarfon, LL55 3NF, a freehold house which sold for £285,000 on the 20th February 2026.

Read more about house prices in LL55.

• Sold Feb 2026£285,000 | 3 Bed HouseBryn Tirion, Caernarfon, LL55 3NFBryn Tirion, Caernarfon, LL55 3NF
• Sold Oct 2024£280,000 | 3 Bed HouseGorffwysfa, Caernarfon, LL55 3PWGorffwysfa, Caernarfon, LL55 3PW
• Sold Jun 2023£245,000 | 3 Bed HouseMelin Y Wig, Caernarfon, LL55 3NRMelin Y Wig, Caernarfon, LL55 3NR
• Sold May 2023£150,000 | 3 Bed House2 Cae Newydd, Caernarfon, LL55 4AP2 Cae Newydd, Caernarfon, LL55 4AP
• Sold Jun 2022£425,000 | 3 Bed House2 Bryn Eithin, Caernarfon, LL55 3PW2 Bryn Eithin, Caernarfon, LL55 3PW
• Sold Nov 2021£230,000 | 3 Bed House9 Bryn Moelyn, Caernarfon, LL55 4PH9 Bryn Moelyn, Caernarfon, LL55 4PH
• Sold Oct 2021£239,500 | 3 Bed HouseBryneden, Caernarfon, LL55 4PHBryneden, Caernarfon, LL55 4PH
• Sold Aug 2019£150,000 | 3 Bed HouseBryn Afon Farm, Caernarfon, LL55 4BSBryn Afon Farm, Caernarfon, LL55 4BS
• Sold Sep 2018£151,000 | 3 Bed House(Pierce), Tyn Llan Uchaf, Caernarfon, LL55 3AR(Pierce), Tyn Llan Uchaf, Caernarfon, LL55 3AR
• Sold Sep 2018£285,000 | 3 Bed House58, Glanffynnon, Caernarfon, LL55 4PR58, Glanffynnon, Caernarfon, LL55 4PR
• Sold Aug 2018£200,000 | 3 Bed HouseArwyn, Caernarfon, LL55 4PHArwyn, Caernarfon, LL55 4PH
• Sold Aug 2013£145,000 | 3 Bed HouseHendre Bach, Caernarfon, LL55 3NFHendre Bach, Caernarfon, LL55 3NF
• Sold Jun 2013£189,500 | 3 Bed HouseCeris, Lon Groes, Caernarfon, LL55 4AFCeris, Lon Groes, Caernarfon, LL55 4AF
• Sold Jun 2013£170,000 | 3 Bed HouseFron Helyg, Lon Groes, Caernarfon, LL55 4AFFron Helyg, Lon Groes, Caernarfon, LL55 4AF
• Sold Apr 2013£165,000 | 3 Bed HouseY Bwthyn, Caernarfon, LL55 3NFY Bwthyn, Caernarfon, LL55 3NF
• Sold Mar 2013£193,000 | 3 Bed HouseCreigle, Caernarfon, LL55 3NYCreigle, Caernarfon, LL55 3NY
• Sold Oct 2012£165,000 | 3 Bed HouseFreshwinds, Caernarfon, LL55 3PGFreshwinds, Caernarfon, LL55 3PG

Penisarwaun, Caernarfon, LL55 has a total of 181 addresses. According to our analysis of all the public data, Caerffynnon, Caernarfon is the 104th largest and the 56th most expensive property on the street.

When compared to the postcode district it is £77k more expensive than the average property in LL55.

• Bangor (Gwynedd)

  |

  7.7 km away
• Llanfairpwll

  |

  8.0 km away
• Llanfairfechan

  |

  16.4 km away

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