HM Land Registry records the plot of land for 42, Glanffynnon, Caernarfon as measuring 194 m².

That makes it the 32nd largest plot in the postcode, where 35 of the 48 other houses have recorded plot data.

The most recent sale of 42, Glanffynnon, Caernarfon completed on 4th December 2009 at £145,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 54.8% over the period since December 2009.

• Sold Dec 2009£145,000

Since 2010 129 properties similar to 42, Glanffynnon, Caernarfon have sold within a radius of 2.5 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£205,000 | 3 Bed House24, Glanffynnon, Caernarfon, LL55 4PR24, Glanffynnon, Caernarfon, LL55 4PR
• Sold Dec 2025£160,000 | 3 Bed House20, Nant Y Glyn, Caernarfon, LL55 4AH20, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Aug 2025£250,000 | 3 Bed House23, Nant Y Glyn, Caernarfon, LL55 4AH23, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Nov 2024£167,000 | 3 Bed HouseMairannedd, Caernarfon, LL55 4ANMairannedd, Caernarfon, LL55 4AN
• Sold Jul 2024£225,000 | 3 Bed House54, Glanffynnon, Caernarfon, LL55 4PR54, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jan 2024£244,000 | 3 Bed House4, Afon Rhos Estate, Caernarfon, LL55 4SE4, Afon Rhos Estate, Caernarfon, LL55 4SE
• Sold Jul 2023£225,000 | 3 Bed House7, Glanffynnon, Caernarfon, LL55 4PS7, Glanffynnon, Caernarfon, LL55 4PS
• Sold Jul 2023£215,000 | 3 Bed House22, Minffordd, Caernarfon, LL55 4PU22, Minffordd, Caernarfon, LL55 4PU
• Sold Jul 2023£200,000 | 3 Bed House8, Glanffynnon, Caernarfon, LL55 4PS8, Glanffynnon, Caernarfon, LL55 4PS
• Sold Sep 2022£225,000 | 3 Bed House27, Glanffynnon, Caernarfon, LL55 4PR27, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2022£241,855 | 3 Bed House16, Glanffynnon, Caernarfon, LL55 4PS16, Glanffynnon, Caernarfon, LL55 4PS
• Sold Jul 2022£240,000 | 3 Bed House39, Glanffynnon, Caernarfon, LL55 4PR39, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jun 2019£175,000 | 3 Bed House13, Minffordd, Caernarfon, LL55 4PU13, Minffordd, Caernarfon, LL55 4PU
• Sold Apr 2018£177,000 | 3 Bed House3, Afon Rhos Estate, Caernarfon, LL55 4SE3, Afon Rhos Estate, Caernarfon, LL55 4SE
• Sold Jan 2017£175,000 | 3 Bed House25, Glanffynnon, Caernarfon, LL55 4PR25, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2014£171,000 | 3 Bed House60, Glanffynnon, Caernarfon, LL55 4PR60, Glanffynnon, Caernarfon, LL55 4PR
• Sold May 2014£165,000 | 3 Bed House31, Glanffynnon, Caernarfon, LL55 4PR31, Glanffynnon, Caernarfon, LL55 4PR
• Sold Oct 2011£171,000 | 3 Bed House61, Glanffynnon, Caernarfon, LL55 4PR61, Glanffynnon, Caernarfon, LL55 4PR
• Sold Dec 2010£165,000 | 3 Bed House22, Glanffynnon, Caernarfon, LL55 4PR22, Glanffynnon, Caernarfon, LL55 4PR

Of the 62 addresses on Glanffynnon, Llanrug, Caernarfon, LL55, 42, Glanffynnon, Caernarfon comes out as the 31st largest and the 34th most expensive in our analysis of the public data.

It is also £2k less expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  8.4 km away
• Bangor (Gwynedd)

  |

  9.2 km away
• Bodorgan

  |

  16.5 km away

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