HM Land Registry records the plot of land for 16, Glanffynnon, Caernarfon as measuring 461 m².

That makes it the 2nd largest plot in the postcode, where 9 of the 14 other houses have recorded plot data.

16, Glanffynnon, Caernarfon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 17 May 2011.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 16, Glanffynnon, Caernarfon completed on 29th July 2022 at £241,855 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 1.4% over the period since July 2022.

• Sold Jul 2022£241,855
• Sold Oct 2011£156,000

Since 2009 113 properties similar to 16, Glanffynnon, Caernarfon have sold within a radius of 2.6 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th February 2026, was 50, Nant Y Glyn, Caernarfon, LL55 4AH, a freehold house which sold for £235,000.

Read more about house prices in LL55.

• Sold Feb 2026£235,000 | 3 Bed House50, Nant Y Glyn, Caernarfon, LL55 4AH50, Nant Y Glyn, Caernarfon, LL55 4AH
• 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£190,000 | 3 Bed House29, Glanffynnon, Caernarfon, LL55 4PR29, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2024£225,000 | 3 Bed House54, Glanffynnon, Caernarfon, LL55 4PR54, Glanffynnon, Caernarfon, LL55 4PR
• 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£240,000 | 3 Bed House39, Glanffynnon, Caernarfon, LL55 4PR39, Glanffynnon, Caernarfon, LL55 4PR
• Sold Mar 2021£195,000 | 3 Bed House8, Mountain View, Caernarfon, LL55 4PL8, Mountain View, Caernarfon, LL55 4PL
• Sold Mar 2021£179,950 | 3 Bed House28, Glanffynnon, Caernarfon, LL55 4PR28, Glanffynnon, Caernarfon, LL55 4PR
• Sold Nov 2020£169,950 | 3 Bed House37, Glanffynnon, Caernarfon, LL55 4PR37, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2019£163,000 | 3 Bed House17, Glanffynnon, Caernarfon, LL55 4PS17, Glanffynnon, Caernarfon, LL55 4PS
• 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 Nov 2017£152,500 | 3 Bed House10, Afon Rhos Estate, Caernarfon, LL55 4SE10, Afon Rhos Estate, Caernarfon, LL55 4SE
• Sold Jan 2017£175,000 | 3 Bed House25, Glanffynnon, Caernarfon, LL55 4PR25, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2016£168,950 | 3 Bed House6, Minffordd, Caernarfon, LL55 4PU6, Minffordd, Caernarfon, LL55 4PU
• Sold Dec 2009£145,000 | 3 Bed House42, Glanffynnon, Caernarfon, LL55 4PR42, Glanffynnon, Caernarfon, LL55 4PR

Of the 62 addresses on Glanffynnon, Llanrug, Caernarfon, LL55, 16, Glanffynnon, Caernarfon comes out as the 37th largest and the 31st most expensive in our analysis of the public data.

It is also £2k more 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.