11, Glanffynnon, Caernarfon occupies a 345 m² plot as recorded by HM Land Registry.

Of the 14 other houses in this postcode, 9 have recorded plot sizes, and this one ranks as the 5th largest.

11, Glanffynnon, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Mar 2023.

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

11, Glanffynnon, Caernarfon last changed hands on 29th November 2023, selling for £218,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 0.3% since November 2023.

• Sold Nov 2023£218,000

Land Registry records and our Estate Agent network show 31 sales of comparable properties within 2.5 kilometres of 11, Glanffynnon, Caernarfon since 2007.

Most recently, 2 Minffordd Terrace, Caernarfon, LL55 4PU, a freehold house, sold at £145,000 on the 28th November 2025.

Read more about house prices in LL55.

• Sold Nov 2025£145,000 | 3 Bed House2 Minffordd Terrace, Caernarfon, LL55 4PU2 Minffordd Terrace, Caernarfon, LL55 4PU
• Sold Nov 2025£220,000 | 3 Bed HouseY Bwthyn, Station Road, Caernarfon, LL55 4BAY Bwthyn, Station Road, Caernarfon, LL55 4BA
• Sold Oct 2025£150,000 | 3 Bed HouseCynlas, Cefn Elan, Caernarfon, LL55 4AECynlas, Cefn Elan, Caernarfon, LL55 4AE
• Sold Jul 2025£185,000 | 3 Bed House4 Craig Y Don, Caernarfon, LL55 4DP4 Craig Y Don, Caernarfon, LL55 4DP
• Sold Jun 2025£200,000 | 3 Bed HouseTerfyn, Caernarfon, LL55 4RPTerfyn, Caernarfon, LL55 4RP
• Sold Mar 2025£120,000 | 3 Bed HouseArfryn Bryn Hermon, Caernarfon, LL55 4PEArfryn Bryn Hermon, Caernarfon, LL55 4PE
• Sold Jan 2024£157,000 | 3 Bed House5 Bryngwyn Terrace, Caernarfon, LL55 4RH5 Bryngwyn Terrace, Caernarfon, LL55 4RH
• Sold Jun 2023£25,000 | 3 Bed HouseY Meddygfa, Station Road, Caernarfon, LL55 4AGY Meddygfa, Station Road, Caernarfon, LL55 4AG
• Sold Apr 2023£140,000 | 3 Bed House1 Tai Ffynnon, Caernarfon, LL55 3DB1 Tai Ffynnon, Caernarfon, LL55 3DB
• Sold Mar 2023£234,000 | 2 Bed House2, Bryn Difyr, Caernarfon, LL55 4DY2, Bryn Difyr, Caernarfon, LL55 4DY
• Sold Feb 2022£190,050 | 3 Bed House3 Bron Y Waun Terrace, Caernarfon, LL55 3BS3 Bron Y Waun Terrace, Caernarfon, LL55 3BS
• Sold Jan 2022£185,000 | 3 Bed HouseAwel Y Mynydd, Caernarfon, LL55 4RYAwel Y Mynydd, Caernarfon, LL55 4RY
• Sold Jan 2021£174,000 | 2 Bed House8, Bro Eglwys, Caernarfon, LL55 1GA8, Bro Eglwys, Caernarfon, LL55 1GA
• Sold Dec 2020£120,000 | 2 Bed HouseFron Ganol, Lon Groes, Caernarfon, LL55 4AFFron Ganol, Lon Groes, Caernarfon, LL55 4AF
• Sold Jul 2019£163,000 | 3 Bed House17, Glanffynnon, Caernarfon, LL55 4PS17, Glanffynnon, Caernarfon, LL55 4PS
• Sold Jun 2016£137,000 | 3 Bed House3, Madoc Terrace, Caernarfon, LL55 3PH3, Madoc Terrace, Caernarfon, LL55 3PH
• Sold Oct 2015£75,000 | 2 Bed House2, Uwchlawr Ffynnon, Caernarfon, LL55 4DY2, Uwchlawr Ffynnon, Caernarfon, LL55 4DY
• Sold Jan 2013£106,000 | 2 Bed House2 The Nook, Caernarfon, LL55 4PH2 The Nook, Caernarfon, LL55 4PH
• Sold Aug 2007£120,000 | 3 Bed House6, Mountain View, Caernarfon, LL55 4PL6, Mountain View, Caernarfon, LL55 4PL
• Sold Jun 2007£124,950 | 3 Bed HouseBryn Hyfryd, Station Road, Caernarfon, LL55 4BLBryn Hyfryd, Station Road, Caernarfon, LL55 4BL

Our analysis of the public data ranks 11, Glanffynnon, Caernarfon as the 60th largest and the 57th most expensive of the 62 addresses on Glanffynnon, Llanrug, Caernarfon, LL55.

Against the LL55 postcode district average, it is £22k less expensive than the typical property.

• Llanfairpwll

  |

  8.4 km away
• Bangor (Gwynedd)

  |

  9.2 km away
• Bodorgan

  |

  16.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.