Deulyn, Caernarfon occupies a 702 m² plot as recorded by HM Land Registry.

Of the 10 other houses in this postcode, 4 have recorded plot sizes, and this one ranks as the largest.

Deulyn, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 27 May 2024.

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

Deulyn, Caernarfon last changed hands on 28th March 2025, selling for £370,000. 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 risen by 3.6% since March 2025.

• Sold Mar 2025£370,000

Land Registry records and our Estate Agent network show 38 sales of comparable properties within 2.6 kilometres of Deulyn, Caernarfon since 2009.

Most recently, Cilgwythwch, Caernarfon, LL55 2TN, a freehold house, sold at £69,000 on the 14th January 2026.

Read more about house prices in LL55.

• Sold Jan 2026£69,000 | 4 Bed HouseCilgwythwch, Caernarfon, LL55 2TNCilgwythwch, Caernarfon, LL55 2TN
• Sold Oct 2025£270,000 | 4 Bed House1, Bro Eglwys, Caernarfon, LL55 1GA1, Bro Eglwys, Caernarfon, LL55 1GA
• Sold Jun 2023£315,000 | 3 Bed HouseBryn Celyn, Lon Groes, Caernarfon, LL55 4AFBryn Celyn, Lon Groes, Caernarfon, LL55 4AF
• Sold Apr 2022£359,000 | 4 Bed House2 Fron Oleu, Caernarfon, LL55 4RT2 Fron Oleu, Caernarfon, LL55 4RT
• Sold Nov 2021£233,500 | 4 Bed HouseGlyneuron, Caernarfon, LL55 3BWGlyneuron, Caernarfon, LL55 3BW
• Sold Sep 2021£340,000 | 3 Bed HouseDwyros, Caernarfon, LL55 4PPDwyros, Caernarfon, LL55 4PP
• Sold Feb 2020£171,000 | 3 Bed HouseAwelfa, Caernarfon, LL55 4PHAwelfa, Caernarfon, LL55 4PH
• Sold Jul 2019£260,000 | 4 Bed House38, Nant Y Glyn, Caernarfon, LL55 4AH38, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold May 2018£265,000 | 4 Bed HouseCoed Elan, Caernarfon, LL55 4AECoed Elan, Caernarfon, LL55 4AE
• Sold Nov 2017£230,000 | 4 Bed House45, Glanffynnon, Caernarfon, LL55 4PR45, Glanffynnon, Caernarfon, LL55 4PR
• Sold Jul 2016£225,000 | 3 Bed House7 Bryn Moelyn, Caernarfon, LL55 4PH7 Bryn Moelyn, Caernarfon, LL55 4PH
• Sold Dec 2015£199,950 | 4 Bed House4 Rhoslan, Caernarfon, LL55 1YB4 Rhoslan, Caernarfon, LL55 1YB
• Sold Nov 2015£250,000 | 3 Bed HouseRhosannedd, Caernarfon, LL55 4ALRhosannedd, Caernarfon, LL55 4AL
• Sold Nov 2014£215,000 | 4 Bed HouseCrug, Caernarfon, LL55 4PUCrug, Caernarfon, LL55 4PU
• Sold May 2013£247,500 | 3 Bed HouseY Dderwen, Lon Cae Metta, Caernarfon, LL55 3AYY Dderwen, Lon Cae Metta, Caernarfon, LL55 3AY
• Sold Jul 2012£135,000 | 3 Bed House2 Bryntirion, Caernarfon, LL55 4PT2 Bryntirion, Caernarfon, LL55 4PT
• Sold Jun 2012£240,000 | 4 Bed HouseTyddyn Rhuddallt, Caernarfon, LL55 4BDTyddyn Rhuddallt, Caernarfon, LL55 4BD
• Sold Dec 2011£241,000 | 4 Bed HouseBryn Mair, Caernarfon, LL55 4AEBryn Mair, Caernarfon, LL55 4AE
• Sold Aug 2010£160,000 | 3 Bed HousePant Tirion, Caernarfon, LL55 4PHPant Tirion, Caernarfon, LL55 4PH
• Sold Dec 2009£170,000 | 3 Bed HousePencraig, Caernarfon, LL55 4PPPencraig, Caernarfon, LL55 4PP

Our analysis of the public data ranks Deulyn, Caernarfon as the 123rd largest and the 58th most expensive of the 338 addresses on Llanrug, Caernarfon, LL55.

Against the LL55 postcode district average, it is £138k more expensive than the typical property.

• Llanfairpwll

  |

  8.5 km away
• Bangor (Gwynedd)

  |

  9.3 km away
• Bodorgan

  |

  16.5 km away

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