HM Land Registry records the plot of land for Trefeddyg, Caernarfon as measuring 541 m².

That makes it the 10th largest plot in the postcode, where 32 of the 45 other houses have recorded plot data.

Trefeddyg, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Sep 2021.

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

The most recent sale of Trefeddyg, Caernarfon completed on 31st January 2022 at £378,000 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 dropped by 5.5% over the period since January 2022.

• Sold Jan 2022£378,000

Since 2007 22 properties similar to Trefeddyg, Caernarfon have sold within a radius of 3.8 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 29th April 2026, was Llwyn Alice, Caernarfon, LL55 2TB, a freehold house which sold for £370,000.

Read more about house prices in LL55.

• Sold Apr 2026£370,000 | 4 Bed HouseLlwyn Alice, Caernarfon, LL55 2TBLlwyn Alice, Caernarfon, LL55 2TB
• Sold Jun 2025£390,000 | 4 Bed HouseYstrad Uchaf, Caernarfon, LL54 7YYYstrad Uchaf, Caernarfon, LL54 7YY
• Sold Feb 2025£400,000 | 4 Bed HousePenrhos, Caernarfon, LL55 2TAPenrhos, Caernarfon, LL55 2TA
• Sold Aug 2024£685,000 | 4 Bed HouseBod Hyfryd, Caernarfon, LL55 4YYBod Hyfryd, Caernarfon, LL55 4YY
• Sold Aug 2023£385,000 | 4 Bed HouseBarn Cottage, Caernarfon, LL55 2TGBarn Cottage, Caernarfon, LL55 2TG
• Sold Jul 2023£400,000 | 4 Bed HouseTyn Gadlas, Caernarfon, LL55 4BZTyn Gadlas, Caernarfon, LL55 4BZ
• Sold Jun 2023£58,000 | 4 Bed HouseChalet 248, Glan Gwna Holiday Park , Caernarfon, LL55 2SHChalet 248, Glan Gwna Holiday Park , Caernarfon, LL55 2SH
• Sold Jun 2023£170,000 | 4 Bed HouseGerallt, Caernarfon, LL54 7UNGerallt, Caernarfon, LL54 7UN
• Sold May 2022£650,000 | 4 Bed House1 Tai Isaf, Caernarfon, LL55 4AX1 Tai Isaf, Caernarfon, LL55 4AX
• Sold Feb 2022£390,000 | 4 Bed HouseMelin Fro, Seiont Mill Road, Caernarfon, LL55 2YLMelin Fro, Seiont Mill Road, Caernarfon, LL55 2YL
• Sold Jun 2020£356,000 | 4 Bed HouseCasblaidd, Caernarfon, LL55 4YUCasblaidd, Caernarfon, LL55 4YU
• Sold Jun 2018£375,000 | 4 Bed HousePlas Bod Hyfryd, Caernarfon, LL55 4YYPlas Bod Hyfryd, Caernarfon, LL55 4YY
• Sold Jan 2017£45,000 | 4 Bed HouseRallt Goch, Caernarfon, LL55 4BZRallt Goch, Caernarfon, LL55 4BZ
• Sold Dec 2016£230,000 | 4 Bed HouseGardd Ellen, Caernarfon, LL55 4EJGardd Ellen, Caernarfon, LL55 4EJ
• Sold Jul 2016£2,000 | 4 Bed House1 St. Johns Church, Caernarfon, LL55 4YU1 St. Johns Church, Caernarfon, LL55 4YU
• Sold Mar 2016£184,500 | 4 Bed HouseTy Canol, Caernarfon, LL55 4BQTy Canol, Caernarfon, LL55 4BQ
• Sold Jun 2015£360,000 | 4 Bed HouseCilfechydd Barn, Caernarfon, LL54 7AJCilfechydd Barn, Caernarfon, LL54 7AJ
• Sold Mar 2014£195,000 | 4 Bed HouseHaulfryn, Caernarfon, LL55 4YSHaulfryn, Caernarfon, LL55 4YS
• Sold Mar 2009£190,000 | 4 Bed HouseBryn Eithin, Caernarfon, LL55 4LQBryn Eithin, Caernarfon, LL55 4LQ
• Sold Jul 2007£360,001 | 4 Bed HouseTyn Cae Newydd, Caernarfon, LL55 4BXTyn Cae Newydd, Caernarfon, LL55 4BX

Of the 400 addresses on Waunfawr, Caernarfon, LL55, Trefeddyg, Caernarfon comes out as the 52nd largest and the 102nd most expensive in our analysis of the public data.

It is also £128k more expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  11.9 km away
• Bangor (Gwynedd)

  |

  13.1 km away
• Bodorgan

  |

  17.0 km away

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