HM Land Registry records the plot of land for Dyffryn Twrog, Caernarfon as measuring 11,640 m².

That makes it the largest plot in the postcode, where 2 of the 3 other houses have recorded plot data.

Dyffryn Twrog, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jan 2026.

The property is not connected to mains gas and has fully double glazed windows. It is heated using air source heat pump (radiators, electric).

The most recent sale of Dyffryn Twrog, Caernarfon completed on 7th June 2023 at £390,000 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 37.6% over the period since June 2023.

• Sold Jun 2023£390,000

Since 2011 19 properties similar to Dyffryn Twrog, Caernarfon have sold within a radius of 3.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 6th March 2026, was Tanrallt, Caernarfon, LL54 7HH, a freehold house which sold for £390,000.

Read more about house prices in LL54.

• Sold Mar 2026£390,000 | 4 Bed HouseTanrallt, Caernarfon, LL54 7HHTanrallt, Caernarfon, LL54 7HH
• Sold Sep 2025£460,000 | 4 Bed HouseTyn Y Weirglodd, Caernarfon, LL54 7ETTyn Y Weirglodd, Caernarfon, LL54 7ET
• Sold Jun 2025£450,000 | 4 Bed HouseGarreg Wen, Caernarfon, LL54 7EBGarreg Wen, Caernarfon, LL54 7EB
• Sold Nov 2023£330,000 | 3 Bed HouseLloches, Caernarfon, LL54 7HELloches, Caernarfon, LL54 7HE
• Sold Nov 2023£362,500 | 3 Bed HouseReifl Isaf, Caernarfon, LL54 7PYReifl Isaf, Caernarfon, LL54 7PY
• Sold Mar 2023£402,500 | 3 Bed HouseTyn Gadfan, Caernarfon, LL54 7HETyn Gadfan, Caernarfon, LL54 7HE
• Sold Jan 2023£320,000 | 3 Bed HousePant Y Celyn, Caernarfon, LL54 7PFPant Y Celyn, Caernarfon, LL54 7PF
• Sold Jun 2022£376,000 | 3 Bed House1 Hafod Ruffydd, Caernarfon, LL54 7LF1 Hafod Ruffydd, Caernarfon, LL54 7LF
• Sold Mar 2022£340,000 | 3 Bed HouseBryn Glas, Caernarfon, LL54 7SFBryn Glas, Caernarfon, LL54 7SF
• Sold Feb 2022£382,000 | 3 Bed HouseTy Rhos, Caernarfon, LL54 7NNTy Rhos, Caernarfon, LL54 7NN
• Sold Jan 2022£450,000 | 4 Bed HousePantiau, Caernarfon, LL54 7LDPantiau, Caernarfon, LL54 7LD
• Sold Jun 2021£215,000 | 3 Bed HouseLlys Owain, Caernarfon, LL54 7HELlys Owain, Caernarfon, LL54 7HE
• Sold Dec 2020£364,000 | 4 Bed HouseCae Haidd Bach, Caernarfon, LL54 7PGCae Haidd Bach, Caernarfon, LL54 7PG
• Sold Feb 2020£270,000 | 3 Bed HouseTy Popty, Caernarfon, LL54 7UDTy Popty, Caernarfon, LL54 7UD
• Sold Nov 2019£310,000 | 4 Bed HouseTy Parc, Caernarfon, LL54 7HETy Parc, Caernarfon, LL54 7HE
• Sold May 2018£195,000 | 4 Bed HouseCil Llidiart, Caernarfon, LL54 7NTCil Llidiart, Caernarfon, LL54 7NT
• Sold Feb 2015£210,000 | 3 Bed HouseHafod Boeth, Caernarfon, LL54 7EWHafod Boeth, Caernarfon, LL54 7EW
• Sold Jul 2014£118,000 | 3 Bed HouseFron Heulog, Caernarfon, LL54 7DNFron Heulog, Caernarfon, LL54 7DN
• Sold Jul 2011£285,000 | 3 Bed House2, Cae'R Eglwys, Caernarfon, LL54 7LQ2, Cae'R Eglwys, Caernarfon, LL54 7LQ

Of the 147 addresses on Upper Llandwrog, Caernarfon, LL54, Dyffryn Twrog, Caernarfon comes out as the 36th largest and the 9th most expensive in our analysis of the public data.

It is also £160k more expensive than the average property across the LL54 district.

• Llanfairpwll

  |

  16.8 km away
• Porthmadog

  |

  17.0 km away
• Criccieth

  |

  17.0 km away

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