According to data from HM Land Registry, Trem Eifion, Harlech sits on a plot of 619 m².

We have plot size data on 41 out of 61 other houses in the postcode and Trem Eifion, Harlech sits on the 26th largest plot.

Trem Eifion, Harlech has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jul 2020.

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

According to the Land Registry and our network of Estate Agents, there have been 49 sales of properties similar to Trem Eifion, Harlech within a radius of 6.6 kilometres since 2007.

The most recent example is Golygfa Hyfryd, Old Llanfair Road, Harlech, LL46 2SS, a freehold house which sold for £404,000 on the 14th November 2025.

Read more about house prices in LL46.

• Sold Nov 2025£404,000 | 3 Bed HouseGolygfa Hyfryd, Old Llanfair Road, Harlech, LL46 2SSGolygfa Hyfryd, Old Llanfair Road, Harlech, LL46 2SS
• Sold Oct 2024£200,000 | 3 Bed House18, Heol Y Bryn, Harlech, LL46 2TU18, Heol Y Bryn, Harlech, LL46 2TU
• Sold Dec 2023£350,000 | 3 Bed HouseDrws Y Coed, Old Llanfair Road, Harlech, LL46 2SSDrws Y Coed, Old Llanfair Road, Harlech, LL46 2SS
• Sold Aug 2023£325,000 | 3 Bed HouseAfallon, Y Llech, Harlech, LL46 2YLAfallon, Y Llech, Harlech, LL46 2YL
• Sold Dec 2019£175,000 | 3 Bed HouseBeaumont, Old Llanfair Road, Harlech, LL46 2SSBeaumont, Old Llanfair Road, Harlech, LL46 2SS
• Sold Aug 2019£290,000 | 3 Bed HouseChy-An-Mor, Pant Mawr Estate, Harlech, LL46 2STChy-An-Mor, Pant Mawr Estate, Harlech, LL46 2ST
• Sold Aug 2019£295,000 | 3 Bed House13, Heol Y Bryn, Harlech, LL46 2TU13, Heol Y Bryn, Harlech, LL46 2TU
• Sold Jun 2018£275,000 | 3 Bed HouseTan Y Garth, Old Llanfair Road, Harlech, LL46 2SSTan Y Garth, Old Llanfair Road, Harlech, LL46 2SS
• Sold Dec 2017£200,000 | 3 Bed HouseAllt Y Morfa, Heol Y Bryn, Harlech, LL46 2TUAllt Y Morfa, Heol Y Bryn, Harlech, LL46 2TU
• Sold Nov 2017£210,000 | 3 Bed HouseEryl Y Mor, Heol Y Bryn, Harlech, LL46 2TUEryl Y Mor, Heol Y Bryn, Harlech, LL46 2TU
• Sold May 2017£200,000 | 3 Bed HouseTrelawney, Fron Hill Estate, Harlech, LL46 2TDTrelawney, Fron Hill Estate, Harlech, LL46 2TD
• Sold Feb 2017£195,000 | 3 Bed HouseTryfan, Bron Y Graig, Harlech, LL46 2SRTryfan, Bron Y Graig, Harlech, LL46 2SR
• Sold Nov 2015£210,000 | 3 Bed HouseLlys Y Gwynt, Pant Mawr Estate, Harlech, LL46 2STLlys Y Gwynt, Pant Mawr Estate, Harlech, LL46 2ST
• Sold Aug 2015£285,000 | 3 Bed HouseCastell Y Gwynt, Pant Mawr Estate, Harlech, LL46 2STCastell Y Gwynt, Pant Mawr Estate, Harlech, LL46 2ST
• Sold Jul 2015£204,000 | 3 Bed HouseTrem Lleyn, Heol Y Bryn, Harlech, LL46 2TUTrem Lleyn, Heol Y Bryn, Harlech, LL46 2TU
• Sold Jul 2015£177,000 | 3 Bed HousePastoral, Fron Hill Estate, Harlech, LL46 2TDPastoral, Fron Hill Estate, Harlech, LL46 2TD
• Sold Feb 2014£139,500 | 3 Bed House8, Bron Y Graig, Harlech, LL46 2SR8, Bron Y Graig, Harlech, LL46 2SR
• Sold Dec 2012£185,000 | 3 Bed HouseTy Adarwr, Heol Y Bryn, Harlech, LL46 2TUTy Adarwr, Heol Y Bryn, Harlech, LL46 2TU
• Sold Jul 2010£320,000 | 3 Bed HouseAwel Y Mynydd, Pant Mawr Estate, Harlech, LL46 2STAwel Y Mynydd, Pant Mawr Estate, Harlech, LL46 2ST
• Sold May 2007£195,000 | 3 Bed HouseTrem Y Mor, Fron Hill Estate, Harlech, LL46 2TDTrem Y Mor, Fron Hill Estate, Harlech, LL46 2TD

Old Llanfair Road, Harlech, LL46 has a total of 93 addresses. According to our analysis of all the public data, Trem Eifion, Harlech is the 49th largest and the 46th most expensive property on the street.

When compared to the postcode district it is £94k more expensive than the average property in LL46.

• Harlech

  |

  900 m away
• Llandanwg

  |

  2.2 km away
• Pensarn (Gwynedd)

  |

  2.5 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.