Llanfair Isaf, Harlech has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 07 Nov 2016.

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

Land Registry records and our Estate Agent network show 773 sales within 5.8 kilometres of Llanfair Isaf, Harlech since 2010.

Most recently, Bwthyn Diddos, Harlech, LL46 2SA, a freehold house, sold at £350,000 on the 6th November 2025.

Read more about house prices in LL46.

• Sold Nov 2025£350,000 | 3 Bed HouseBwthyn Diddos, Harlech, LL46 2SABwthyn Diddos, Harlech, LL46 2SA
• Sold Jul 2025£242,500 | 3 Bed HouseAlltwen, Harlech, LL46 2SAAlltwen, Harlech, LL46 2SA
• Sold Mar 2025£355,000 | 3 Bed HousePant Glas, Harlech, LL46 2SAPant Glas, Harlech, LL46 2SA
• Sold Jul 2024£160,000 | 2 Bed HouseBryn Melyn, Harlech, LL46 2SBBryn Melyn, Harlech, LL46 2SB
• Sold Dec 2021£377,000 | 4 Bed HouseSwn Y Wylan, Harlech, LL46 2SBSwn Y Wylan, Harlech, LL46 2SB
• Sold Dec 2021£367,000 | 4 Bed House2 Cae Gwyn, Harlech, LL46 2SA2 Cae Gwyn, Harlech, LL46 2SA
• Sold Feb 2021£380,000 | 4 Bed HouseTyn Y Berllan, Harlech, LL46 2SATyn Y Berllan, Harlech, LL46 2SA
• Sold Feb 2021£325,000 | 4 Bed HouseGolygfa, Harlech, LL46 2SDGolygfa, Harlech, LL46 2SD
• Sold Sep 2020£242,000 | 5 Bed HouseTy Mawr, Harlech, LL46 2SATy Mawr, Harlech, LL46 2SA
• Sold Apr 2019£146,666 | 3 Bed HouseY Berth, Harlech, LL46 2SAY Berth, Harlech, LL46 2SA
• Sold Mar 2019£277,000 | 3 Bed HouseLlais Y Lli, Harlech, LL46 2SBLlais Y Lli, Harlech, LL46 2SB
• Sold Nov 2017£407,000 | 2 Bed HouseTy'N Llan, Harlech, LL46 2SATy'N Llan, Harlech, LL46 2SA
• Sold Aug 2017£230,000 | 3 Bed HouseAwel Y Don, Harlech, LL46 2SAAwel Y Don, Harlech, LL46 2SA
• Sold Jun 2017£250,000 | 4 Bed HouseCuddfa, Harlech, LL46 2SBCuddfa, Harlech, LL46 2SB
• Sold Jan 2016£187,000 | 4 Bed HouseGlynmor, Harlech, LL46 2SBGlynmor, Harlech, LL46 2SB
• Sold Aug 2015£155,000 | 3 Bed HouseYnys Ffri, Harlech, LL46 2SBYnys Ffri, Harlech, LL46 2SB
• Sold Mar 2015£175,000 | 3 Bed HouseCastellfryn, Harlech, LL46 2RUCastellfryn, Harlech, LL46 2RU
• Sold Oct 2014£280,000 | 5 Bed HouseMorlais, Harlech, LL46 2SBMorlais, Harlech, LL46 2SB
• Sold May 2010£249,950 | 3 Bed HouseKerry, Harlech, LL46 2SBKerry, Harlech, LL46 2SB
• Sold Feb 2010£377,000 | 5 Bed HouseErw, Harlech, LL46 2SAErw, Harlech, LL46 2SA

Our analysis of the public data ranks Llanfair Isaf, Harlech as the largest and the 2nd most expensive of the 75 addresses on Llanfair, Harlech, LL46.

Against the LL46 postcode district average, it is £502k more expensive than the typical property.

• Llandanwg

  |

  800 m away
• Pensarn (Gwynedd)

  |

  1.0 km away
• Llanbedr

  |

  2.1 km away

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