Trefaldwyn occupies a 981 m² plot as recorded by HM Land Registry.

Of the 19 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 6th largest.

Trefaldwyn has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 06 Mar 2019.

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

Land Registry records and our Estate Agent network show 72 sales of comparable properties within 2.8 kilometres of Trefaldwyn since 2009.

Most recently, Llecyn Braf, Marianglas, LL73 8PE, a freehold house, sold at £420,000 on the 8th October 2025.

Read more about house prices in LL78.

• Sold Oct 2025£420,000 | 4 Bed HouseLlecyn Braf, Marianglas, LL73 8PELlecyn Braf, Marianglas, LL73 8PE
• Sold Jul 2025£445,000 | 4 Bed HouseLeeward, Rhianfa, Tyn-Y-Gongl, LL74 8RALeeward, Rhianfa, Tyn-Y-Gongl, LL74 8RA
• Sold Apr 2025£465,000 | 4 Bed House4, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB4, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB
• Sold Mar 2025£375,000 | 4 Bed HouseMaes Derwydd, Garreglwyd, Tyn-Y-Gongl, LL74 8RBMaes Derwydd, Garreglwyd, Tyn-Y-Gongl, LL74 8RB
• Sold Jan 2025£380,000 | 4 Bed HouseGraig Wen, Brynteg, LL78 8JRGraig Wen, Brynteg, LL78 8JR
• Sold Sep 2024£425,000 | 4 Bed HouseCaerwyn, Tyn-Y-Gongl, LL74 8SDCaerwyn, Tyn-Y-Gongl, LL74 8SD
• Sold Jul 2024£465,000 | 4 Bed House107, Bay View Road, Tyn-Y-Gongl, LL74 8TU107, Bay View Road, Tyn-Y-Gongl, LL74 8TU
• Sold Apr 2023£550,000 | 4 Bed HouseTyddyn Trian, Brynteg, LL78 7JHTyddyn Trian, Brynteg, LL78 7JH
• Sold Nov 2022£450,000 | 4 Bed House7, Swn Y Don, Tyn-Y-Gongl, LL74 8PR7, Swn Y Don, Tyn-Y-Gongl, LL74 8PR
• Sold Jul 2022£435,000 | 4 Bed House8, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB8, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB
• Sold Jun 2022£699,500 | 4 Bed HouseTy To Gwellt, Tyn-Y-Gongl, LL74 8RGTy To Gwellt, Tyn-Y-Gongl, LL74 8RG
• Sold May 2022£435,000 | 4 Bed HouseCil Y Cerrig, Tyn-Y-Gongl, LL74 8SDCil Y Cerrig, Tyn-Y-Gongl, LL74 8SD
• Sold Jun 2021£950,000 | 4 Bed HousePlas Llanfair, Tyn-Y-Gongl, LL74 8NUPlas Llanfair, Tyn-Y-Gongl, LL74 8NU
• Sold Feb 2021£325,000 | 4 Bed HouseY Werydd, Brynteg, LL78 8JGY Werydd, Brynteg, LL78 8JG
• Sold Feb 2021£320,000 | 4 Bed HouseWenallt, Tyn-Y-Gongl, LL74 8SDWenallt, Tyn-Y-Gongl, LL74 8SD
• Sold Dec 2020£310,000 | 4 Bed HouseBrynteg Farm, Brynteg, LL78 8JLBrynteg Farm, Brynteg, LL78 8JL
• Sold Oct 2018£305,000 | 4 Bed House15, Ponc Y Rhedyn, Tyn-Y-Gongl, LL74 8AD15, Ponc Y Rhedyn, Tyn-Y-Gongl, LL74 8AD
• Sold Oct 2017£240,000 | 4 Bed HouseMor Awelon, Brynteg, LL78 8JRMor Awelon, Brynteg, LL78 8JR
• Sold Nov 2014£172,000 | 4 Bed House20, Stad Bryn Goleu, Tyn-Y-Gongl, LL74 8QF20, Stad Bryn Goleu, Tyn-Y-Gongl, LL74 8QF
• Sold Dec 2009£247,500 | 4 Bed HouseTyn Gamdda Bungalow, Brynteg, LL78 8JRTyn Gamdda Bungalow, Brynteg, LL78 8JR

Our analysis of the public data ranks Trefaldwyn as the 82nd largest and the 101st most expensive of the 207 addresses on Brynteg, LL78.

Against the LL78 postcode district average, it is £45k more expensive than the typical property.

• Llanfairpwll

  |

  11.3 km away
• Bangor (Gwynedd)

  |

  13.5 km away
• Bodorgan

  |

  16.2 km away

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