4 Bryn Seion occupies a 947 m² plot as recorded by HM Land Registry.

Of the 29 other houses in this postcode, 24 have recorded plot sizes, and this one ranks as the 17th largest.

4 Bryn Seion has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 May 2019.

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

Land Registry records and our Estate Agent network show 27 sales of comparable properties within 5.1 kilometres of 4 Bryn Seion since 2010.

Most recently, Tyn Giat, Amlwch, LL68 0RG, a freehold house, sold at £210,000 on the 26th September 2025.

Read more about house prices in LL66.

• Sold Sep 2025£210,000 | 3 Bed HouseTyn Giat, Amlwch, LL68 0RGTyn Giat, Amlwch, LL68 0RG
• Sold Jul 2025£210,000 | 3 Bed HouseElwyn, Amlwch, LL68 0TTElwyn, Amlwch, LL68 0TT
• Sold Jul 2025£178,000 | 3 Bed House5, Nant Y Mynydd, Amlwch, LL68 0SS5, Nant Y Mynydd, Amlwch, LL68 0SS
• Sold Mar 2025£72,000 | 3 Bed House1 Bryn Seion, Rhosgoch, LL66 0AE1 Bryn Seion, Rhosgoch, LL66 0AE
• Sold Jan 2025£215,000 | 3 Bed House34, Nant Y Mynydd, Amlwch, LL68 0SS34, Nant Y Mynydd, Amlwch, LL68 0SS
• Sold Dec 2023£289,950 | 3 Bed House53, Gwelfor Estate, Cemaes Bay, LL67 0NL53, Gwelfor Estate, Cemaes Bay, LL67 0NL
• Sold Mar 2023£399,950 | 3 Bed HouseSiop Y Goeden, Rhosgoch, LL66 0ATSiop Y Goeden, Rhosgoch, LL66 0AT
• Sold Feb 2023£210,000 | 3 Bed HouseIvy Cottage, Amlwch, LL68 9RPIvy Cottage, Amlwch, LL68 9RP
• Sold Nov 2022£185,000 | 3 Bed HouseTyddyn Pandy, Rhosgoch, LL66 0AETyddyn Pandy, Rhosgoch, LL66 0AE
• Sold Feb 2022£400,000 | 3 Bed HousePant Y Crwyn, Amlwch, LL68 0TWPant Y Crwyn, Amlwch, LL68 0TW
• Sold Dec 2021£268,000 | 3 Bed HouseGwenallt, Rhosgoch, LL66 0AEGwenallt, Rhosgoch, LL66 0AE
• Sold Jul 2021£215,000 | 3 Bed HouseHazel Bank Cottage, Amlwch, LL68 9TNHazel Bank Cottage, Amlwch, LL68 9TN
• Sold Jul 2020£181,000 | 3 Bed HouseTrofa, Penbodeistedd, Amlwch, LL68 0RETrofa, Penbodeistedd, Amlwch, LL68 0RE
• Sold Aug 2019£194,000 | 3 Bed House15, Tyddyn Gyrfa Estate, Cemaes Bay, LL67 0LF15, Tyddyn Gyrfa Estate, Cemaes Bay, LL67 0LF
• Sold Jul 2019£110,000 | 3 Bed HouseTy Capel Seion, Rhosgoch, LL66 0AETy Capel Seion, Rhosgoch, LL66 0AE
• Sold Dec 2017£110,000 | 3 Bed HouseTyn Rardd, Lon Amlwch, Amlwch, LL68 9PTTyn Rardd, Lon Amlwch, Amlwch, LL68 9PT
• Sold Nov 2017£195,000 | 3 Bed HouseGwelfor, Marine Terrace, Cemaes Bay, LL67 0NDGwelfor, Marine Terrace, Cemaes Bay, LL67 0ND
• Sold Sep 2015£130,000 | 3 Bed HouseTy Newydd, Amlwch, LL68 0SDTy Newydd, Amlwch, LL68 0SD
• Sold Dec 2012£158,000 | 3 Bed HouseRhosybol Bach, Amlwch, LL68 9TSRhosybol Bach, Amlwch, LL68 9TS
• Sold Sep 2010£160,000 | 3 Bed HouseTan Y Bryn, Amlwch, LL68 0PHTan Y Bryn, Amlwch, LL68 0PH

Our analysis of the public data ranks 4 Bryn Seion as the 112th largest and the 97th most expensive of the 119 addresses on Rhosgoch, LL66.

Against the LL66 postcode district average, it is £23k less expensive than the typical property.

• Valley

  |

  14.6 km away
• Holyhead

  |

  16.4 km away
• Rhosneigr

  |

  17.0 km away

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