Castle House occupies a 946 m² plot as recorded by HM Land Registry.

Of the 25 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 10th largest.

Castle House has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 May 2025.

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 34 sales of comparable properties within 3.1 kilometres of Castle House since 2010.

Most recently, Coed Derw, Amlwch, LL68 9PG, a freehold house, sold at £130,000 on the 17th November 2025.

Read more about house prices in LL69.

• Sold Nov 2025£130,000 | 4 Bed HouseCoed Derw, Amlwch, LL68 9PGCoed Derw, Amlwch, LL68 9PG
• Sold Oct 2025£375,000 | 4 Bed HouseGer Y Ffynnon, Tyn Y Coed Estate, Penysarn, LL69 9UNGer Y Ffynnon, Tyn Y Coed Estate, Penysarn, LL69 9UN
• Sold Dec 2024£270,000 | 4 Bed HouseAfallon, Penysarn, LL69 9YBAfallon, Penysarn, LL69 9YB
• Sold Feb 2024£490,000 | 4 Bed HouseLlecyn, Amlwch, LL68 9NALlecyn, Amlwch, LL68 9NA
• Sold Apr 2023£320,000 | 4 Bed HouseBryn Mawr, Amlwch, LL68 9NYBryn Mawr, Amlwch, LL68 9NY
• Sold Dec 2022£370,000 | 4 Bed HouseLlechwedd, Amlwch, LL68 9LYLlechwedd, Amlwch, LL68 9LY
• Sold Jul 2022£340,000 | 4 Bed HouseGorffwysfa House, Amlwch, LL68 9LYGorffwysfa House, Amlwch, LL68 9LY
• Sold May 2022£420,000 | 4 Bed HousePlas Llwyd, Penysarn, LL69 9YAPlas Llwyd, Penysarn, LL69 9YA
• Sold May 2022£250,000 | 4 Bed HouseEilianfa, Amlwch, LL68 9LEEilianfa, Amlwch, LL68 9LE
• Sold Jan 2022£300,000 | 4 Bed HouseWayside, Penysarn, LL69 9YEWayside, Penysarn, LL69 9YE
• Sold Sep 2021£290,000 | 4 Bed HouseTyn Ffordd, Penysarn, LL69 9YATyn Ffordd, Penysarn, LL69 9YA
• Sold Mar 2021£243,000 | 4 Bed HouseAngorfa, Penysarn, LL69 9YBAngorfa, Penysarn, LL69 9YB
• Sold Oct 2020£220,000 | 4 Bed HouseDales View, Amlwch, LL68 9NEDales View, Amlwch, LL68 9NE
• Sold Aug 2020£280,000 | 4 Bed HouseWyndcroft, Amlwch, LL68 9LEWyndcroft, Amlwch, LL68 9LE
• Sold Jan 2020£245,000 | 4 Bed HouseLlys Eilian, Cerrig Man, Penysarn, LL69 9YALlys Eilian, Cerrig Man, Penysarn, LL69 9YA
• Sold Nov 2019£200,000 | 4 Bed House2, Tyn Y Coed Estate, Penysarn, LL69 9UN2, Tyn Y Coed Estate, Penysarn, LL69 9UN
• Sold Oct 2019£266,225 | 4 Bed HouseHil Ray, Amlwch, LL68 9NEHil Ray, Amlwch, LL68 9NE
• Sold Oct 2017£199,950 | 4 Bed House2, Maes Lletroed, Penysarn, LL69 9YQ2, Maes Lletroed, Penysarn, LL69 9YQ
• Sold May 2017£199,950 | 4 Bed House1, Maes Lletroed, Penysarn, LL69 9YQ1, Maes Lletroed, Penysarn, LL69 9YQ
• Sold Apr 2010£200,000 | 4 Bed HouseGlas Goed, Penysarn, LL69 9YAGlas Goed, Penysarn, LL69 9YA

Our analysis of the public data ranks Castle House as the 45th largest and the 78th most expensive of the 232 addresses on Penysarn, LL69.

Against the LL69 postcode district average, it is £59k more expensive than the typical property.

• Llanfairpwll

  |

  20.2 km away
• Valley

  |

  20.3 km away
• Rhosneigr

  |

  21.4 km away

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