Castell Coch occupies a 3,927 m² plot as recorded by HM Land Registry.

Of the 7 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the largest.

Castell Coch has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 28 Oct 2008.

The property is not connected to mains gas and has single glazed windows. It is heated using electric storage heaters.

Castell Coch last changed hands on 24th January 2012, selling for £160,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 40.4% since January 2012.

• Sold Jan 2012£160,000

Land Registry records and our Estate Agent network show 90 sales of comparable properties within 7.6 kilometres of Castell Coch since 2009.

Most recently, 61, Llwyn Ynn, Talybont, LL43 2AL, a freehold house, sold at £237,500 on the 9th October 2025.

Read more about house prices in LL44.

• Sold Oct 2025£237,500 | 2 Bed House61, Llwyn Ynn, Talybont, LL43 2AL61, Llwyn Ynn, Talybont, LL43 2AL
• Sold Aug 2025£255,000 | 2 Bed House64, Llwyn Ynn, Talybont, LL43 2AL64, Llwyn Ynn, Talybont, LL43 2AL
• Sold Jul 2025£260,000 | 3 Bed HouseSwn Y Wylan, Talybont, LL43 2AASwn Y Wylan, Talybont, LL43 2AA
• Sold Mar 2025£255,000 | 2 Bed HouseBwthyn, Dyffryn Ardudwy, LL44 2BSBwthyn, Dyffryn Ardudwy, LL44 2BS
• Sold Nov 2024£335,000 | 3 Bed HouseGlyn Berwys, Talybont, LL43 2AAGlyn Berwys, Talybont, LL43 2AA
• Sold Sep 2024£268,000 | 3 Bed House1 Tyn Llidiart, Dyffryn Ardudwy, LL44 2EF1 Tyn Llidiart, Dyffryn Ardudwy, LL44 2EF
• Sold Aug 2024£232,500 | 3 Bed HouseThe Bothy, Tyddyn Du, Penrhiw, Dyffryn Ardudwy, LL44 2DWThe Bothy, Tyddyn Du, Penrhiw, Dyffryn Ardudwy, LL44 2DW
• Sold Mar 2024£248,000 | 2 Bed HouseGlascoed, Dyffryn Ardudwy, LL44 2ENGlascoed, Dyffryn Ardudwy, LL44 2EN
• Sold Mar 2024£225,500 | 3 Bed House2 Tyn Llidiart, Dyffryn Ardudwy, LL44 2EF2 Tyn Llidiart, Dyffryn Ardudwy, LL44 2EF
• Sold Sep 2023£250,000 | 2 Bed House45, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG45, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold Jun 2023£119,500 | 3 Bed HouseHiraethog, Dyffryn Ardudwy, LL44 2BHHiraethog, Dyffryn Ardudwy, LL44 2BH
• Sold Nov 2022£281,000 | 3 Bed House2 Bryn Ffynnon, Dyffryn Ardudwy, LL44 2DR2 Bryn Ffynnon, Dyffryn Ardudwy, LL44 2DR
• Sold Feb 2022£242,000 | 3 Bed House34, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG34, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold Nov 2021£165,000 | 2 Bed House2 Streamside Holiday Homes, Dyffryn Ardudwy, LL44 2BE2 Streamside Holiday Homes, Dyffryn Ardudwy, LL44 2BE
• Sold Aug 2021£230,000 | 3 Bed House59, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG59, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold Oct 2019£180,000 | 2 Bed House43, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG43, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold May 2019£160,000 | 3 Bed House13, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG13, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold Feb 2016£153,500 | 3 Bed House63, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG63, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG
• Sold Nov 2013£145,000 | 3 Bed HouseAel Y Bryn Cottage, Dyffryn Ardudwy, LL44 2BEAel Y Bryn Cottage, Dyffryn Ardudwy, LL44 2BE
• Sold Nov 2009£179,950 | 2 Bed House39, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG39, Bro Enddwyn, Dyffryn Ardudwy, LL44 2BG

Our analysis of the public data ranks Castell Coch as the 297th largest and the 196th most expensive of the 381 addresses on Dyffryn Ardudwy, LL44.

Against the LL44 postcode district average, it is £5k more expensive than the typical property.

• Dyffryn Ardudwy

  |

  800 m away
• Talybont

  |

  1.9 km away
• Llanbedr

  |

  3.7 km away

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