9, Mary Street, Caerphilly occupies a 107 m² plot as recorded by HM Land Registry.

Of the 50 other houses in this postcode, 47 have recorded plot sizes, and this one ranks as the 39th largest.

9, Mary Street, Caerphilly has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 09 Feb 2017.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

9, Mary Street, Caerphilly last changed hands on 24th March 2017, selling for £124,950. 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 99.4% since March 2017.

Land Registry records and our Estate Agent network show 23 sales of comparable properties within 1.1 kilometres of 9, Mary Street, Caerphilly since 2010.

Most recently, 6, Standard Street, Caerphilly, CF83 8DE, a freehold house, sold at £230,000 on the 5th September 2025.

Read more about house prices in CF83.

• Sold Sep 2025£230,000 | 4 Bed House6, Standard Street, Caerphilly, CF83 8DE6, Standard Street, Caerphilly, CF83 8DE
• Sold Aug 2025£215,000 | 4 Bed House6 Ystrad Buildings, Caerphilly, CF83 8BT6 Ystrad Buildings, Caerphilly, CF83 8BT
• Sold Nov 2024£185,000 | 4 Bed House78, William Street, Caerphilly, CF83 8FX78, William Street, Caerphilly, CF83 8FX
• Sold Aug 2024£160,000 | 4 Bed House33, Hazel Grove, Caerphilly, CF83 8GU33, Hazel Grove, Caerphilly, CF83 8GU
• Sold Jun 2024£178,000 | 4 Bed House7, Coronation Street, Caerphilly, CF83 8DL7, Coronation Street, Caerphilly, CF83 8DL
• Sold May 2024£175,000 | 4 Bed House4, Bryn Close, Caerphilly, CF83 8GN4, Bryn Close, Caerphilly, CF83 8GN
• Sold Apr 2024£175,000 | 4 Bed House17, William Street, Caerphilly, CF83 8DQ17, William Street, Caerphilly, CF83 8DQ
• Sold Dec 2021£166,000 | 4 Bed House92, James Street, Caerphilly, CF83 8FY92, James Street, Caerphilly, CF83 8FY
• Sold Dec 2021£162,000 | 4 Bed House3 Ystrad Buildings, Caerphilly, CF83 8BT3 Ystrad Buildings, Caerphilly, CF83 8BT
• Sold Sep 2021£168,000 | 4 Bed House31, Standard Street, Caerphilly, CF83 8DF31, Standard Street, Caerphilly, CF83 8DF
• Sold May 2021£152,000 | 4 Bed House8 Standard Villas, Standard Street, Caerphilly, CF83 8DG8 Standard Villas, Standard Street, Caerphilly, CF83 8DG
• Sold Feb 2020£166,500 | 4 Bed House4, Standard Street, Caerphilly, CF83 8DE4, Standard Street, Caerphilly, CF83 8DE
• Sold Nov 2019£140,000 | 4 Bed House5 Ystrad Buildings, Caerphilly, CF83 8BT5 Ystrad Buildings, Caerphilly, CF83 8BT
• Sold May 2018£135,000 | 4 Bed House3 Standard Villas, Standard Street, Caerphilly, CF83 8DG3 Standard Villas, Standard Street, Caerphilly, CF83 8DG
• Sold Aug 2016£110,000 | 4 Bed House19, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ19, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ
• Sold Jun 2015£145,000 | 4 Bed House8 Ystrad Buildings, Caerphilly, CF83 8BT8 Ystrad Buildings, Caerphilly, CF83 8BT
• Sold May 2015£139,950 | 4 Bed House5, Standard Street, Caerphilly, CF83 8DE5, Standard Street, Caerphilly, CF83 8DE
• Sold Jun 2014£133,500 | 4 Bed House2 Standard Villas, Standard Street, Caerphilly, CF83 8DG2 Standard Villas, Standard Street, Caerphilly, CF83 8DG
• Sold Feb 2012£120,000 | 4 Bed House31, Newport Road, Caerphilly, CF83 8DA31, Newport Road, Caerphilly, CF83 8DA
• Sold Oct 2010£125,000 | 4 Bed House13, Newport Road, Caerphilly, CF83 8BY13, Newport Road, Caerphilly, CF83 8BY

Our analysis of the public data ranks 9, Mary Street, Caerphilly as the largest and the most expensive of the 50 addresses on Mary Street, Trethomas, Caerphilly, CF83.

Against the CF83 postcode district average, it is £28k less expensive than the typical property.

• Caerphilly

  |

  3.4 km away
• Energlyn & Churchill Park

  |

  3.5 km away
• Llanbradach

  |

  3.7 km away

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