56, William Street, Caerphilly occupies a 115 m² plot as recorded by HM Land Registry.

Of the 28 other houses in this postcode, 23 have recorded plot sizes, and this one ranks as the 11th largest.

56, William Street, Caerphilly has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Jan 2024.

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

56, William Street, Caerphilly last changed hands on 18th July 2025, selling for £162,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 27.8% since July 2025.

• Sold Jul 2025£162,000
• Sold Feb 2003£64,950
• Sold Jul 1998£26,000

Land Registry records and our Estate Agent network show 114 sales of comparable properties within 1.1 kilometres of 56, William Street, Caerphilly since 2017.

Most recently, 8, Thomas Street, Caerphilly, CF83 8DP, a freehold house, sold at £147,000 on the 8th April 2025.

Read more about house prices in CF83.

• Sold Apr 2025£147,000 | 3 Bed House8, Thomas Street, Caerphilly, CF83 8DP8, Thomas Street, Caerphilly, CF83 8DP
• Sold Nov 2024£185,000 | 4 Bed House78, William Street, Caerphilly, CF83 8FX78, William Street, Caerphilly, CF83 8FX
• Sold Nov 2024£149,500 | 3 Bed House34, Thomas Street, Caerphilly, CF83 8DP34, Thomas Street, Caerphilly, CF83 8DP
• Sold Aug 2024£180,000 | 3 Bed House48, Thomas Street, Caerphilly, CF83 8DP48, Thomas Street, Caerphilly, CF83 8DP
• Sold Jun 2024£178,000 | 4 Bed House7, Coronation Street, Caerphilly, CF83 8DL7, Coronation Street, Caerphilly, CF83 8DL
• Sold Apr 2024£175,000 | 4 Bed House17, William Street, Caerphilly, CF83 8DQ17, William Street, Caerphilly, CF83 8DQ
• Sold Jan 2024£201,000 | 3 Bed House16, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ16, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ
• Sold Nov 2023£153,000 | 3 Bed House49, William Street, Caerphilly, CF83 8DQ49, William Street, Caerphilly, CF83 8DQ
• Sold May 2022£180,000 | 4 Bed House89, James Street, Caerphilly, CF83 8FY89, James Street, Caerphilly, CF83 8FY
• Sold Apr 2022£138,500 | 3 Bed House31, Mary Street, Caerphilly, CF83 8HN31, Mary Street, Caerphilly, CF83 8HN
• Sold Jan 2022£160,000 | 3 Bed House90, James Street, Caerphilly, CF83 8FY90, James Street, Caerphilly, CF83 8FY
• Sold Dec 2021£166,000 | 4 Bed House92, James Street, Caerphilly, CF83 8FY92, James Street, Caerphilly, CF83 8FY
• Sold Sep 2021£158,000 | 3 Bed House50, Mary Street, Caerphilly, CF83 8HN50, Mary Street, Caerphilly, CF83 8HN
• Sold Jun 2021£115,000 | 4 Bed House2, Coronation Street, Caerphilly, CF83 8DL2, Coronation Street, Caerphilly, CF83 8DL
• Sold Jun 2021£158,000 | 4 Bed House68, James Street, Caerphilly, CF83 8FY68, James Street, Caerphilly, CF83 8FY
• Sold Apr 2021£120,000 | 4 Bed House29, Mary Street, Caerphilly, CF83 8HN29, Mary Street, Caerphilly, CF83 8HN
• Sold Mar 2020£147,000 | 3 Bed House52, William Street, Caerphilly, CF83 8FX52, William Street, Caerphilly, CF83 8FX
• Sold Jan 2020£150,000 | 3 Bed House24, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ24, Upper Glyn Gwyn Street, Caerphilly, CF83 8FZ
• Sold Jan 2019£103,000 | 4 Bed House84, James Street, Caerphilly, CF83 8FY84, James Street, Caerphilly, CF83 8FY
• Sold Aug 2017£129,000 | 3 Bed House61, James Street, Caerphilly, CF83 8FY61, James Street, Caerphilly, CF83 8FY

Our analysis of the public data ranks 56, William Street, Caerphilly as the 9th largest and the 18th most expensive of the 71 addresses on William Street, Trethomas, Caerphilly, CF83.

Against the CF83 postcode district average, it is £43k less expensive than the typical property.

• Energlyn & Churchill Park

  |

  3.6 km away
• Caerphilly

  |

  3.7 km away
• Llanbradach

  |

  3.8 km away

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