20, Thomas Street, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Mar 2026.

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

Land Registry records and our Estate Agent network show 129 sales of comparable properties within 1.4 kilometres of 20, Thomas Street, Caerphilly since 2018.

Most recently, 58, High Street, Caerphilly, CF83 3LQ, a freehold house, sold at £115,000 on the 26th February 2026.

Read more about house prices in CF83.

• Sold Feb 2026£115,000 | 4 Bed House58, High Street, Caerphilly, CF83 3LQ58, High Street, Caerphilly, CF83 3LQ
• Sold Nov 2025£173,000 | 3 Bed House75, School Street, Caerphilly, CF83 3LD75, School Street, Caerphilly, CF83 3LD
• Sold Oct 2025£170,000 | 3 Bed House32, De Winton Terrace, Caerphilly, CF83 3JX32, De Winton Terrace, Caerphilly, CF83 3JX
• Sold Aug 2025£230,000 | 4 Bed House3, Tyn Y Graig Road, Caerphilly, CF83 3LH3, Tyn Y Graig Road, Caerphilly, CF83 3LH
• Sold Jun 2025£170,000 | 3 Bed House36, De Winton Terrace, Caerphilly, CF83 3JX36, De Winton Terrace, Caerphilly, CF83 3JX
• Sold Jun 2025£142,000 | 4 Bed House10, Ffrwd Terrace, Caerphilly, CF83 3NR10, Ffrwd Terrace, Caerphilly, CF83 3NR
• Sold Mar 2025£155,000 | 3 Bed House16, Tyn Y Graig Road, Caerphilly, CF83 3LH16, Tyn Y Graig Road, Caerphilly, CF83 3LH
• Sold Dec 2024£225,000 | 4 Bed House2, Grove Street, Caerphilly, CF83 3LN2, Grove Street, Caerphilly, CF83 3LN
• Sold Oct 2024£145,000 | 3 Bed House37, De Winton Terrace, Caerphilly, CF83 3JX37, De Winton Terrace, Caerphilly, CF83 3JX
• Sold May 2024£178,500 | 4 Bed House27, High Street, Caerphilly, CF83 3LP27, High Street, Caerphilly, CF83 3LP
• Sold Apr 2024£115,000 | 3 Bed House18, High Street, Caerphilly, CF83 3LQ18, High Street, Caerphilly, CF83 3LQ
• Sold Dec 2023£179,500 | 3 Bed House58, School Street, Caerphilly, CF83 3LE58, School Street, Caerphilly, CF83 3LE
• Sold Nov 2023£200,000 | 4 Bed House3, High Street, Caerphilly, CF83 3LP3, High Street, Caerphilly, CF83 3LP
• Sold Oct 2023£147,000 | 4 Bed House64, School Street, Caerphilly, CF83 3LE64, School Street, Caerphilly, CF83 3LE
• Sold Oct 2023£135,000 | 4 Bed House35, School Street, Caerphilly, CF83 3LB35, School Street, Caerphilly, CF83 3LB
• Sold Jul 2023£170,000 | 3 Bed House7, Tyn Y Graig Road, Caerphilly, CF83 3LH7, Tyn Y Graig Road, Caerphilly, CF83 3LH
• Sold Aug 2022£158,000 | 4 Bed House52, School Street, Caerphilly, CF83 3LE52, School Street, Caerphilly, CF83 3LE
• Sold Apr 2021£165,000 | 4 Bed House14, Tyn Y Graig Road, Caerphilly, CF83 3LH14, Tyn Y Graig Road, Caerphilly, CF83 3LH
• Sold Jun 2020£108,000 | 4 Bed House26, De Winton Terrace, Caerphilly, CF83 3JX26, De Winton Terrace, Caerphilly, CF83 3JX
• Sold Oct 2018£90,000 | 4 Bed House25, Thomas Street, Caerphilly, CF83 3LG25, Thomas Street, Caerphilly, CF83 3LG

Our analysis of the public data ranks 20, Thomas Street, Caerphilly as the 6th largest and the 7th most expensive of the 35 addresses on Thomas Street, Llanbradach, Caerphilly, CF83.

Against the CF83 postcode district average, it is £49k less expensive than the typical property.

• Llanbradach

  |

  100 m away
• Energlyn & Churchill Park

  |

  2.2 km away
• Aber

  |

  3.2 km away

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