HM Land Registry records the plot of land for 21, Chatham Street, Caerphilly as measuring 235 m².

That makes it the 11th largest plot in the postcode, where 21 of the 23 other houses have recorded plot data.

21, Chatham Street, Caerphilly has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Feb 2019.

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

The most recent sale of 21, Chatham Street, Caerphilly completed on 17th April 1998 at £49,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

• Sold Apr 1998£49,500
• Sold Dec 1996£43,000

Since 2018 92 properties similar to 21, Chatham Street, Caerphilly have sold within a radius of 2.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 18th December 2025, was 40, Graig View, Caerphilly, CF83 8SE, a freehold house which sold for £227,500.

Read more about house prices in CF83.

• Sold Dec 2025£227,500 | 3 Bed House40, Graig View, Caerphilly, CF83 8SE40, Graig View, Caerphilly, CF83 8SE
• Sold Nov 2025£245,000 | 3 Bed House31, Commercial Road, Caerphilly, CF83 8NB31, Commercial Road, Caerphilly, CF83 8NB
• Sold Oct 2025£215,000 | 3 Bed House34, Graig View, Caerphilly, CF83 8SE34, Graig View, Caerphilly, CF83 8SE
• Sold Oct 2025£240,000 | 3 Bed House2, Chestnut Close, Caerphilly, CF83 8LF2, Chestnut Close, Caerphilly, CF83 8LF
• Sold Jul 2025£265,000 | 3 Bed House3, Chatham Street, Caerphilly, CF83 8SH3, Chatham Street, Caerphilly, CF83 8SH
• Sold May 2025£240,000 | 3 Bed House10, Lewis Street, Caerphilly, CF83 8PP10, Lewis Street, Caerphilly, CF83 8PP
• Sold May 2025£252,000 | 3 Bed House14, Chatham Street, Caerphilly, CF83 8SH14, Chatham Street, Caerphilly, CF83 8SH
• Sold Apr 2025£250,000 | 3 Bed House15, Chatham Street, Caerphilly, CF83 8SH15, Chatham Street, Caerphilly, CF83 8SH
• Sold Aug 2024£270,000 | 3 Bed House25, Chestnut Close, Caerphilly, CF83 8LF25, Chestnut Close, Caerphilly, CF83 8LF
• Sold Aug 2024£280,000 | 3 Bed House1, Chatham Street, Caerphilly, CF83 8SH1, Chatham Street, Caerphilly, CF83 8SH
• Sold Jun 2023£150,000 | 3 Bed House13, Lewis Street, Caerphilly, CF83 8PP13, Lewis Street, Caerphilly, CF83 8PP
• Sold May 2023£215,000 | 3 Bed House12, Lewis Street, Caerphilly, CF83 8PP12, Lewis Street, Caerphilly, CF83 8PP
• Sold Mar 2023£243,000 | 3 Bed House1, Chestnut Close, Caerphilly, CF83 8LF1, Chestnut Close, Caerphilly, CF83 8LF
• Sold Feb 2022£141,000 | 3 Bed House15, Chatham, Caerphilly, CF83 8SA15, Chatham, Caerphilly, CF83 8SA
• Sold Jul 2021£157,500 | 3 Bed House28, Graig View, Caerphilly, CF83 8SE28, Graig View, Caerphilly, CF83 8SE
• Sold May 2021£163,000 | 3 Bed House25, Llanarth Street, Caerphilly, CF83 8SJ25, Llanarth Street, Caerphilly, CF83 8SJ
• Sold Nov 2020£198,000 | 3 Bed House13, Llanarth Street, Caerphilly, CF83 8SJ13, Llanarth Street, Caerphilly, CF83 8SJ
• Sold Dec 2019£234,000 | 3 Bed House6, Llanarth Street, Caerphilly, CF83 8SJ6, Llanarth Street, Caerphilly, CF83 8SJ
• Sold May 2019£169,950 | 3 Bed House20, Chatham Street, Caerphilly, CF83 8SH20, Chatham Street, Caerphilly, CF83 8SH
• Sold Oct 2018£116,000 | 3 Bed House38, Graig View, Caerphilly, CF83 8SE38, Graig View, Caerphilly, CF83 8SE

Of the 23 addresses on Chatham Street, Machen, Caerphilly, CF83, 21, Chatham Street, Caerphilly comes out as the 20th largest and the 20th most expensive in our analysis of the public data.

It is also £26k more expensive than the average property across the CF83 district.

• Crosskeys

  |

  3.0 km away
• Risca & Pontymister

  |

  3.0 km away
• Rogerstone

  |

  4.5 km away

The flood risk here is rated Very Low, based on Environment Agency data.