HM Land Registry records the plot of land for 18, Carmarthen Court, Caerphilly as measuring 413 m².

That makes it the 2nd largest plot in the postcode, where all 21 other houses have recorded plot data.

18, Carmarthen Court, Caerphilly has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Jan 2026.

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 18, Carmarthen Court, Caerphilly completed on 9th November 2011 at £128,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 46.3% over the period since November 2011.

• Sold Nov 2011£128,000

Since 2018 220 properties similar to 18, Carmarthen Court, Caerphilly have sold within a radius of 770 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th April 2026, was 37, Caerleon Court, Caerphilly, CF83 2UF, a freehold house which sold for £267,500.

Read more about house prices in CF83.

• Sold Apr 2026£267,500 | 3 Bed House37, Caerleon Court, Caerphilly, CF83 2UF37, Caerleon Court, Caerphilly, CF83 2UF
• Sold Dec 2025£275,000 | 3 Bed House4, Caldicot Court, Caerphilly, CF83 2TJ4, Caldicot Court, Caerphilly, CF83 2TJ
• Sold Jun 2025£270,000 | 3 Bed House18, Caerleon Court, Caerphilly, CF83 2UF18, Caerleon Court, Caerphilly, CF83 2UF
• Sold Jun 2025£247,000 | 3 Bed House16, Conway Court, Caerphilly, CF83 2TL16, Conway Court, Caerphilly, CF83 2TL
• Sold May 2025£270,000 | 3 Bed House40, Denbigh Court, Caerphilly, CF83 2UN40, Denbigh Court, Caerphilly, CF83 2UN
• Sold May 2025£312,500 | 3 Bed House24, Pembroke Court, Caerphilly, CF83 2TN24, Pembroke Court, Caerphilly, CF83 2TN
• Sold Feb 2025£265,000 | 3 Bed House18, Monmouth Court, Caerphilly, CF83 2TG18, Monmouth Court, Caerphilly, CF83 2TG
• Sold Oct 2024£217,500 | 3 Bed House3, Raglan Court, Caerphilly, CF83 2TF3, Raglan Court, Caerphilly, CF83 2TF
• Sold Dec 2023£335,000 | 3 Bed House17, Ogmore Court, Caerphilly, CF83 2TQ17, Ogmore Court, Caerphilly, CF83 2TQ
• Sold Sep 2023£240,000 | 3 Bed House23, Ogmore Court, Caerphilly, CF83 2TQ23, Ogmore Court, Caerphilly, CF83 2TQ
• Sold Aug 2023£200,000 | 3 Bed House26, Monmouth Court, Caerphilly, CF83 2TG26, Monmouth Court, Caerphilly, CF83 2TG
• Sold Jan 2023£190,000 | 3 Bed House18, Chester Court, Caerphilly, CF83 2UP18, Chester Court, Caerphilly, CF83 2UP
• Sold Dec 2022£280,000 | 3 Bed House11, Ogmore Court, Caerphilly, CF83 2TQ11, Ogmore Court, Caerphilly, CF83 2TQ
• Sold Oct 2022£244,000 | 3 Bed House8, Rhuddlan Court, Caerphilly, CF83 2UQ8, Rhuddlan Court, Caerphilly, CF83 2UQ
• Sold Sep 2022£210,000 | 3 Bed House5, Conway Court, Caerphilly, CF83 2TL5, Conway Court, Caerphilly, CF83 2TL
• Sold Aug 2022£230,000 | 3 Bed House6, Carmarthen Court, Caerphilly, CF83 2TX6, Carmarthen Court, Caerphilly, CF83 2TX
• Sold Aug 2021£195,000 | 3 Bed House19, Conway Court, Caerphilly, CF83 2TL19, Conway Court, Caerphilly, CF83 2TL
• Sold Mar 2021£190,000 | 3 Bed House35, Caerleon Court, Caerphilly, CF83 2UF35, Caerleon Court, Caerphilly, CF83 2UF
• Sold Sep 2020£182,500 | 3 Bed House2, Ogmore Court, Caerphilly, CF83 2TQ2, Ogmore Court, Caerphilly, CF83 2TQ
• Sold May 2018£182,000 | 3 Bed House20, Monmouth Court, Caerphilly, CF83 2TG20, Monmouth Court, Caerphilly, CF83 2TG

Of the 21 addresses on Carmarthen Court, Caerphilly, CF83, 18, Carmarthen Court, Caerphilly comes out as the 8th largest and the 3rd most expensive in our analysis of the public data.

It is also £25k more expensive than the average property across the CF83 district.

• Energlyn & Churchill Park

  |

  1.2 km away
• Aber

  |

  1.4 km away
• Caerphilly

  |

  2.2 km away

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