9, Castle Close, Monmouth occupies a 187 m² plot as recorded by HM Land Registry.

All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.

9, Castle Close, Monmouth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Jun 2020.

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

9, Castle Close, Monmouth last changed hands on 18th November 2022, selling for £188,000. 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 4.0% since November 2022.

• Sold Nov 2022£188,000
• Sold Oct 2011£110,000
• Sold Oct 1998£41,500

Land Registry records and our Estate Agent network show 88 sales of comparable properties within 970 metres of 9, Castle Close, Monmouth since 2012.

Most recently, 11, King Henry V Drive, Monmouth, NP25 5UE, a freehold house, sold at £220,000 on the 30th April 2026.

Read more about house prices in NP25.

• Sold Apr 2026£220,000 | 3 Bed House11, King Henry V Drive, Monmouth, NP25 5UE11, King Henry V Drive, Monmouth, NP25 5UE
• Sold Feb 2026£207,000 | 2 Bed House6, Grosmont Close, Monmouth, NP25 5UF6, Grosmont Close, Monmouth, NP25 5UF
• Sold Jan 2026£225,000 | 3 Bed House1, Grosmont Close, Monmouth, NP25 5UF1, Grosmont Close, Monmouth, NP25 5UF
• Sold Aug 2025£225,000 | 3 Bed House7, Mary De Bohun Close, Monmouth, NP25 5UB7, Mary De Bohun Close, Monmouth, NP25 5UB
• Sold Jun 2025£245,000 | 3 Bed House5, York Close, Monmouth, NP25 5UJ5, York Close, Monmouth, NP25 5UJ
• Sold May 2025£225,000 | 2 Bed House4, Grosmont Close, Monmouth, NP25 5UF4, Grosmont Close, Monmouth, NP25 5UF
• Sold Mar 2025£200,000 | 3 Bed House7, Courtfield Close, Monmouth, NP25 5UD7, Courtfield Close, Monmouth, NP25 5UD
• Sold Mar 2025£204,000 | 3 Bed House10, Grosmont Close, Monmouth, NP25 5UF10, Grosmont Close, Monmouth, NP25 5UF
• Sold Jan 2025£260,000 | 3 Bed House20, Mary De Bohun Close, Monmouth, NP25 5UB20, Mary De Bohun Close, Monmouth, NP25 5UB
• Sold May 2024£215,000 | 3 Bed House19, King Henry V Drive, Monmouth, NP25 5UE19, King Henry V Drive, Monmouth, NP25 5UE
• Sold Oct 2023£195,050 | 2 Bed House24, Grosmont Close, Monmouth, NP25 5UF24, Grosmont Close, Monmouth, NP25 5UF
• Sold Nov 2022£210,000 | 3 Bed House11, York Close, Monmouth, NP25 5UJ11, York Close, Monmouth, NP25 5UJ
• Sold Oct 2022£220,000 | 3 Bed House6, King Henry V Drive, Monmouth, NP25 5UE6, King Henry V Drive, Monmouth, NP25 5UE
• Sold Jul 2022£185,000 | 2 Bed House10, Castle Close, Monmouth, NP25 5UG10, Castle Close, Monmouth, NP25 5UG
• Sold Aug 2019£165,000 | 2 Bed House22, King Henry V Drive, Monmouth, NP25 5UE22, King Henry V Drive, Monmouth, NP25 5UE
• Sold Nov 2018£152,500 | 3 Bed House13, Castle Close, Monmouth, NP25 5UG13, Castle Close, Monmouth, NP25 5UG
• Sold Sep 2015£130,000 | 3 Bed House11, Clawdd Du, Monmouth, NP25 5BG11, Clawdd Du, Monmouth, NP25 5BG
• Sold Oct 2014£142,000 | 3 Bed House23, Grosmont Close, Monmouth, NP25 5UF23, Grosmont Close, Monmouth, NP25 5UF
• Sold Apr 2014£140,000 | 3 Bed House24, Wyefield Court, Monmouth, NP25 5TN24, Wyefield Court, Monmouth, NP25 5TN
• Sold Dec 2012£134,500 | 2 Bed House12, Castle Close, Monmouth, NP25 5UG12, Castle Close, Monmouth, NP25 5UG

Our analysis of the public data ranks 9, Castle Close, Monmouth as the 12th largest and the 12th most expensive of the 18 addresses on Castle Close, Monmouth, NP25.

Against the NP25 postcode district average, it is £108k less expensive than the typical property.

• Lydney

  |

  16.4 km away
• Chepstow

  |

  18.7 km away
• Abergavenny

  |

  20.0 km away

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