1, Monnow Keep, Monmouth occupies a 324 m² plot as recorded by HM Land Registry.

Of the 19 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 5th largest.

1, Monnow Keep, Monmouth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 May 2021.

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

1, Monnow Keep, Monmouth last changed hands on 3rd December 2021, selling for £320,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 14.2% since December 2021.

• Sold Dec 2021£320,000
• Sold Apr 2006£280,000

Land Registry records and our Estate Agent network show 69 sales of comparable properties within 800 metres of 1, Monnow Keep, Monmouth since 2015.

Most recently, 14, Glendower Street, Monmouth, NP25 3DG, a freehold house, sold at £258,000 on the 19th December 2025.

Read more about house prices in NP25.

• Sold Dec 2025£258,000 | 3 Bed House14, Glendower Street, Monmouth, NP25 3DG14, Glendower Street, Monmouth, NP25 3DG
• Sold Jul 2025£363,000 | 3 Bed House35, St. Thomas Road, Monmouth, NP25 5SB35, St. Thomas Road, Monmouth, NP25 5SB
• Sold Apr 2025£246,000 | 3 Bed House26, Elstob Way, Monmouth, NP25 5ET26, Elstob Way, Monmouth, NP25 5ET
• Sold Aug 2024£280,000 | 3 Bed House15, Elstob Way, Monmouth, NP25 5ET15, Elstob Way, Monmouth, NP25 5ET
• Sold Jul 2024£380,000 | 3 Bed House37, St. Thomas Road, Monmouth, NP25 5SB37, St. Thomas Road, Monmouth, NP25 5SB
• Sold Nov 2023£365,000 | 3 Bed House10, Monnow Keep, Monmouth, NP25 3EX10, Monnow Keep, Monmouth, NP25 3EX
• Sold Sep 2022£325,000 | 3 Bed House18, Monnow Street, Monmouth, NP25 3EE18, Monnow Street, Monmouth, NP25 3EE
• Sold Sep 2022£280,000 | 3 Bed House38, Monnow Keep, Monmouth, NP25 3EX38, Monnow Keep, Monmouth, NP25 3EX
• Sold Mar 2022£317,500 | 3 Bed House5, St. Thomas Road, Monmouth, NP25 5SA5, St. Thomas Road, Monmouth, NP25 5SA
• Sold Feb 2022£284,000 | 3 Bed House8, Monnow Street, Monmouth, NP25 3EE8, Monnow Street, Monmouth, NP25 3EE
• Sold Jul 2021£278,500 | 3 Bed House3, Victoria Court, Monmouth, NP25 5DQ3, Victoria Court, Monmouth, NP25 5DQ
• Sold May 2021£235,000 | 3 Bed House35, Monnow Keep, Monmouth, NP25 3EX35, Monnow Keep, Monmouth, NP25 3EX
• Sold Oct 2020£210,000 | 3 Bed House34, Monnow Keep, Monmouth, NP25 3EX34, Monnow Keep, Monmouth, NP25 3EX
• Sold Oct 2020£242,000 | 3 Bed House36, Monnow Keep, Monmouth, NP25 3EX36, Monnow Keep, Monmouth, NP25 3EX
• Sold Feb 2020£330,000 | 3 Bed House11, Monnow Keep, Monmouth, NP25 3EX11, Monnow Keep, Monmouth, NP25 3EX
• Sold Feb 2020£267,500 | 3 Bed House36, St. Thomas Road, Monmouth, NP25 5SB36, St. Thomas Road, Monmouth, NP25 5SB
• Sold Jul 2019£295,000 | 3 Bed House11, Cornpoppy Avenue, Monmouth, NP25 5SD11, Cornpoppy Avenue, Monmouth, NP25 5SD
• Sold Oct 2016£247,500 | 3 Bed House18, Cornpoppy Avenue, Monmouth, NP25 5SD18, Cornpoppy Avenue, Monmouth, NP25 5SD
• Sold Sep 2016£138,000 | 3 Bed House16, Monnow Street, Monmouth, NP25 3EE16, Monnow Street, Monmouth, NP25 3EE
• Sold Sep 2015£285,000 | 3 Bed House3, Monnow Keep, Monmouth, NP25 3EX3, Monnow Keep, Monmouth, NP25 3EX

Our analysis of the public data ranks 1, Monnow Keep, Monmouth as the 8th largest and the 4th most expensive of the 47 addresses on Monnow Keep, Monmouth, NP25.

Against the NP25 postcode district average, it is £23k more expensive than the typical property.

• Lydney

  |

  16.8 km away
• Chepstow

  |

  19.3 km away
• Abergavenny

  |

  20.0 km away

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