18, Monnow Keep, Monmouth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jul 2019.

The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

18, Monnow Keep, Monmouth last changed hands on 23rd February 2006, selling for £119,750. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Feb 2006£119,750

Land Registry records and our Estate Agent network show 22 sales of comparable properties within 830 metres of 18, Monnow Keep, Monmouth since 2008.

Most recently, 21, Monnow Keep, Monmouth, NP25 3EX, a leasehold flat, sold at £150,000 on the 30th June 2025.

Read more about house prices in NP25.

• Sold Jun 2025£150,000 | 1 Bed Flat21, Monnow Keep, Monmouth, NP25 3EX21, Monnow Keep, Monmouth, NP25 3EX
• Sold Nov 2024£137,000 | 2 Bed FlatFlat 1, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 1, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT
• Sold Jun 2023£152,500 | 2 Bed FlatFlat 13, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 13, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT
• Sold Feb 2023£125,000 | 2 Bed Flat14, Howells Place, Monmouth, NP25 3ED14, Howells Place, Monmouth, NP25 3ED
• Sold Nov 2022£144,000 | 1 Bed Flat30, Monnow Keep, Monmouth, NP25 3EX30, Monnow Keep, Monmouth, NP25 3EX
• Sold Oct 2022£125,000 | 2 Bed Flat24, Monnow Keep, Monmouth, NP25 3EX24, Monnow Keep, Monmouth, NP25 3EX
• Sold Aug 2022£150,000 | 1 Bed Flat20, Monnow Keep, Monmouth, NP25 3EX20, Monnow Keep, Monmouth, NP25 3EX
• Sold May 2022£170,000 | 2 Bed FlatFlat 18, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 18, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT
• Sold May 2022£114,000 | 1 Bed FlatFlat 1, Lockwood Court, Wonastow Road, Monmouth, NP25 5UXFlat 1, Lockwood Court, Wonastow Road, Monmouth, NP25 5UX
• Sold Oct 2021£94,000 | 2 Bed FlatFlat 7, The Chantry, The Parade, Monmouth, NP25 3PAFlat 7, The Chantry, The Parade, Monmouth, NP25 3PA
• Sold Jun 2020£122,500 | 2 Bed Flat29, Monnow Keep, Monmouth, NP25 3EX29, Monnow Keep, Monmouth, NP25 3EX
• Sold Nov 2019£82,000 | 1 Bed Flat26, Chippenham Court, Monmouth, NP25 3UZ26, Chippenham Court, Monmouth, NP25 3UZ
• Sold Oct 2019£82,500 | 1 Bed FlatFlat 7, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 7, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT
• Sold Aug 2019£175,000 | 2 Bed FlatFlat 16, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 16, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT
• Sold Oct 2016£110,000 | 2 Bed Flat12, Howells Place, Monmouth, NP25 3ED12, Howells Place, Monmouth, NP25 3ED
• Sold Mar 2013£95,000 | 1 Bed FlatFlat 3, 1, Worcester Street, Monmouth, NP25 3DFFlat 3, 1, Worcester Street, Monmouth, NP25 3DF
• Sold Mar 2013£95,000 | 1 Bed FlatFlat 2, 1, Worcester Street, Monmouth, NP25 3DFFlat 2, 1, Worcester Street, Monmouth, NP25 3DF
• Sold May 2012£105,000 | 2 Bed Flat17, Monnow Keep, Monmouth, NP25 3EX17, Monnow Keep, Monmouth, NP25 3EX
• Sold Nov 2010£105,000 | 1 Bed FlatFlat 1, 1, Worcester Street, Monmouth, NP25 3DFFlat 1, 1, Worcester Street, Monmouth, NP25 3DF
• Sold May 2008£110,000 | 1 Bed FlatFlat 5, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PTFlat 5, Kingsmead Court, The Oldway Centre, Monmouth, NP25 3PT

Our analysis of the public data ranks 18, Monnow Keep, Monmouth as the 45th largest and the 43rd most expensive of the 47 addresses on Monnow Keep, Monmouth, NP25.

Against the NP25 postcode district average, it is £194k less 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.