According to data from HM Land Registry, 14, St. Thomas Square, Monmouth sits on a plot of 239 m².

We have plot size data on 5 out of 9 other houses in the postcode and 14, St. Thomas Square, Monmouth sits on the 3rd largest plot.

14, St. Thomas Square, Monmouth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Jul 2025.

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

According to HM Land Registry, 14, St. Thomas Square, Monmouth was last sold on 6th February 2017 for £332,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2017, the market for similar properties has risen by 63.4%.

• Sold Feb 2017£332,500

According to the Land Registry and our network of Estate Agents, there have been 19 sales of properties similar to 14, St. Thomas Square, Monmouth within a radius of 790 metres since 2010.

The most recent example is 4, Glendower Street, Monmouth, NP25 3DG, a freehold house which sold for £580,000 on the 5th December 2025.

Read more about house prices in NP25.

• Sold Dec 2025£580,000 | 5 Bed House4, Glendower Street, Monmouth, NP25 3DG4, Glendower Street, Monmouth, NP25 3DG
• Sold Oct 2025£500,000 | 4 Bed House13, Agincourt Square, Monmouth, NP25 3DY13, Agincourt Square, Monmouth, NP25 3DY
• Sold Oct 2025£220,000 | 4 Bed House12, Agincourt Square, Monmouth, NP25 3DY12, Agincourt Square, Monmouth, NP25 3DY
• Sold Dec 2024£410,000 | 4 Bed House20, Drybridge Street, Monmouth, NP25 5AD20, Drybridge Street, Monmouth, NP25 5AD
• Sold Jul 2024£490,000 | 5 Bed House39, Wonastow Road, Monmouth, NP25 5DG39, Wonastow Road, Monmouth, NP25 5DG
• Sold Jun 2023£425,000 | 4 Bed House18, Rockfield Road, Monmouth, NP25 5BA18, Rockfield Road, Monmouth, NP25 5BA
• Sold Apr 2023£415,000 | 5 Bed House13, Beech Road, Monmouth, NP25 5DA13, Beech Road, Monmouth, NP25 5DA
• Sold Sep 2022£425,000 | 4 Bed House12, Beech Road, Monmouth, NP25 5DA12, Beech Road, Monmouth, NP25 5DA
• Sold Jun 2021£360,000 | 4 Bed House8, Monnow Keep, Monmouth, NP25 3EX8, Monnow Keep, Monmouth, NP25 3EX
• Sold Mar 2021£295,000 | 4 Bed House49, Elstob Way, Monmouth, NP25 5ET49, Elstob Way, Monmouth, NP25 5ET
• Sold Jun 2019£400,000 | 5 Bed House1, Wyebeeches, Monmouth, NP25 5EJ1, Wyebeeches, Monmouth, NP25 5EJ
• Sold Apr 2018£400,000 | 4 Bed House5, Wyebeeches, Monmouth, NP25 5EJ5, Wyebeeches, Monmouth, NP25 5EJ
• Sold Jun 2017£390,000 | 4 Bed House14, Tower View, Monmouth, NP25 5FD14, Tower View, Monmouth, NP25 5FD
• Sold Apr 2017£365,000 | 4 Bed House3, Wyebeeches, Monmouth, NP25 5EJ3, Wyebeeches, Monmouth, NP25 5EJ
• Sold Aug 2016£385,000 | 4 Bed House3, Wonastow Road, Monmouth, NP25 5AH3, Wonastow Road, Monmouth, NP25 5AH
• Sold Jun 2016£340,000 | 5 Bed HouseSt. Dials House, St. Dials Close, Monmouth, NP25 5EESt. Dials House, St. Dials Close, Monmouth, NP25 5EE
• Sold Mar 2016£275,000 | 4 Bed House38, St. Mary Street, Monmouth, NP25 3DD38, St. Mary Street, Monmouth, NP25 3DD
• Sold Feb 2016£425,000 | 4 Bed House36, St. Mary Street, Monmouth, NP25 3DD36, St. Mary Street, Monmouth, NP25 3DD
• Sold Dec 2010£229,000 | 4 Bed House4, Cornpoppy Avenue, Monmouth, NP25 5SD4, Cornpoppy Avenue, Monmouth, NP25 5SD

St. Thomas Square, Monmouth, NP25 has a total of 16 addresses. According to our analysis of all the public data, 14, St. Thomas Square, Monmouth is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £109k more expensive than the average property in NP25.

• Lydney

  |

  16.7 km away
• Chepstow

  |

  19.0 km away
• Abergavenny

  |

  19.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.