Our Data Sources
12, St. Thomas Square, Monmouth has 21 entries in the Land Registry, most recently in October 2014 and a single entry in the EPC database dated October 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 12, St. Thomas Square, Monmouth would be worth £520,149, with a potential rental value of £1,813 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £460,703, with a rental value of £1,606 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, St. Thomas Square, Monmouth occupies a 490 m2 plot as recorded by HM Land Registry.
Of the 9 other houses in this postcode, 5 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
12, St. Thomas Square, Monmouth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Oct 2013.
The property is not connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
12, St. Thomas Square, Monmouth last changed hands on 3rd October 2014, selling for £400,000. 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 risen by 89.3% since October 2014.
- Sold Oct 2014£400,000
- Sold Nov 2006£345,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 8 sales of comparable properties within 790 metres of 12, St. Thomas Square, Monmouth since 2013.
Most recently, 4, Glendower Street, Monmouth, NP25 3DG, a freehold house, sold at £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£475,000 | 5 Bed House13, Whitecross Street, Monmouth, NP25 3BY13, Whitecross Street, Monmouth, NP25 3BY
- Sold Oct 2024£630,000 | 5 Bed House10, Glendower Street, Monmouth, NP25 3DG10, Glendower Street, Monmouth, NP25 3DG
- Sold Jul 2024£490,000 | 5 Bed House39, Wonastow Road, Monmouth, NP25 5DG39, Wonastow Road, Monmouth, NP25 5DG
- Sold Mar 2024£618,000 | 5 Bed House15, Glendower Street, Monmouth, NP25 3DG15, Glendower Street, Monmouth, NP25 3DG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £296,800, ranging from £181,293 to £644,040.
- 14 St. Thomas Square
4 Bed House | 9 m | Est. Value: £443,920
- St. Thomas Vicarage
4 Bed House | 33 m | Est. Value: £418,043
- 25 St. Thomas Square
2 Bed House | 33 m | Est. Value: £239,536
- 27 St. Thomas Square
2 Bed House | 36 m | Est. Value: £196,234
- Overmonnow House
5 Bed House | 36 m | Est. Value: £644,040
Location Comparison
Our analysis of the public data ranks 12, St. Thomas Square, Monmouth as the 2nd largest and the 2nd most expensive of the 16 addresses on St. Thomas Square, Monmouth, NP25.
Against the NP25 postcode district average, it is £160k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Lydney|16.7 km away
- Chepstow|19.0 km away
- Abergavenny|19.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
