Our Data Sources
25A, St. Mary Street, Monmouth has 31 entries in the Land Registry , most recently in June 2017 and a single entry in the EPC database dated June 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 25A, St. Mary Street, Monmouth would be worth £486,332, with a potential rental value of £1,401 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £430,751, with a rental value of £1,241 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
25A, St. Mary Street, Monmouth occupies a 191 m2 plot as recorded by HM Land Registry.
Of the 21 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
25A, St. Mary Street, Monmouth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Jun 2025.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
25A, St. Mary Street, Monmouth last changed hands on 14th June 2017, selling for £270,000. 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 7.7% since June 2017.
- Sold Jun 2017£270,000
- Sold Oct 1998£103,000
- Sold Mar 1995£69,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 36 sales of comparable properties within 950 metres of 25A, St. Mary Street, Monmouth across the last 2 years.
Most recently, 5, Whitecross Street, Monmouth, NP25 3BY, a freehold house, sold at £420,000 on the 2nd December 2025.
Read more about house prices in NP25.
- Sold Dec 2025£420,000 | 4 Bed House5, Whitecross Street, Monmouth, NP25 3BY5, Whitecross Street, Monmouth, NP25 3BY
- Sold Jun 2023£510,000 | 4 Bed House34, St. Mary Street, Monmouth, NP25 3DD34, St. Mary Street, Monmouth, NP25 3DD
- Sold Jun 2021£216,500 | 3 Bed House33, St. Mary Street, Monmouth, NP25 3DD33, St. Mary Street, Monmouth, NP25 3DD
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 25A, St. Mary Street, Monmouth as the 15th largest and the 14th most expensive of the 51 addresses on St. Mary Street, Monmouth, NP25.
Against the NP25 postcode district average, it is £127k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Lydney|16.6 km away
- Chepstow|19.4 km away
- Abergavenny|20.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












