4 St Mary Street, Monmouth, NP25 3DB
About 4 St Mary Street
4 St Mary Street is a three-bedroom mid-terrace house in Monmouth (NP25 3DB). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2021) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
At 126 m² the property is well over the postcode median (76 m² across 28 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £353,000 is 19.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£218/sq ft) was about 20.7% above the typical sold price in the postcode. Sold June 2022 for £295,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 4 St Mary Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- Cul-de-sacYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
4 St Mary Street has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 4 St Mary Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£353,000
Modelled from EPC, postcode comparables.
£295,000
Recorded with HM Land Registry.
Sales timeline
14 June 2022Most recent
£295,000
Median price across the last 5 sales in NP25 3DB: £480,000 (2024–2022).
Nearby sales in NP25 3DB
6 St Mary Street, Monmouth, NP25 3DB
Sold May 2024
£245,0002 Angel Court, St Mary Street, Monmouth, NP25 3DB
Sold Jul 2023
£480,000St John Hall, St Mary Street, Monmouth, NP25 3DB
Sold Mar 2023
£504,52521 St Mary Street, Monmouth, NP25 3DB
Sold Nov 2022
£825,0008 St Mary Street, Monmouth, NP25 3DB
Sold Aug 2022
£182,500
Everything we know about 4 St Mary Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other St Mary Street homes
4 St Mary Street outperforms the street on epc rating by a wide margin.
Price per m²
£2,341
Street avg £2,894
Floor Area
126 m²
Street avg 124 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.8 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Agincourt Square — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.