19 St James Street, Monmouth, NP25 3DL
About 19 St James Street
19 St James Street is a four-bedroom mid-terrace house in Monmouth (NP25 3DL). It has a recorded floor area of 200 m² (around 2153 sq ft), construction records dating it to before 1900 and council tax band G. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (May 2018) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).
Untraded for 21 years, with the last transfer in August 2005. At 200 m² the property is well over the postcode median (83 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £532,000 sits 57.6% above the 2005 sale of £337,500. On a £-per-square-foot basis, the last sale (£157/sq ft) was about 21% below the postcode norm. 5 planning records sit against the property, 5 approved, 0 refused.
Know exactly what you're buying at 19 St James 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
- Bedrooms4
- EnsuiteYes
Building
- Listed buildingYes
- Central heatingYes
Energy performance
19 St James Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
19 St James Street has been through 5 approved planning applications — a well-evolved property.
- Apr 2025AmendmentIn report
Non-material amendments in relation to planning consent DM/2024/00697 - replacement of the projecting oriel window with non projecting fixed glazing and profiled timber board cladding to the rear of the building to the courtyard (stone to be maintained to front elevation). Adjustment to size of sliding doors to the courtyard and repositioning of south west wall.
- Documents
- 12 docs on file
- Reference
- DM/2025/00348
- Jul 2024OutbuildingFullIn report
Construction of new flat roofed and stone faced replacement garden room within the garden of 19 St. James Street, Monmouth.
- Documents
- 21 docs on file
- Reference
- DM/2024/00697
We flagged 1 thing worth checking at 19 St James 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
19 St James Street valuation sits well clear of the typical sold price in this postcode.
£532,000
Modelled from EPC, postcode comparables.
£337,500
Recorded with HM Land Registry.
Sales timeline
3 August 2005Most recent
£337,500
Median price across the last 5 sales in NP25 3DL: £350,000 (2023–2019).
Nearby sales in NP25 3DL
20 St James Street, Monmouth, NP25 3DL
Sold Oct 2023
£795,00011 St James Street, Monmouth, NP25 3DL
Sold May 2023
£335,00016a, St James Street, Monmouth, NP25 3DL
Sold Jan 2022
£350,00015 St James Street, Monmouth, NP25 3DL
Sold May 2021
£585,000Flat 1, 5 St James Street, Monmouth, NP25 3DL
Sold Aug 2019
£265,000
Everything we know about 19 St James 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 James Street homes
On price per m², 19 St James Street runs well behind the street norm.
Price per m²
£1,688
Street avg £2,427
Floor Area
200 m²
Street avg 208 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
8.9 t/year
Street avg 9.9 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
Monmouth School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.