9 St James Street, Monmouth, NP25 3DL
About 9 St James Street
9 St James Street is a five-bedroom mid-terrace house in Monmouth (NP25 3DL). It has a recorded floor area of 288 m² (around 3100 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. Other recorded features include a basement. The latest certificate (July 2014) shows an E (score 41), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2011. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 71), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
At 288 m² the property is well over the postcode median (83 m² across 21 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). 5 planning records sit against the property, 4 approved, 1 refused. Past consents include tree works, an extension, a porch and a conservatory, meaningful when judging how the property has evolved. Across 2004–2014, sale prices on this property compounded at 0.5% per year. Today's modelled estimate of £697,000 is 39.7% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£161/sq ft) was about 24.8% below the postcode norm. On the market in July 2014 and unlisted since — roughly 12 years.
Know exactly what you're buying at 9 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
- Bedrooms5
- Dining roomYes
- CloakroomYes
- StudyYes
- BasementYes
Outside
- GarageDouble
Building
- Listed buildingYes
Energy performance
9 St James Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jul 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Planning history
9 St James Street has been through 4 approved planning applications — a well-evolved property.
- Sept 2024Tree WorksTreesIn report
The tree surgeon recommends reducing the extent of the tree by 30%. The tree is a mature magnolia at the end of the garden of 9 St James Street and partly overhangs the new car park on Wyebridge Street
- Documents
- 4 docs on file
- Reference
- DM/2024/01108
- Sept 2018RenovationFullIn report
To dismantle current pergola (2.5m high and 3m long) in order to remove large wisteria plant, the roots of which are raising the patio flag stones, and to re-erect and then extend the pergola at the same height and design along the remainder of the length of the patio - i.e. extend length of pergola to 6m.
- Documents
- 13 docs on file
- Reference
- DM/2018/01214
We flagged 1 thing worth checking at 9 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
9 St James Street valuation sits well clear of the typical sold price in this postcode.
£697,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 10 years.
£499,000
Growth on file: 0.5% per year over 10 years.
Sales timeline
2 July 2014Most recent
£499,000
+5.1%over 9 years14 December 2004
£475,000
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 9 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
9 St James Street is notably below the street on epc rating.
Price per m²
£1,733
Street avg £2,420
Floor Area
288 m²
Street avg 197 m²
Habitable Rooms
10 rooms
Street avg 8 rooms
CO₂ Emissions
17.0 t/year
Street avg 8.9 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.