18 St James Street, Monmouth, NP25 3DL
About 18 St James Street
18 St James Street is a mid-terrace house in Monmouth (NP25 3DL). It has a recorded floor area of 340 m² (around 3660 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (April 2021) shows a C (score 69), just inside the C band. When first surveyed in November 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 340 m² the property is well over the postcode median (83 m² across 21 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations.
Know exactly what you're buying at 18 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
Energy performance
18 St James Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Floor insulation added or improved
Planning history
18 St James Street has a listed-building consent on record — alterations to a listed property are tightly controlled.
- May 2023ExtensionHeritageIn report
Extension: Single storey
Listed Building Consent for the retention of a single storey extension and internal alterations.
Listed- Documents
- 27 docs on file
- Reference
- DM/2020/00368
- May 2023AmendmentIn report
NMA relating to DM/2020/00367: The retention of an internal wall at first floor level, and the use of more traditional forms of construction with powder coated aluminium Bi-fold doors for the single storey extension.
Retrospective- Documents
- 8 docs on file
- Reference
- DM/2020/01377
We flagged 1 thing worth checking at 18 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
18 St James Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£584,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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 18 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 epc rating, 18 St James Street stands well clear of the street.
EPC Rating
69 (C)
Street avg 55 (E)
Floor Area
340 m²
Street avg 190 m²
CO₂ Emissions
11.0 t/year
Street avg 9.6 t/year
Habitable Rooms
10 rooms
Street avg 8 rooms
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1 Dixton Close
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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.