Flat 1, 1 Monnow Street, Monmouth, NP25 3EF
About Flat 1
Flat 1 is a mid-terrace house in Monmouth (NP25 3EF). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band C. At 48 m² this is the smallest unit on EPC record across the building (48–55 m²). On EPC score it ranks first in the building (62 versus a worst of 61). The latest certificate (April 2021) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since May 2011. The recommended improvements would push it to C (score 75).
Know exactly what you're buying at Flat 1
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 1
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
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£163,000
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 2 sales in NP25 3EF: £220,000 (2024–2017).
Nearby sales in NP25 3EF
Everything we know about Flat 1, 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 Monnow Street homes
EPC Rating for Flat 1 runs comfortably ahead of the street norm.
EPC Rating
62 (D)
Street avg 58 (D)
Floor Area
48 m²
Street avg 75 m²
CO₂ Emissions
2.8 t/year
Street avg 4.3 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
4 Granville Street Flats, Granville Street
NP25 3DS
1 Granville Street Flats, Granville Street
NP25 3DS
9 Granville Street Flats, Granville Street
NP25 3DS
80 82, Flat, Monnow Street
NP25 3EQ
10 Granville Street Flats, Granville Street
NP25 3DS
3 Granville Street Flats, Granville Street
NP25 3DS
7 Granville Street Flats, Granville Street
NP25 3DS
14a, Flat 1, Church Street
NP25 3BU
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.