Flat, 13 Agincourt Street, Monmouth, NP25 3DZ
About Flat
Flat is an end-of-terrace house in Monmouth (NP25 3DZ). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 1900-1929. At 38 m² this is the smallest unit on EPC record across the building (38–137 m²). The building's EPC ratings span F to C across 7 units on file. The latest certificate (July 2019) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 79).
At 38 m² it's 28.3% smaller than the typical home in the postcode (53 m² median across 6 EPCs).
Know exactly what you're buying at Flat
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
Heating controls changed
Wall insulation improved
More low energy lighting installed
Planning history
Flat has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Flat
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 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£146,000
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 3DZ: £180,000 (2023–1995).
Everything we know about Flat, 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 Agincourt Street homes
On floor area, Flat runs well behind the street norm.
EPC Rating
68 (D)
Street avg 56 (D)
Floor Area
38 m²
Street avg 53 m²
CO₂ Emissions
1.9 t/year
Street avg 5.0 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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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.