23a, Maddox Close, Osbaston, Monmouth, NP25 3BG
About 23a
23a is a three-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1983-1990. The latest certificate (June 2015) shows a C (score 72). The recommended improvements would push it to B (score 86). The latest certificate is from June 2015, so improvements made since then won't be reflected.
At 75 m² it sits well below the postcode median (109 m² across 21 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £330,000 is 40.4% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 25.9% above the typical sold price in the postcode. On the market in January 2016 and unlisted since — roughly 10 years.
Know exactly what you're buying at 23a
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
- Bedrooms3
- Bathrooms2
Outside
- Private gardenYes
- ParkingOff street
Building
- Central heatingYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 29 Jun 2025
EPC Rating
Planning history
23a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 23a
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
£330,000
Modelled from EPC, postcode comparables.
£235,000
Recorded with HM Land Registry.
Sales timeline
7 January 2016Most recent
£235,000
Median price across the last 5 sales in NP25 3BG: £422,000 (2025–2023).
Nearby sales in NP25 3BG
25 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Apr 2025
£485,00023 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Sept 2024
£422,00017 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Aug 2024
£462,5003 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Jun 2024
£370,00024 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Jan 2023
£400,000
Everything we know about 23a, 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 Maddox Close homes
On floor area, 23a runs well behind the street norm.
Price per m²
£3,133
Street avg £3,147
Floor Area
75 m²
Street avg 114 m²
CO₂ Emissions
2.5 t/year
Street avg 4.3 t/year
Years Held
10 years
Street avg 7 years
Similar properties nearby
1 Greenlands Close, Wyesham
NP25 3LP
1 Chestnut Court, Wyesham
NP25 3TP
1 Duchess Close, Osbaston
NP25 3JL
1 Beaufort Mews, Agincourt Square
NP25 3BQ
1 Almshouse Street
NP25 3DE
1 Fairview Close, Wyesham
NP25 3LQ
1 Claypatch Road, Wyesham
NP25 3PN
1 Charles Close, Osbaston
NP25 3JD
The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Duchess Close — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.