23 Maddox Close, Osbaston, Monmouth, NP25 3BG
About 23 Maddox Close
23 Maddox Close is a three-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (May 2024) shows a C (score 72). When first surveyed in March 2012 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). The home occupies a cul-de-sac position.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include new windows and subdivision, meaningful when judging how the property has evolved. Across 2014–2024, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£436/sq ft) was about 89.2% above the typical sold price in the postcode. At 90 m² it's 17.6% smaller than the typical home in the postcode (109 m² median across 21 EPCs). Most recent transfer: September 2024 at £422,000.
Know exactly what you're buying at 23 Maddox Close
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
- Dining roomYes
- FireplaceYes
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Dec 2014RenovationFullIn report
Install a fixed shut, obscure glazed window, in place of the window that was recently installed.
New Windows- Documents
- 7 docs on file
- Reference
- DC/2014/01233
- Feb 2014SubdivisionFullIn report
Division of dwelling to form 2 detached dwellings.
- Documents
- 10 docs on file
- Reference
- DC/2013/01094
We flagged 1 thing worth checking at 23 Maddox Close
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
23 Maddox Close valuation sits well clear of the typical sold price in this postcode.
£452,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 10 years.
£422,000
Growth on file: 5.3% per year over 10 years.
Sales timeline
5 September 2024Most recent
£422,000
+68.8%over 10 years30 July 2014
£250,000
Median price across the last 5 sales in NP25 3BG: £400,000 (2025–2022).
Nearby sales in NP25 3BG
25 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Apr 2025
£485,00017 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
£400,00015 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Feb 2022
£370,000
Everything we know about 23 Maddox Close, 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 co₂ emissions, 23 Maddox Close stands well clear of the street.
Price per m²
£4,689
Street avg £3,055
Floor Area
90 m²
Street avg 113 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Duchess Close, Osbaston
NP25 3JL
1 Greenlands Close, Wyesham
NP25 3LP
1 Chestnut Court, Wyesham
NP25 3TP
1 Dixton Close
NP25 3PG
1 Church Farm, Wyesham
NP25 3GZ
1 Charles Close, Osbaston
NP25 3JD
1 Chippenhamgate Street
NP25 3DH
1 Almshouse Street
NP25 3DE
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.