25 Maddox Close, Osbaston, Monmouth, NP25 3BG
About 25 Maddox Close
25 Maddox Close is a four-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (August 2022) shows a C (score 69), just inside the C band. When first surveyed in July 2013 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). Records show the property has been extended at some point in its history.
At 142 m² the property is well over the postcode median (109 m² across 21 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold April 2025 for £485,000. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Across 2013–2025, sale prices on this property compounded at 5.1% per year. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 36.6% above the typical sold price in the postcode.
Know exactly what you're buying at 25 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
- Bedrooms4
- Bathrooms2
- Dining roomYes
Outside
- GarageYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- Sept 2018ExtensionOutlineIn report
The construction of a small garden room extension to the existing property, proposed roof drainage and associated hard landscaping featuring external stepped access.
- Documents
- 6 docs on file
- Reference
- DM/2018/01192
We flagged 1 thing worth checking at 25 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
Latest sale on 25 Maddox Close was the highest on Land Registry record across the postcode.
£512,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 11 years.
£485,000
Growth on file: 5.1% per year over 11 years.
Sales timeline
3 April 2025Most recent
£485,000
+76.4%over 11 years10 October 2013
£275,000
Median price across the last 5 sales in NP25 3BG: £400,000 (2024–2022).
Nearby sales in NP25 3BG
23 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
£400,00015 Maddox Close, Osbaston, Monmouth, NP25 3BG
Sold Feb 2022
£370,000
Everything we know about 25 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 years held, 25 Maddox Close runs well behind the street norm.
Price per m²
£3,415
Street avg £3,130
Floor Area
142 m²
Street avg 111 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.2 t/year
Similar properties nearby
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1 Charles Close, Osbaston
NP25 3JD
1 Berryfield Park, Osbaston
NP25 3DQ
1 Duchess Close, Osbaston
NP25 3JL
1 Greenlands Close, Wyesham
NP25 3LP
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.