21 Maddox Close, Osbaston, Monmouth, NP25 3BG
About 21 Maddox Close
21 Maddox Close is a four-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (May 2012) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 82). The latest certificate is from May 2012, so improvements made since then won't be reflected.
Across 1999–2015, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £423,000 sits 59% above the 2015 sale of £266,000. Last changed hands 10 years ago, in December 2015.
Know exactly what you're buying at 21 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
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
21 Maddox Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 May 2022
EPC Rating
Planning history
21 Maddox Close has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 21 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
Sale price has at least doubled since 1999.
£423,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 16 years.
£266,000
Growth on file: 5.9% per year over 16 years.
Sales timeline
17 December 2015Most recent
£266,000
+20.9%over 11 years29 June 2004
£220,000
+107.5%over 4 years25 November 1999
£106,000
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 21 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
21 Maddox Close is notably below the street on price per m².
Price per m²
£2,440
Street avg £3,188
Floor Area
109 m²
Street avg 112 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Church Farm, Wyesham
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1 Charles Close, Osbaston
NP25 3JD
1 Dixton Close
NP25 3PG
1 Chippenhamgate Street
NP25 3DH
1 Auden Close, Osbaston
NP25 3NW
1 Duchess Close, Osbaston
NP25 3JL
1 Greenlands Close, Wyesham
NP25 3LP
1 Berryfield Park, Osbaston
NP25 3DQ
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.