1 Maddox Close, Osbaston, Monmouth, NP25 3BG
About 1 Maddox Close
1 Maddox Close is a three-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (September 2010) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, lighting dropped from Very Good to Average. The latest certificate is from September 2010, so improvements made since then won't be reflected.
Held since October 2010 — that's 16 years off the open market, well above the local norm. Across 1997–2010, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £412,000 sits 55.5% above the 2010 sale of £265,000. One historical planning record sits against the property in 2011.
Know exactly what you're buying at 1 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
Energy performance
1 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This certificate is over 10 years old and is no longer valid.Expired 08 Sept 2020
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Planning history
1 Maddox Close has an approved extension on the planning record.
- May 2011ExtensionOutlineIn report
Extension
- Documents
- 11 docs on file
- Reference
- DC/2011/00353
We flagged 1 thing worth checking at 1 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 1997.
£412,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 13 years.
£265,000
Growth on file: 7.4% per year over 13 years.
Sales timeline
28 October 2010Most recent
£265,000
+159.8%over 13 years22 June 1997
£102,000
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 1 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
Years Held for 1 Maddox Close runs comfortably ahead of the street norm.
Price per m²
£2,676
Street avg £3,174
Floor Area
99 m²
Street avg 113 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.2 t/year
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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.