9 Maddox Close, Osbaston, Monmouth, NP25 3BG
About 9 Maddox Close
9 Maddox Close is a four-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3BG). It has a recorded floor area of 109 m² (around 1175 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (March 2012) shows a D (score 66), on the cusp of jumping into the C band. The latest certificate is from March 2012, so improvements made since then won't be reflected. Other recorded features include a conservatory.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. 12 years since the last transfer (September 2014). Across 1997–2014, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £397,000 is 39.3% above the 2014 sale price.
Know exactly what you're buying at 9 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
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenFront and rear
Energy performance
9 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This certificate is over 10 years old and is no longer valid.Expired 16 Mar 2022
EPC Rating
Planning history
9 Maddox Close has an approved single-storey extension on the planning record.
- Oct 2012ConditionsIn report
Renewal of planning permission for a first floor extension DC/2007/0001216)
- Documents
- 6 docs on file
- Reference
- DC/2012/00801
- Nov 2007ExtensionFullIn report
Extension: Single storey
First floor extension. Renewal of previous planning permission no. M/7817.
- Documents
- 12 docs on file
- Reference
- DC/2007/01216
We flagged 1 thing worth checking at 9 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 grown by over 3x since 1997.
£397,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 17 years.
£285,000
Growth on file: 7.4% per year over 17 years.
Sales timeline
1 September 2014Most recent
£285,000
+50.0%over 10 years11 September 2003
£190,000
+128.9%over 6 years1 May 1997
£83,000
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 9 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
Habitable Rooms for 9 Maddox Close runs comfortably ahead of the street norm.
Price per m²
£2,610
Street avg £3,178
Floor Area
109 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 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.