2 Duchess Close, Osbaston, Monmouth, NP25 3JL
About 2 Duchess Close
2 Duchess Close is a detached house in Osbaston, Monmouth, Monmouth (NP25 3JL). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (May 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2014. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 1999–2025, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £328,000 sits 105% above the 2025 sale of £160,000. It changed hands recently, sold March 2025 for £160,000. At 61 m² it sits well below the postcode median (98 m² across 5 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2026. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 2 Duchess 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
2 Duchess Close has an approved rear extension on the planning record.
- Jan 2026ExtensionFullIn report
Extension: Rear of property
Singe storey extension to the rear of the property to encompass the existing garage including groundworks to rear garden and retaining wall
- Documents
- 19 docs on file
- Reference
- DM/2025/01546
We flagged 1 thing worth checking at 2 Duchess 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 2 Duchess Close was the lowest on Land Registry record across the postcode.
£328,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 25 years.
£160,000
Growth on file: 2.9% per year over 25 years.
Sales timeline
4 March 2025Most recent
£160,000
-41.3%8 November 2024
£272,500
+247.1%over 25 years1 November 1999
£78,500
Median price across the last 5 sales in NP25 3JL: £315,000 (2022–2017).
Nearby sales in NP25 3JL
8 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Dec 2022
£305,0007 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Mar 2022
£495,0001 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Jun 2021
£315,0004 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Oct 2020
£405,0003 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Jul 2017
£275,000
Everything we know about 2 Duchess 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 Duchess Close homes
2 Duchess Close is notably below the street on price per m².
Price per m²
£2,623
Street avg £3,530
Floor Area
61 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.9 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 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.