3 Duchess Close, Osbaston, Monmouth, NP25 3JL
About 3 Duchess Close
3 Duchess Close is a three-bedroom detached house in Osbaston, Monmouth, Monmouth (NP25 3JL). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (April 2017) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in July 2017, so it's been off the market for around 9 years. Today's modelled estimate of £412,000 is 49.8% above the 2017 sale price.
Know exactly what you're buying at 3 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Council records include a two-storey extension at 3 Duchess Close.
- Jan 2018RenovationAmendmentIn report
Non material amendment to previous application DC/2017/01159 - alterations to door and window positions to front and rear elevations and to ground floor layout.
- Documents
- 5 docs on file
- Reference
- DC/2017/01414
- Oct 2017ExtensionFullIn report
Extension: Two storey
Two storey extension and alterations to external finishes and fenestration.
- Documents
- 10 docs on file
- Reference
- DC/2017/01159
We flagged 1 thing worth checking at 3 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
3 Duchess Close valuation sits well clear of the typical sold price in this postcode.
£412,000
Modelled from EPC, postcode comparables.
£275,000
Recorded with HM Land Registry.
Sales timeline
27 July 2017Most recent
£275,000
Median price across the last 5 sales in NP25 3JL: £305,000 (2025–2021).
Nearby sales in NP25 3JL
2 Duchess Close, Osbaston, Monmouth, NP25 3JL
Sold Mar 2025
£160,0008 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
£405,000
Everything we know about 3 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
Years Held for 3 Duchess Close runs comfortably ahead of the street norm.
Price per m²
£2,806
Street avg £3,494
Floor Area
98 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 3.5 t/year
Similar properties nearby
1 Duchess Close, Osbaston
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1 Charles Close, Osbaston
NP25 3JD
1 Dixton Close
NP25 3PG
1 Almshouse Street
NP25 3DE
1 Chippenhamgate Street
NP25 3DH
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.