1 Duchess Road, Osbaston, Monmouth, NP25 3HT
About 1 Duchess Road
1 Duchess Road is a detached house in Osbaston, Monmouth, Monmouth (NP25 3HT). It has a recorded floor area of 247 m² (around 2659 sq ft), construction records dating it to 2012 onwards and council tax band G. The latest certificate (October 2021) returns a B (score 82), comfortably above the UK average. When first surveyed in February 2018 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Very Good, roof efficiency went from Average to Good and window efficiency went from Average to Good.
At 247 m² the property is well over the postcode median (131 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. Across 2018–2022, sale prices on this property compounded at 28.1% per year. On a £-per-square-foot basis, the last sale (£320/sq ft) was about 37.2% above the typical sold price in the postcode. Most recent transfer: February 2022 at £850,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 1 Duchess Road
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
1 Duchess Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Planning history
1 Duchess Road has 2 separate extension applications on the council record.
- May 2023ExtensionFullIn report
Extension: Single storey
Single storey extension to provide garden room.
- Documents
- 7 docs on file
- Reference
- DM/2023/00523
- May 2023AnnexFullIn report
Extension: Single storey
Demolition of existing garage and outhouse and replacement with single storey extension, to provide semi independent accommodation for family member.
Extension- Documents
- 6 docs on file
- Reference
- DM/2023/00522
We flagged 1 thing worth checking at 1 Duchess Road
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 1 Duchess Road was the highest on Land Registry record across the postcode.
£896,000
Modelled from EPC, postcode comparables and a sale-price growth of 28.1% per year over 4 years.
£850,000
Growth on file: 28.1% per year over 4 years.
Sales timeline
4 February 2022Most recent
£850,000
+146.4%over 3 years13 June 2018
£345,000
Median price across the last 5 sales in NP25 3HT: £370,000 (2025–2023).
Nearby sales in NP25 3HT
4 Duchess Road, Osbaston, Monmouth, NP25 3HT
Sold Jul 2025
£767,00045 Duchess Road, Osbaston, Monmouth, NP25 3HT
Sold Feb 2025
£360,00039 Duchess Road, Osbaston, Monmouth, NP25 3HT
Sold Jan 2025
£366,00031 Duchess Road, Osbaston, Monmouth, NP25 3HT
Sold May 2024
£405,00024 Duchess Road, Osbaston, Monmouth, NP25 3HT
Sold Oct 2023
£370,000
Everything we know about 1 Duchess Road, 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 Road homes
1 Duchess Road outperforms the street on epc rating by a wide margin.
Price per m²
£3,441
Street avg £2,881
Floor Area
247 m²
Street avg 137 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Clos Y Ficerdy, Wyesham
NP25 3HA
1 Auden Close, Osbaston
NP25 3NW
1 Berryfield Park, Osbaston
NP25 3DQ
1 Chippenhamgate Street
NP25 3DH
1 Dixton Close
NP25 3PG
1 Church Farm, Wyesham
NP25 3GZ
1 Chaucer Way, Osbaston
NP25 3NR
1 Charles Close, Osbaston
NP25 3JD
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.