Gaol Barn, Leasbrook Lane, Dixton, Monmouth, NP25 3SN
About Gaol Barn
Gaol Barn is a four-bedroom detached house in Dixton, Monmouth, Monmouth (NP25 3SN). It has a recorded floor area of 223 m² (around 2400 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (April 2024) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in February 2018 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Very Good to Average. The recommended improvements would lift it to C (score 69), a 2-band jump. Main heating runs on oil.
At 223 m² the property is well over the postcode median (145 m² across 6 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £919,000 is 29.4% above the 2018 sale price. Last sale on file: £710,000 in August 2018.
Know exactly what you're buying at Gaol Barn
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
- Bathrooms2
Energy performance
Gaol Barn's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
Gaol Barn has an approved single-storey side extension on the planning record.
- Oct 2022ExtensionFullIn report
Extension: Single storey · Side of property
Proposed single storey extension to west elevation providing new garage, carport and boot room facilities.
- Documents
- 19 docs on file
- Reference
- DM/2022/01134
We flagged 1 thing worth checking at Gaol Barn
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
Gaol Barn valuation sits well clear of the typical sold price in this postcode.
£919,000
Modelled from EPC, postcode comparables.
£710,000
Recorded with HM Land Registry.
Sales timeline
20 August 2018Most recent
£710,000
Median price across the last 5 sales in NP25 3SN: £543,000 (2022–1998).
Nearby sales in NP25 3SN
Yew Croft, Leasbrook Lane, Dixton, Monmouth, NP25 3SN
Sold Aug 2022
£715,000Ty Ceffyl, Leasbrook Lane, Dixton, Monmouth, NP25 3SN
Sold Jul 2021
£750,000Little Leasbrook, Leasbrook Lane, Dixton, Monmouth, NP25 3SN
Sold Jan 2021
£543,000Summerleas, Leasbrook Lane, Dixton, Monmouth, NP25 3SN
Sold Jun 1998
£245,000
Everything we know about Gaol Barn, 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 Leasbrook Lane homes
Floor Area for Gaol Barn runs comfortably ahead of the street norm.
Price per m²
£3,184
Street avg £3,854
Floor Area
223 m²
Street avg 139 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
12.0 t/year
Street avg 6.6 t/year
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The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Priory End — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.