6 Garthi Close, Mitchel Troy Common, Monmouth, NP25 4JN
About 6 Garthi Close
6 Garthi Close is a semi-detached house in Mitchel Troy Common, Monmouth, Monmouth (NP25 4JN). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2026) shows a C (score 77), near the top of the C band. When first surveyed in October 2010 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Good to Very Good, lighting went from Average to Good and main heating went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Know exactly what you're buying at 6 Garthi Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
6 Garthi Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water system changed
Roof insulation improved
Planning history
6 Garthi Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
6 Garthi Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£255,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 2 sales in NP25 4JN: £72,625 (2003–2001).
Nearby sales in NP25 4JN
Everything we know about 6 Garthi Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Garthi Close homes
On co₂ emissions, 6 Garthi Close stands well clear of the street.
EPC Rating
77 (C)
Street avg 73 (C)
Floor Area
57 m²
Street avg 64 m²
CO₂ Emissions
0.4 t/year
Street avg 3.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
1 Kinsey Rise, Trelleck
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1 Garthi Close, Mitchel Troy Common
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1 Charles Road, Dingestow
NP25 4BY
1 Council Villas, Redbrook
NP25 4LP
1 Highbury Terrace, Redbrook
NP25 4NA
1 Brewery Terrace, Upper Redbrook
NP25 4LQ
1 Mill Cottages, Upper Redbrook
NP25 4LL
1 Croesfaen, Penallt
NP25 4SF
The neighbourhood at a glance
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.8 km
Church Farm — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.