Tregate Castle Barn, Llanrothal, Monmouth, NP25 5QL
About Tregate Castle Barn
Tregate Castle Barn is a detached house in Llanrothal, Monmouth, Monmouth (NP25 5QL). It has a recorded floor area of 435 m² (around 4682 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (August 2014) shows a C (score 77), near the top of the C band. The recommended improvements would push it to B (score 81). Main heating runs on oil. The latest certificate is from August 2014, so improvements made since then won't be reflected.
Untraded for 17 years, with the last transfer in February 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2002–2009, sale prices on this property compounded at 19.4% per year. Today's modelled estimate of £969,000 sits 61.5% above the 2009 sale of £600,000. 3 planning records sit against the property, 3 approved, 0 refused.
Know exactly what you're buying at Tregate Castle 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
Energy performance
Tregate Castle Barn's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Aug 2024
EPC Rating
Planning history
- Mar 2013RenovationHeritageIn report
Rebuilding external wall and reducing height of adjacent section of wall.
- Documents
- 19 docs on file
- Reference
- S130023/L
- Oct 2011FullIn report
Installation of 16 PV panels to garage roof.
- Documents
- 14 docs on file
- Reference
- S112259/FH
We flagged 1 thing worth checking at Tregate Castle 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
Tregate Castle Barn has more than tripled in price since its earliest registered sale in 2002.
£969,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.4% per year over 7 years.
£600,000
Growth on file: 19.4% per year over 7 years.
Sales timeline
12 February 2009Most recent
£600,000
-5.5%over 9 months1 May 2008
£635,000
+245.1%over 5 years16 June 2002
£184,000
Median price across the last 2 sales in NP25 5QL: £488,000 (2018–2000).
Everything we know about Tregate Castle 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

Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
1.6 km
Church — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
42.9dB

Night-time· 23:00 – 07:00
35.7dB