Trevellan House, Allet, Truro, TR4 9DN
About Trevellan House
Trevellan House is a detached house in Allet, Truro, Truro (TR4 9DN). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (March 2021) shows a G (score 12), near the bottom of the EPC scale. The recommended improvements would lift it to A (score 93), a 6-band jump. Main heating runs on electricity.
Today's modelled estimate of £422,000 is 47.3% below the 2021 sale of £800,000, an unusual pattern given regional price growth and worth checking against the EPC condition. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. Sold June 2021 for £800,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Trevellan House
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
Trevellan House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Trevellan House has been through 4 approved planning applications — a well-evolved property.
- Aug 2025OutlineIn report
Prior notification of agricultural or forestry development for proposed erection of a new agricultural building
- Agent
- A-Tec Design
- Documents
- 5 docs on file
- Reference
- PA25/05395
- Oct 2023Change of UseFullIn report
Proposed demolition of redundant hen house, construction of recreational building and swimming pool and change of use of land from agricultural to residential
- Agent
- A-Tec Design
- Documents
- 17 docs on file
- Reference
- PA23/05620
We flagged 1 thing worth checking at Trevellan House
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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£422,000
Modelled from EPC, postcode comparables.
£800,000
Recorded with HM Land Registry.
Sales timeline
24 June 2021Most recent
£800,000
Median price across the last 2 sales in TR4 9DN: £347,500 (2001–1998).
Nearby sales in TR4 9DN
Everything we know about Trevellan House, 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

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Five Acres — bus stop.
Closest school
1.5 km
Shortlanesend School. 1 school nearby.
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
45.3dB

Night-time· 23:00 – 07:00
38.0dB