Southernhay, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
About Southernhay
Southernhay is a detached house in Carnon Downs, Truro, Truro (TR3 6LF). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2014) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2011. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Good; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from March 2014, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in September 2011, so it's been off the market for around 15 years. Today's modelled estimate of £518,000 is 43.9% above the 2011 sale price.
Energy performance
Southernhay'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This certificate is over 10 years old and is no longer valid.Expired 20 Mar 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- Oct 2011ExtensionFullIn report
Proposed garage together with extension of existing garage and utility
- Documents
- 16 docs on file
- Reference
- PA11/07181
We flagged 1 thing worth checking at Southernhay
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
Southernhay valuation sits well clear of the typical sold price in this postcode.
£518,000
Modelled from EPC, postcode comparables.
£360,000
Recorded with HM Land Registry.
Sales timeline
25 September 2011Most recent
£360,000
Median price across the last 5 sales in TR3 6LF: £590,000 (2024–2021).
Nearby sales in TR3 6LF
Woodend, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold Jul 2024
£590,000Springwood, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold May 2023
£575,000Gwel An Koos, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold Aug 2021
£875,000Gwel An Nans, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold Jun 2021
£825,000Trefriw, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold Mar 2021
£440,000
Versus other Old Carnon Hill homes
EPC Rating for Southernhay lags the street by a wide margin.
Price per m²
£2,553
Street avg £3,353
Floor Area
141 m²
Street avg 146 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.2 t/year
Street avg 5.3 t/year
Similar properties 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
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Wellington Place — bus stop.
Closest school
0.6 km
Devoran School. 2 schools 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
49.3dB

Night-time· 23:00 – 07:00
40.4dB







