Gwel An Koos, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
About Gwel An Koos
Gwel An Koos is a detached house in Carnon Downs, Truro, Truro (TR3 6LF). It has a recorded floor area of 202 m² (around 2174 sq ft) and construction records dating it to 2020. The latest certificate (September 2021) returns a high B (score 86), putting the home a stone's throw from an A rating.
At 202 m² the property is well over the postcode median (134 m² across 13 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2019–2021, sale prices on this property compounded at 76.2% per year. Today's modelled estimate of £1,030,000 is 17.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£402/sq ft) was about 69.7% above the typical sold price in the postcode. Last sale on file: £875,000 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Gwel An Koos ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
Gwel An Koos has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Gwel An Koos
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
Latest sale on Gwel An Koos was the highest on Land Registry record across the postcode.
£1,030,000
Modelled from EPC, postcode comparables and a sale-price growth of 76.2% per year over 2 years.
£875,000
Growth on file: 76.2% per year over 2 years.
Sales timeline
26 August 2021Most recent
£875,000
+224.1%over 2 years30 July 2019
£270,000
Median price across the last 5 sales in TR3 6LF: £575,000 (2024–2012).
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 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
£440,000Spring Leap, Old Carnon Hill, Carnon Downs, Truro, TR3 6LF
Sold Jul 2012
£295,000
Versus other Old Carnon Hill homes
EPC Rating for Gwel An Koos runs comfortably ahead of the street norm.
Price per m²
£4,332
Street avg £3,156
Floor Area
202 m²
Street avg 141 m²
CO₂ Emissions
2.5 t/year
Street avg 5.6 t/year
Years Held
5 years
Street avg 12 years
Similar properties nearby
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1 Carnon Mine, Devoran
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1 Cherry Orchard, Lower Hugus Road, Threemilestone
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1 Ash Tree Close, Carnon Downs
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1 Carnon Valley, Carnon Downs
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1 Carclew Terrace, Devoran
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1 Ashfield, Forth Coth, Carnon Downs
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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







