20 Rosevalley, Threemilestone, Truro, TR3 6BH
About 20 Rosevalley
20 Rosevalley is a three-bedroom detached house in Threemilestone, Truro, Truro (TR3 6BH). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (September 2025) returns an A (score 93), the top energy band on the EPC scale. When first surveyed in June 2012 the rating was C, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good. The home occupies a cul-de-sac position.
At 78 m² it's 16.2% smaller than the typical home in the postcode (93 m² median across 19 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2022, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£473/sq ft) was about 106.7% above the typical sold price in the postcode. Last sale on file: £397,000 in March 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenSouth-facing
- GarageYes
- Cul-de-sacYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
20 Rosevalley ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Solar PV panels (42 kWp) installed
Planning history
20 Rosevalley has an approved front extension on the planning record.
- Dec 2022ExtensionFullIn report
Extension: Front of property
Construction of front extension featuring double pitched roof and flat roof, with associated internal remodelling
- Agent
- A And K Architectural Services
- Documents
- 8 docs on file
- Reference
- PA22/09177
We flagged 2 things worth checking at 20 Rosevalley
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
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
20 Rosevalley has more than quadrupled in price since its earliest registered sale in 1995.
£419,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 27 years.
£397,000
Growth on file: 7.0% per year over 27 years.
Sales timeline
3 March 2022Most recent
£397,000
+47.0%29 September 2021
£270,000
+318.6%over 26 years23 May 1995
£64,500
Median price across the last 5 sales in TR3 6BH: £302,850 (2023–2021).
Nearby sales in TR3 6BH
17 Rosevalley, Threemilestone, Truro, TR3 6BH
Sold Apr 2023
£425,0006 Rosevalley, Threemilestone, Truro, TR3 6BH
Sold Mar 2023
£268,0007 Rosevalley, Threemilestone, Truro, TR3 6BH
Sold Sept 2021
£330,00011 Rosevalley, Threemilestone, Truro, TR3 6BH
Sold Jun 2021
£302,8508 Rosevalley, Threemilestone, Truro, TR3 6BH
Sold Apr 2021
£279,500
Versus other Rosevalley homes
On price per m², 20 Rosevalley stands well clear of the street.
Price per m²
£5,090
Street avg £2,623
Floor Area
78 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
1.7 t/year
Street avg 4.7 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
0.2 km
School — bus stop.
Closest school
0.2 km
Threemilestone School. 4 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
45.9dB

Night-time· 23:00 – 07:00
37.7dB







