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Get started17 Belhay is a three-bedroom detached house in Penryn (TR10 8DF). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (November 2019) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 84), a 2-band jump. Other recorded features include a balcony and notable views. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 6.1% per year against 0% for the wider region. Today's modelled estimate of £363,000 is 27.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 35.7% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 84 m² it's 16.8% smaller than the typical home in the postcode (101 m² median across 5 EPCs). Last sale on file: £285,000 in July 2020.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Side of property
Proposed alterations and two storey side extension to replace existing garage including dormer windows and terraced area
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£363,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 6 years.
£285,000
Growth on file: 6.1% per year over 6 years.
17 Belhay outperforms the street on co₂ emissions by a wide margin.
Price per m²
£3,393
Street avg £3,559
Floor Area
84 m²
Street avg 107 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Truro Hill — bus stop.

Daytime· 07:00 – 23:00
49.0dB

Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Two storey
Demolish existing garage extension & erect new two storey extension. Alterations to existing vehicle access sites: 010022,
17 July 2020Most recent
£285,000
+42.5%over 6 years10 July 2014
£200,000
Median price across the last 5 sales in TR10 8DF: £350,000 (2022–2008).
CO₂ Emissions
3.9 t/year
Street avg 4.9 t/year
TR10 8RJ
Closest school
0.7 km
Penryn Primary Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
38.9dB
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