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Get started6 Duporth Bay is a three-bedroom detached house in Duporth, St. Austell, St Austell (PL26 6AG). It has a recorded floor area of 121 m² (around 1304 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (October 2009) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 66). Main heating runs on oil. The latest certificate is from October 2009, so improvements made since then won't be reflected. Other recorded features include notable views and a conservatory.
Sale prices here have outpaced England HPI: 3.7% per year against 0% for the wider region. Today's modelled estimate of £640,000 sits 50.6% above the 2012 sale of £425,000. On a £-per-square-foot basis, the last sale (£326/sq ft) was about 86.5% above the typical sold price in the postcode. At 121 m² it sits well below the postcode median (194 m² across 11 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2011. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. On the market in August 2012 and unlisted since — roughly 14 years.
6 Duporth Bay's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 23 Oct 2019
Extension: Single storey
Conversion of garage to utility room and 1st floor pitched roof extension over to provide studio with balcony.
6 Duporth Bay valuation sits well clear of the typical sold price in this postcode.
£640,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 4 years.
£425,000
Growth on file: 3.7% per year over 4 years.
On habitable rooms, 6 Duporth Bay runs well behind the street norm.
Price per m²
£3,509
Street avg £2,806
Floor Area
121 m²
Street avg 180 m²
Habitable Rooms
4 rooms
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
0.3 km

Daytime· 07:00 – 23:00
43.6dB

Changes detected from historical EPC data
Hot water system changed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 August 2012Most recent
£425,000
+14.9%over 3 years30 October 2008
£370,000
Median price across the last 5 sales in PL26 6AG: £572,000 (2024–2019).
Street avg 6 rooms
CO₂ Emissions
7.7 t/year
Street avg 8.6 t/year
PL26 6RY
Duporth Road — bus stop.
Closest school
1.0 km
Penrice Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
35.6dB
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