Our Data Sources
Trethullan House, St. Austell has no records in the Land Registry and a single entry in the EPC database dated July 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Trethullan House, St. Austell would be worth £980,449, with a potential rental value of £2,283 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £868,398, with a rental value of £2,022 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Trethullan House, St. Austell occupies a 12,009 m2 plot as recorded by HM Land Registry.
Of the 6 other houses in this postcode, 4 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
Trethullan House, St. Austell has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 17 Jul 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (lpg).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 2 sales of comparable properties within 2.6 kilometres of Trethullan House, St. Austell since 2016.
Most recently, Rosehill House, Bosinver Lane, St. Austell, PL26 7BA, a freehold house, sold at £715,000 on the 8th December 2017.
Read more about house prices in PL26.
- Sold Dec 2017£715,000 | 5 Bed HouseRosehill House, Bosinver Lane, St. Austell, PL26 7BARosehill House, Bosinver Lane, St. Austell, PL26 7BA
- Sold Aug 2016£620,000 | 5 Bed HouseColiza Crest, St. Austell, PL26 7DXColiza Crest, St. Austell, PL26 7DX
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £545,810, ranging from £315,968 to £763,104.
- Tre-End
4 Bed House | 540 m | Est. Value: £492,588
- Trewithen Farm
4 Bed House | 712 m | Est. Value: £667,052
- Langerth Farm
5 Bed House | 721 m | Est. Value: £488,528
- 1 Langerth Farm Cottages St. Austell
3 Bed House | 724 m | Est. Value: £315,968
- Gwel An Gorwel
5 Bed House | 940 m | Est. Value: £763,104
Location Comparison
Our analysis of the public data ranks Trethullan House, St. Austell as the largest and the most expensive of the 30 addresses on Sticker, St. Austell, PL26.
Against the PL26 postcode district average, it is £647k more expensive than the typical property.
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Schools Nearby
- St Mewan Community Primary School2.5 km away
- Foxhole Learning Academy3.4 km away
- Pondhu Primary School3.5 km away
- Brannel School3.2 km away
- Poltair School4.7 km away
- Penrice Academy5.7 km away
More reading links
Public Transport Nearby
- St Austell|4.3 km away
- Bugle|8.8 km away
- Luxulyan|9.8 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












