11 Sea Road, Carlyon Bay, St Austell, PL25 3SF
About 11 Sea Road
11 Sea Road is a two-bedroom detached house in Carlyon Bay, St. Austell, St Austell (PL25 3SF). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (September 2015) shows an F (score 36), near the bottom of the EPC scale. Earlier certificates rated it E (February 2015); the latest reading is one band lower. Between certificates, main heating went from Very Poor to Average; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 79), a 3-band jump. Main heating runs on electricity. The latest certificate is from September 2015, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
At 55 m² it sits well below the postcode median (153 m² across 29 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £340,000 is 28.3% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£448/sq ft) was about 63% above the typical sold price in the postcode. Last changed hands 11 years ago, in August 2015.
What this property has
Inside
- Bedrooms2
Outside
- Private gardenYes
- GarageYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
11 Sea Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Sept 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
- Apr 2020ExtensionAmendmentIn report
Proposed extensions and improvements (amendment to plans condition on approved application PA16/07964)
- Agent
- Purl Design Architecture Ltd
- Documents
- 9 docs on file
- Reference
- PA20/00602
- Dec 2016ExtensionFullIn report
Proposed extension and improvements
- Agent
- Purl Design Architecture Ltd
- Documents
- 10 docs on file
- Reference
- PA16/07964
What's in 11 Sea Road, Carlyon Bay, St Austell, PL25 3SF's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
£340,000
Modelled from EPC, postcode comparables.
£265,000
Recorded with HM Land Registry.
Sales timeline
24 August 2015Most recent
£265,000
Median price across the last 5 sales in PL25 3SF: £620,000 (2025–2024).
Nearby sales in PL25 3SF
15 Sea Road, Carlyon Bay, St Austell, PL25 3SF
Sold Jul 2025
£645,00020 Sea Road, Carlyon Bay, St Austell, PL25 3SF
Sold Jan 2025
£805,0008 Sea Road, Carlyon Bay, St Austell, PL25 3SF
Sold Dec 2024
£620,0004 Sea Road, Carlyon Bay, St Austell, PL25 3SF
Sold Oct 2024
£505,00037 Sea Road, Carlyon Bay, St Austell, PL25 3SF
Sold Sept 2024
£560,000
Versus other Sea Road homes
11 Sea Road is notably below the street on epc rating.
Price per m²
£4,818
Street avg £4,323
Floor Area
55 m²
Street avg 176 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
6.2 t/year
Street avg 5.3 t/year
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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
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Glebe House — bus stop.
Closest school
0.3 km
Charlestown Primary School. 10 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
44.4dB

Night-time· 23:00 – 07:00
36.3dB







