21 Sea Road, Carlyon Bay, St Austell, PL25 3SF
About 21 Sea Road
21 Sea Road is a three-bedroom detached house in Carlyon Bay, St. Austell, St Austell (PL25 3SF). It has a recorded floor area of 156 m² (around 1679 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (January 2019) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Average to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 77). Other recorded features include a conservatory.
Sold July 2019 for £470,000. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 2 approved, 0 refused. Across 2005–2019, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £573,000 is 21.9% above the 2019 sale price.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- EnsuiteYes
- StudyYes
- ConservatoryYes
Outside
- Private gardenRear
- GarageYes
Building
- Central heatingYes
Energy performance
21 Sea Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
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Planning history
- Feb 2021AmendmentIn report
Non material amendment in relation to Decision Notice PA20/04778 dated 21.08.2020
- Agent
- Kwalita Design Solutions
- Documents
- 9 docs on file
- Reference
- PA20/11526
- Oct 2020ConditionsIn report
Submission of details to discharge Conditions 3 and 4 in respect of Decision Notice no. PA20/04778 dated 21.08.2020
- Agent
- Kwalita Design Solutions
- Documents
- 4 docs on file
- Reference
- PA20/07660
What's in 21 Sea Road, Carlyon Bay, St Austell, PL25 3SF's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
21 Sea Road valuation sits well clear of the typical sold price in this postcode.
£573,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 14 years.
£470,000
Growth on file: 3.7% per year over 14 years.
Sales timeline
18 July 2019Most recent
£470,000
+40.3%over 7 years17 February 2012
£335,000
-6.9%over 4 years26 July 2007
£360,000
+28.6%over 2 years19 April 2005
£280,000
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
On price per m², 21 Sea Road runs well behind the street norm.
Price per m²
£3,013
Street avg £4,398
Floor Area
156 m²
Street avg 172 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.0 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







