Porthvale House, Beacon Drive, St Agnes, TR5 0NT
About Porthvale House
Porthvale House is a detached house in St Agnes (TR5 0NT). It has a recorded floor area of 174 m² (around 1873 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (August 2025) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in April 2009 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Good to Very Good and lighting went from Very Poor to Good. Main heating runs on lpg.
At 174 m² the property is well over the postcode median (70 m² across 13 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). One planning record on file: new windows approved in 2011. Past consents include new windows, meaningful when judging how the property has evolved.
Everything you need to know about Porthvale House
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded to triple glazing
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar PV panels (40 kWp) installed
Planning history
- Jul 2011RenovationFullIn report
Replacement of existing uPVC windows and doors with triple glazed aluminium/timber windows. Re-clad existing walls with western red cedar boarding and render finishes. Replace existing balcony with new timber and glass balcony.
New Windows- Documents
- 7 docs on file
- Reference
- PA11/04598
We flagged 1 thing worth checking at Porthvale House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
Porthvale House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£945,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TR5 0NT: £825,000 (2025–2015).
Versus other Beacon Drive homes
Porthvale House outperforms the street on floor area by a wide margin.
EPC Rating
50 (E)
Street avg 64 (D)
Floor Area
174 m²
Street avg 87 m²
CO₂ Emissions
4.1 t/year
Street avg 3.1 t/year
Everything you need to know about Porthvale House
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
1.3 km
Penwinnick Parc — bus stop.
Closest school
1.3 km
St Agnes Academy. 2 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
42.4dB
Night-time· 23:00 – 07:00
35.6dB