Amethyst Cottage, St Agnes, TR5 0NP
About Amethyst Cottage
Amethyst Cottage is a detached house in St Agnes (TR5 0NP). It has a recorded floor area of 112 m² (around 1206 sq ft) and construction records dating it to before 1900. The latest certificate (November 2022) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2020); the latest reading is one band lower. The recommended improvements would lift it to A (score 95), a 4-band jump. Main heating runs on oil.
At 112 m² it sits well below the postcode median (226 m² across 3 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2008–2020, sale prices on this property compounded at 1.7% per year. Today's modelled estimate of £736,000 is 27.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£479/sq ft) was about 31.1% above the typical sold price in the postcode. Sold August 2020 for £577,500.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Amethyst Cottage has 2 separate extension applications on the council record.
- Nov 2021ExtensionFullIn report
Householder application for proposed extension and reconfiguration of existing dwelling
- Agent
- Sanders Architects
- Documents
- 16 docs on file
- Reference
- PA21/09741
- Nov 2013ExtensionFullIn report
Extension: Single storey
Extension of lobby to form garden room including rooflights
- Agent
- D3 Architects
- Documents
- 11 docs on file
- Reference
- PA13/09250
We flagged 1 thing worth checking at Amethyst Cottage
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£736,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.7% per year over 12 years.
£577,500
Growth on file: 1.7% per year over 12 years.
Sales timeline
10 August 2020Most recent
£577,500
+22.4%over 11 years12 November 2008
£472,000
Median price across the last 4 sales in TR5 0NP: £605,000 (2024–1998).
Versus the street
Amethyst Cottage is notably below the street on floor area.
Price per m²
£5,156
Street avg £4,587
Floor Area
112 m²
Street avg 190 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.7 t/year
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
1.2 km
Presingoll Barns — bus stop.
Closest school
1.4 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
42.8dB

Night-time· 23:00 – 07:00
35.7dB







