Chyvounder, Water Lane, St Agnes, TR5 0QZ
About Chyvounder
Chyvounder is a detached house in St Agnes (TR5 0QZ). It has a recorded floor area of 219 m² (around 2357 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2024) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since June 2010. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Average; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to D (score 61). Main heating runs on oil.
At 219 m² the property is well over the postcode median (111 m² across 17 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £828,000 is 15% above the 2020 sale price. Last sale on file: £720,000 in February 2020.
Energy performance
Chyvounder's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Roof insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
- Apr 2009ExtensionFullIn report
Demolish existing garage and extend house to form single garage with 2 storey dependant relative accommodation over sites: 250208,
- Documents
- 9 docs on file
- Reference
- C1/PA25/0338/09/R
We flagged 1 thing worth checking at Chyvounder
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
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£828,000
Modelled from EPC, postcode comparables.
£720,000
Recorded with HM Land Registry.
Sales timeline
27 February 2020Most recent
£720,000
Median price across the last 5 sales in TR5 0QZ: £970,000 (2025–2020).
Nearby sales in TR5 0QZ
Peterville House, Water Lane, St Agnes, TR5 0QZ
Sold Feb 2025
£975,000Dale Cottage, Water Lane, St Agnes, TR5 0QZ
Sold Sept 2022
£970,000Fern Bank, Water Lane, St Agnes, TR5 0QZ
Sold Jan 2022
£1,075,000Fow Goth, Water Lane, St Agnes, TR5 0QZ
Sold Feb 2020
£475,000Nyanga, Water Lane, St Agnes, TR5 0QZ
Sold Mar 2019
£400,000
Versus other Water Lane homes
Chyvounder outperforms the street on habitable rooms by a wide margin.
Price per m²
£3,288
Street avg £4,129
Floor Area
219 m²
Street avg 130 m²
Habitable Rooms
10 rooms
Street avg 5 rooms
CO₂ Emissions
9.8 t/year
Street avg 5.1 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
0.1 km
Wheal Kitty — bus stop.
Closest school
0.8 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
46.0dB

Night-time· 23:00 – 07:00
38.2dB







