Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get startedBosvallon is a detached house in Mawnan Smith, Falmouth, Falmouth (TR11 5JD). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2015) returns a B (score 81), comfortably above the UK average. When first surveyed in March 2013 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Poor to Very Good. Main heating runs on oil. The latest certificate is from April 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 3.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£454/sq ft) was about 67.3% above the typical sold price in the postcode. At 133 m² it's 17.7% larger than the typical home in the postcode (113 m² median across 25 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. 3 planning records sit against the property, 1 approved, 0 refused. Most recent transfer: December 2021 at £650,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Bosvallon ranks among the most efficient homes in the postcode for energy use.
This certificate is over 10 years old and is no longer valid.Expired 27 Apr 2025
Submission of details to discharge conditions 3 and 5 attached to decision notice PA14/00949
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£703,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 5 years.
£650,000
Growth on file: 3.8% per year over 5 years.
On epc rating, Bosvallon stands well clear of the street.
Price per m²
£4,887
Street avg £3,381
Floor Area
133 m²
Street avg 131 m²
CO₂ Emissions
2.6 t/year
Street avg 5.7 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
43.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Cavity wall insulation installed
Roof insulation improved
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Demolition of existing bungalow and erection of 2no. new bungalows
1 more application for this property
Join to see all planning history.
6 December 2021Most recent
£650,000
+22.6%over 5 years13 June 2016
£530,000
Median price across the last 5 sales in TR11 5JD: £640,000 (2022–2019).
Avalon Carwinion Road Mawnan Smith Falmouth
Sold Mar 2022
Spinark Carwinion Road Mawnan Smith Falmouth
Sold Dec 2021
Trevean Carwinion Road Mawnan Smith Falmouth
Sold Jan 2021
2 Trenoweth Carwinion Road Mawnan Smith Falmouth
Sold Aug 2019
1 Trenoweth Carwinion Road Mawnan Smith Falmouth
Sold Aug 2019
Years Held
4 years
Street avg 12 years
TR11 5NL
Cricket Club — bus stop.
Closest school
0.2 km
Mawnan CofE VA Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
35.8dB
Find out what your property is worth with a free valuation from a top-rated local estate agent.
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell