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Get started2 Treworval Cottages is a three-bedroom semi-detached house in Mawnan Smith, Falmouth, Falmouth (TR11 5JW). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (October 2023) shows an F (score 24), near the bottom of the EPC scale. When first surveyed in November 2010 the rating was G, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 61), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced England HPI: 4.1% per year against 0% for the wider region. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an annexe, meaningful when judging how the property has evolved. Last sale on file: £515,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
2 Treworval Cottages's carbon output runs well above what efficient homes in the postcode produce.
A an annexe application was refused at 2 Treworval Cottages in 2025.
'Upgrade of an existing sail workshop and accommodation to a workshop and an annexe, including holiday letting use' without compliance with Conditions 1 and 2 of decision notice PA21/09908 dated 11/01/2022.
2 Treworval Cottages has more than doubled in price since the earliest registered sale in 2005.
£521,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 17 years.
£515,000
Growth on file: 4.1% per year over 17 years.
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
0.8 km

Daytime· 07:00 – 23:00
41.7dB

Changes detected from historical EPC data
Switched from solid fuel to cleaner energy source
Heating controls upgraded for better temperature management
Hot water system changed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Upgrade of an existing sail workshop and accommodation to a workshop and an annexe, including holiday letting use.
14 October 2022Most recent
£515,000
+51.5%over 2 years6 December 2019
£340,000
+32.0%over 14 years4 July 2005
£257,500
Median price across the last 3 sales in TR11 5JW: £430,000 (2019–2010).
TR11 5HA
Bosvathick Lodge — bus stop.
Closest school
2.2 km
Mawnan CofE VA Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
35.4dB
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