Energy Performance Certificates · St Mawes, Cornwall
EPC St Mawes
An EPC for your St Mawes sale or let, from an Elmhurst-accredited Domestic Energy Assessor. Request a quote to get started.
Select Residential, then Domestic EPC, when you book.
EPC ratings in St Mawes
- Local median score
- 59 Band D
- Band C or above
- 33% of homes with an EPC
- Truro and Falmouth (constituency)
- 67 Band D
- England
- 69 Band C
St Mawes' median EPC score is 59 (band D), going by ONS figures for Cornwall 048, where 33% of homes with a certificate are C or above.
That puts it 8 points below the median for the Truro and Falmouth constituency (67) and 10 points below England (69). The gap between new builds (84) and older stock (55) is 29 points.
Source window: EPCs lodged April 2015 to March 2025, latest per home.
What shapes EPC scores in St Mawes
How old St Mawes' homes are
VOA records show 36% of St Mawes homes were built before 1919, while 14% are from 2000 onwards. In the Truro and Falmouth constituency the oldest homes (pre-1929) score a median 55; the newest (2012 on) score 83.
Heating: largely off mains gas
10% of the 324 households counted in St Mawes in 2021 used only mains gas for heating. Other single fuels: oil 31%, electricity 29%, renewables such as heat pumps 6%. 16% combined more than one, and 5% had no central heating. For off-gas St Mawes homes, a heat pump or better insulation is usually the route up a band.
St Mawes' housing mix
St Mawes is 40% detached, 21% semi-detached, 21% flats, 18% terraced by Census 2021 count. Flats tend to score best (England median 74) because they share walls; detached homes sit at 68.
Heritage protection
There are 36 listed buildings in the St Mawes area. St Mawes also falls within the conservation area St Mawes. That can limit upgrades such as external insulation or new windows.
Geology and walls
BGS maps mudstone, siltstone and sandstone beneath St Mawes. Where that stone went into the walls of older cottages, expect solid walls on the certificate.
St Mawes landlords
In St Mawes, private renters are 14% of households (46 in 2021), alongside 62% owners and 22% social tenants. It goes up to C by 1 October 2030 (government response, January 2026). In the Truro and Falmouth constituency, 47% of homes with an EPC are C or above.
Common questions about EPCs in St Mawes
When do I need an EPC to sell in St Mawes?
Before you put it on the market. Request a quote online through Survey Booker, or call us.
What is the minimum EPC for a St Mawes let?
E, unless exempt, until the move to C by 1 October 2030. In 2021, 46 St Mawes households were private tenants.
How long does an EPC last?
Ten years. Check a St Mawes address free on the government's Find an energy certificate service.
What EPC band are most St Mawes homes?
Around band D: the ONS median for Cornwall 048 is 59.
Are listed buildings in St Mawes exempt from EPCs?
Not automatically. A listed home is exempt only where the work needed would unacceptably change its character; the council's conservation officer can advise.
Buying in St Mawes?
An EPC rates energy efficiency, not condition. See surveyors in St Mawes.
EPCs near St Mawes
- EPC Flushing 4 km · median 57 (D)
- EPC Falmouth 4.2 km · median 65 (D)
- EPC Mylor Bridge 5.3 km · median 57 (D)
- EPC Penryn 6.3 km · median 69 (C)
- EPC Penpol 6.7 km · median 61 (D)
- EPC Carnon Downs 8.7 km · median 61 (D)
All Truro and Falmouth constituency EPC pages · All Cornwall EPC pages