TIDMANS
A Cornish granite cottage exterior under clear daylight, suitable for an energy assessment

Energy Performance Certificates · Marazion, Cornwall

EPC Marazion

Selling or letting in Marazion? Get a quote for a domestic EPC from an Elmhurst-accredited Domestic Energy Assessor.

When booking, pick Residential, then Domestic EPC.

EPC ratings in Marazion

Local median score
62 Band D
Band C or above
38% of homes with an EPC
St Ives (constituency)
62 Band D
England
69 Band C

A typical Marazion home with an EPC scores 62, in band D; 38% manage C or above. That is the ONS median for Cornwall 061.

For comparison, the St Ives constituency sits at 62 and England at 69, so Marazion is level with its wider area. Existing homes have a median of 57; new builds reach 83.

Figures use the latest EPC for each home lodged from April 2015 to March 2025, so homes without one are not counted.

Marazion's homes, by the numbers

How old Marazion's homes are

VOA records show 36% of Marazion homes were built before 1919, while 17% are from 2000 onwards. In the St Ives constituency the oldest homes (pre-1929) score a median 49; the newest (2012 on) score 83.

Off-gas heating

Census 2021: mains gas was the sole heating for 7% of 662 households in Marazion. Other single fuels: electricity 28%, oil 27%, renewables such as heat pumps 10%, bottled or tank gas (LPG) 5%. 15% combined more than one, and 4% had no central heating. Running-cost modelling penalises oil and LPG compared with mains gas.

Marazion's housing mix

Census 2021 counts Marazion's homes as 38% semi-detached, 27% terraced, 23% detached, 12% flats. Nationally, semi-detached homes have a median EPC score of 67 (ONS).

Listed buildings and conservation areas

70 listed buildings stand in and around Marazion (Historic England). Conservation area: Marazion. Energy upgrades on protected homes often need planning or listed building consent.

Local stone and walls

The bedrock under Marazion is mostly mudstone, siltstone and sandstone (BGS). Solid masonry walls rate poorly on an EPC without proof of insulation.

Letting a home in Marazion

20% of Marazion households (131) rented privately in 2021, 51% owned their home and 27% rented socially. 35% of certificated homes in the St Ives constituency already meet the band C target set for 1 October 2030.

Read more about minimum EPC rules for landlords.

Marazion EPC FAQs

Do I need an EPC to sell a house in Marazion?

Yes, before the home is marketed. Request a quote online through Survey Booker, or call us.

What EPC rating does a Marazion rental need?

At least band E now (or a registered exemption) and C from 1 October 2030. That affects about 131 Marazion households.

When does an EPC expire?

After ten years. You can look up an existing Marazion certificate free on GOV.UK.

Is Marazion better or worse than average for EPCs?

7 points below the England median: 62 against 69.

Do listed homes in Marazion need an EPC?

Usually yes. The exemption applies only if compliance would unacceptably alter the building's character or appearance, which the conservation officer can judge. 70 buildings around Marazion are listed.

Buying in Marazion?

An EPC rates energy efficiency, not condition. See surveyors in Marazion.

Also around Marazion

All St Ives constituency EPC pages · All Cornwall EPC pages

Sources

ONS median EPC score, Mar 2025 · ONS EPC band C+, Mar 2025 · Census 2021 (Nomis) · VOA CTSOP 2025 · Historic England · planning.data.gov.uk · BGS 625k · GOV.UK MEES guidance · GOV.UK response, Jan 2026