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

Energy Performance Certificates · St Dennis, Cornwall

EPC St Dennis

An EPC for your St Dennis sale or let, from an Elmhurst-accredited Domestic Energy Assessor. Request a quote to get started.

On the booking page, choose Residential, then Domestic EPC.

EPC ratings in St Dennis

Local median score
60 Band D
Band C or above
32% of homes with an EPC
St Austell and Newquay (constituency)
69 Band C
England
69 Band C

St Dennis' median EPC score is 60 (band D), going by ONS figures for Cornwall 024, where 32% of homes with a certificate are C or above.

For comparison, the St Austell and Newquay constituency sits at 69 and England at 69, so St Dennis is 9 points below its wider area. New-build homes here score a median 79, against 57 for existing homes.

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

Why St Dennis homes score as they do

Age of the housing

VOA records show 34% of St Dennis homes were built before 1919, while 22% are from 2000 onwards. In the St Austell and Newquay constituency the oldest homes (pre-1929) score a median 54; the newest (2012 on) score 83.

Few St Dennis homes on mains gas

Of St Dennis' 960 households, 5% relied on mains gas alone in the 2021 Census. Other single fuels: electricity 35%, oil 31%, bottled or tank gas (LPG) 9%, wood or solid fuel 2%. 12% combined more than one, and 5% had no central heating. Running-cost modelling penalises oil and LPG compared with mains gas.

Type of home

The most common home type in St Dennis is the semi-detached house (43%), then detached (27%). Flats tend to score best (England median 74) because they share walls; semi-detached homes sit at 67.

Protected buildings in St Dennis

Historic England lists 1 building in and around St Dennis. Energy upgrades on protected homes often need planning or listed building consent.

What St Dennis is built on

St Dennis sits mainly on granite (BGS). Older houses built of local stone usually have solid walls, which the assessor records as uninsulated unless there is evidence otherwise.

Renting out in St Dennis

The 2021 Census found 169 privately rented households in St Dennis, 18% of the total; owner-occupiers made up 57%. 51% of certificated homes in the St Austell and Newquay constituency already meet the band C target set for 1 October 2030.

Read more about minimum EPC rules for landlords.

EPC questions in St Dennis

When do I need an EPC to sell in St Dennis?

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 Dennis let?

E, unless exempt, until the move to C by 1 October 2030. In 2021, 169 St Dennis households were private tenants.

How long does an EPC last?

Ten years. Check a St Dennis address free on the government's Find an energy certificate service.

What EPC band are most St Dennis homes?

Around band D: the ONS median for Cornwall 024 is 60.

Is a listed building in St Dennis exempt from needing an EPC?

Only if meeting minimum energy requirements would unacceptably alter its character or appearance. Ask the local authority's conservation officer. St Dennis has 1 listed building.

Buying in St Dennis?

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

Nearby EPC pages

All St Austell and Newquay 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 · BGS 625k · GOV.UK MEES guidance · GOV.UK response, Jan 2026