England
Cornwall
62.9% of homes are below EPC C
Based on analysis of 311,720 EPC certificates
7.6% worse than the national average of 55.3%
62.9%
Below EPC C
196,110 properties
311,720
Properties analysed
EPC certificates
£1.6B
Estimated upgrade cost
to bring all to EPC C
52 / 346
National rank
Worse half nationally
Compared to the national average
Cornwall has 62.9% of homes below EPC C. This is 7.6 percentage points worse than the national average of 55.3% for England and Wales. It ranks 52 out of 346 local authorities, where rank 1 is the worst performing.
EPC Rating Distribution
A1.0%3,012
B11.6%36,018
C24.6%76,580
D29.0%90,297
E19.6%61,185
F10.1%31,543
G4.2%13,085
Ratings D, E, F, and G are below the proposed 2030 minimum standard of EPC C.
Property Type Breakdown
| Property Type | Total | Below C |
|---|---|---|
| House | 194,419 | 63.3% |
| Bungalow | 61,423 | 79.0% |
| Flat | 51,154 | 42.5% |
| Maisonette | 4,413 | 57.0% |
| Park home | 311 | 97.1% |
Construction Age Breakdown
| Age Band | Total | Below C |
|---|---|---|
| before 1900 | 62,360 | 93.2% |
| 1900-1929 | 20,330 | 88.2% |
| 1930-1949 | 17,768 | 82.2% |
| 1950-1966 | 29,407 | 75.7% |
| 1967-1975 | 34,208 | 79.5% |
| 1976-1982 | 22,288 | 70.5% |
| 1983-1990 | 24,088 | 64.4% |
| 1991-1995 | 10,966 | 64.9% |
| 1996-2002 | 15,278 | 50.0% |
| 2003-2006 | 13,527 | 22.9% |
| 2007-2011 | 4,249 | 18.2% |
| 2012-2021 | 596 | 16.3% |
| 2022 onwards | 18 | 5.6% |
Tenure Breakdown
| Tenure | Total | Below C |
|---|---|---|
| Owner-occupied | 171,915 | 74.9% |
| Private rental | 62,214 | 71.5% |
| Social rental | 35,166 | 46.3% |
Additional Statistics
£834/yr
Avg heating cost
94 m2
Avg floor area
4.5 t/yr
Avg CO2 emissions
3.9%
Solid wall (uninsulated)
45.6%
No mains gas
For Editors
Pre-written quote
“Cornwall has 62.9% of its housing stock below the proposed 2030 EPC minimum standard, with an estimated upgrade cost of £1.6B. This places it 52 out of 346 local authorities in England and Wales.”
EPCGuide Research Team
Shareable Summary
EPCGuide Research
Cornwall
62.9%below EPC C
311,720 properties analysed
£1.6B estimated upgrade cost
Rank 52 of 346 local authorities
epcguide.co.uk/research/areas/cornwall