Wales
Caerphilly
58.2% of homes are below EPC C
Based on analysis of 75,260 EPC certificates
2.9% worse than the national average of 55.3%
58.2%
Below EPC C
43,815 properties
75,260
Properties analysed
EPC certificates
£293.4M
Estimated upgrade cost
to bring all to EPC C
125 / 346
National rank
Worse half nationally
Compared to the national average
Caerphilly has 58.2% of homes below EPC C. This is 2.9 percentage points worse than the national average of 55.3% for England and Wales. It ranks 125 out of 346 local authorities, where rank 1 is the worst performing.
EPC Rating Distribution
A0.7%537
B6.8%5,095
C34.3%25,813
D40.2%30,255
E14.7%11,044
F2.7%2,026
G0.7%490
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 | 59,071 | 62.5% |
| Flat | 9,788 | 32.1% |
| Bungalow | 5,783 | 59.5% |
| Maisonette | 616 | 47.2% |
| Park home | 2 | 50.0% |
Construction Age Breakdown
| Age Band | Total | Below C |
|---|---|---|
| before 1900 | 5,948 | 88.0% |
| 1900-1929 | 17,525 | 86.0% |
| 1930-1949 | 4,396 | 72.7% |
| 1950-1966 | 13,881 | 63.9% |
| 1967-1975 | 11,215 | 52.6% |
| 1976-1982 | 3,828 | 44.4% |
| 1983-1990 | 3,042 | 38.3% |
| 1991-1995 | 2,151 | 38.6% |
| 1996-2002 | 3,951 | 35.4% |
| 2003-2006 | 1,997 | 5.9% |
| 2007-2011 | 486 | 1.9% |
| 2012-2021 | 55 | 0.0% |
| 2022 onwards | 1 | 0.0% |
Tenure Breakdown
| Tenure | Total | Below C |
|---|---|---|
| Owner-occupied | 41,780 | 72.5% |
| Social rental | 17,661 | 33.8% |
| Private rental | 9,787 | 66.6% |
Additional Statistics
£728/yr
Avg heating cost
85 m2
Avg floor area
3.9 t/yr
Avg CO2 emissions
3.8%
Solid wall (uninsulated)
3.6%
No mains gas
For Editors
Pre-written quote
“Caerphilly has 58.2% of its housing stock below the proposed 2030 EPC minimum standard, with an estimated upgrade cost of £293.4M. This places it 125 out of 346 local authorities in England and Wales.”
EPCGuide Research Team
Shareable Summary
EPCGuide Research
Caerphilly
58.2%below EPC C
75,260 properties analysed
£293.4M estimated upgrade cost
Rank 125 of 346 local authorities
epcguide.co.uk/research/areas/caerphilly