Local authority energy-performance profile
South Bucks EPC ratings and energy costs
Understand how homes in South Bucks score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.
Average EPC
D 66
2.5 points below analysed national average
Rated C or above
43.6%
of analysed certificates
Potential uplift
+14
average score points
Properties represented
418
from 422 certificates
At a glance
What the data says about South Bucks
43.6%
rated A–C
15.9%
rated E–G
£1,065
certificate-estimated annual cost
Cost figures are averages of estimates recorded on EPCs at different dates. They are useful for comparing areas, but they are not a forecast of a current household bill.
Latest official local-authority table
Updated through 31 March 2020
22,983
domestic EPC lodgements since 2008
40.3%
rated C or above
22.9%
rated E, F or G
The current MHCLG live table counts certificate lodgements, not unique homes. It complements the more detailed 2020–2025 EPCScore analysis below.
Average EPC score in South Bucks
EPC band distribution in South Bucks
Certificate-estimated energy costs
| Cost Type | South Bucks | National Avg | Difference |
|---|---|---|---|
| Heating | £816/yr | £782/yr | ▲ £34 |
| Hot water | £147/yr | £184/yr | ▼ £37 |
| Lighting | £102/yr | £95/yr | ▲ £7 |
| Total | £1,065/yr | £1,061/yr | ▲ £4 |
These values come from certificate assessments and reflect standardised occupancy assumptions and energy prices used when each EPC was produced. They are not live tariffs.
Property types in the dataset
Main heating fuel
Carbon emissions and improvement potential
4.7 t
current annual CO₂ estimate
2.8 t
potential annual estimate
130 m²
average floor area
When the represented homes were built
Average EPC score over time
- 2020
- 66