Local authority energy-performance profile
Isles of Scilly EPC ratings and energy costs
Understand how homes in Isles of Scilly score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.
Average EPC
E 46
22.5 points below analysed national average
Rated C or above
15.2%
of analysed certificates
Potential uplift
+36
average score points
Properties represented
484
from 501 certificates
At a glance
What the data says about Isles of Scilly
15.2%
rated A–C
60.7%
rated E–G
£2,116
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 30 June 2026
1,323
domestic EPC lodgements since 2008
14.8%
rated C or above
60.7%
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.
Fuel poverty context — 2024
17.3%
of households estimated fuel poor
175
estimated fuel-poor households
Low Income Low Energy Efficiency (LILEE)
official measure
DESNZ publishes these modelled estimates for England to identify broad patterns and particularly high or low fuel poverty. They are not a count of people and should not be treated as a causal result of local EPC ratings. View the official release ↗
Average EPC score in Isles of Scilly
EPC band distribution in Isles of Scilly
Certificate-estimated energy costs
| Cost Type | Isles of Scilly | National Avg | Difference |
|---|---|---|---|
| Heating | £1,592/yr | £782/yr | ▲ £810 |
| Hot water | £416/yr | £184/yr | ▲ £232 |
| Lighting | £107/yr | £95/yr | ▲ £12 |
| Total | £2,116/yr | £1,061/yr | ▲ £1,055 |
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
4.4 t
current annual CO₂ estimate
2.1 t
potential annual estimate
91 m²
average floor area
When the represented homes were built
Average EPC score over time
- 2020
- 40
- 2021
- 50
- 2022
- 50
- 2023
- 48
- 2024
- 44
- 2025
- 48