South West
MEES 2031 exposure in Cornwall
126 of the 176 industrial and warehouse buildings over 1,000 m² in Cornwall with an EPC are rated C to E: 3.0m sq ft (277,192 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.
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Cornwall in figures
EPC register, snapshot 30 Sep 2026
- Rated C to E
- 3.0m sq ft277,192 m² in 126 buildings
- Rated F or G
- 8 buildings159k sq ft (14,751 m²), below today's E minimum
- Rated A+ to B
- 42 buildingsAlready at the proposed standard
- Share below B
- 76%Of 176 buildings over 1,000 m². England and Wales: 70%
Cornwall has the 113th most floorspace rated C to E of 316 local authorities in England and Wales, and the 9th most of 26 in the South West.
EPC rating mix
Share of buildings over 1,000 m², by latest EPC rating
- Cornwall176 buildings24%72%
- South West3,252 buildings30%67%
- England and Wales38,148 buildings30%67%
Latest certificate per building from the government's EPC register, snapshot 30 Sep 2026. Industrial and warehouse uses (B2 and B8), floor area over 1,000 m² as declared on the EPC; 1 m² is 10.7639 sq ft. How we count it
What stands out in Cornwall
Compared with the other 25 local authorities in the South West and with England and Wales, from the same EPC register snapshot.
- Most of its floorspace rated C to E, 79% or 2.4m sq ft (218,474 m²), is in 120 buildings of 1,000 to 5,000 m².
- 78 of its 134 buildings rated C to G (58%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 42 have already lapsed.
- 12 of its 47 C-rated buildings (26%) have an asset rating of 51 to 60, within 10 points of band B: 247k sq ft (22,942 m²) of floorspace. Across England and Wales it's 37%.
- General industrial (B2) makes up 54% of its buildings over 1,000 m², against 42% across England and Wales.
- More of its buildings are heated mainly by grid electricity (48%) than by gas (37%); across England and Wales gas leads, 53% to 37%.
- In the 12 months to 30 Sep 2026, 65 industrial and warehouse buildings of any size here had an EPC lodged to be let and 25 for a marketed sale, 90 in all: the 5th most of 26 local authorities in the South West.
- The recommendation lodged most often on its certificates rated C to G is “Consider replacing T8 lamps with retrofit T5 conversion kit” (EPC-L5), on 89 of 134 buildings.
Every rating, A+ to G
Cornwall's 176 industrial and warehouse buildings over 1,000 m² by latest EPC rating, beside the South West and the whole of England and Wales.
By latest EPC rating
Share is of buildings over 1,000 m² in each area.
| Rating | Buildings | Floor area | Share | South West | England and Wales |
|---|---|---|---|---|---|
| A+ | 4 | 77k sq ft7,160 m² | 2% | 1% | 2% |
| A | 12 | 229k sq ft21,250 m² | 7% | 9% | 10% |
| B | 26 | 619k sq ft57,477 m² | 15% | 20% | 19% |
| C | 47 | 1.3m sq ft116,319 m² | 27% | 36% | 36% |
| D | 53 | 1.1m sq ft101,932 m² | 30% | 23% | 22% |
| E | 26 | 634k sq ft58,941 m² | 15% | 8% | 9% |
| F | 3 | 45k sq ft4,162 m² | 2% | 1% | 1% |
| G | 5 | 114k sq ft10,589 m² | 3% | 2% | 2% |
Within 10 points of B
Rated C with an asset rating of 51 to 60. Band B ends at 50.
12 buildings
Of 47 rated C (26%), with 247k sq ft (22,942 m²) of floorspace. England and Wales: 37% of C-rated buildings.
By building size
Floor area as declared on the EPC.
| Floor area | Buildings | Rated B or better | C to E floor area |
|---|---|---|---|
| Over 1,000 to 5,000 m² | 170 | 25%42 of 170 | 2.4m sq ft218,474 m² |
| Over 5,000 to 10,000 m² | 4 | 0%0 of 4 | 282k sq ft26,161 m² |
| Over 10,000 m² | 2 | 0%0 of 2 | 350k sq ft32,557 m² |
Certificates and lettings
An EPC lasts 10 years, and a valid one is needed to let or sell. We estimate expiry as the lodgement date plus 10 years.
When the certificates lapse
Buildings over 1,000 m², by when their latest EPC lapses, at 30 Sep 2026.
| EPC lapses | All buildings | Rated C to G | C to G floor area |
|---|---|---|---|
| Already lapsed | 50 | 42 | 897k sq ft83,374 m² |
| Rest of 2026 | 3 | 2 | 92k sq ft8,560 m² |
| In 2027 | 12 | 10 | 244k sq ft22,710 m² |
| In 2028 | 12 | 12 | 324k sq ft30,141 m² |
| In 2029 | 5 | 5 | 86k sq ft8,000 m² |
| In 2030 | 7 | 7 | 147k sq ft13,665 m² |
| 2031 or later | 87 | 56 | 1.4m sq ft125,493 m² |
New EPCs in the last year
Industrial and warehouse buildings of any size whose latest EPC was lodged in the 12 months to 30 Sep 2026, by the reason on the certificate.
- To let
- 65buildings
- Marketed sale
- 25buildings
- New build
- 12buildings
- Other reasons
- 10buildings
112 in all: 58% to let, against 56% across England and Wales. How the daily feed works
Uses, heating and recommendations
What the buildings are used for, how they're heated, and what assessors recommended on the certificates of those rated C to G.
By use
Use from the EPC's property type.
| Use | Buildings | B or better | C to E | F or G | C to E floor area |
|---|---|---|---|---|---|
| Storage and distribution (B8) | 81 | 19 | 60 | 2 | 1.2m sq ft109,721 m² |
| General industrial (B2) | 95 | 23 | 66 | 6 | 1.8m sq ft167,471 m² |
By main heating fuel
As recorded on each building's latest EPC.
| Main heating fuel | Buildings | Share | England and Wales |
|---|---|---|---|
| Grid supplied electricity | 85 | 48% | 37% |
| Natural gas | 65 | 37% | 53% |
| Oil | 13 | 7% | 4% |
| Other | 8 | 5% | 4% |
| LPG | 3 | 2% | 1% |
| Biomass | 2 | 1% | 1% |
What assessors recommend
The five most common on the latest certificates of its 134 buildings rated C to G, in the register's wording. A recommendation is the assessor's, not a requirement.
- 01
Consider replacing T8 lamps with retrofit T5 conversion kit.
EPC-L5. On 89 of 134 buildings (66%)
- 02
Add optimum start/stop to the heating system.
EPC-H7. On 82 of 134 buildings (61%)
- 03
Consider installing building mounted wind turbine(s).
EPC-R2. On 81 of 134 buildings (60%)
- 04
Consider installing solar water heating.
EPC-R3. On 81 of 134 buildings (60%)
- 05
Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.
EPC-L7. On 77 of 134 buildings (57%)
How Cornwall compares
Cornwall has 0.3% of the industrial floorspace rated C to E in England and Wales. 76% of its buildings over 1,000 m² are below B, against 70% across the South West and 70% nationally.
Against the region and the country
| Area | Over 1,000 m² | Rated C to E | C to E floor area | Rated F or G | Share below B |
|---|---|---|---|---|---|
| Cornwall | 176 | 126 | 3.0m sq ft277,192 m² | 8 | 76% |
| South West | 3,252 | 2,176 | 75.5m sq ft7,013,022 m² | 95 | 70% |
| England and Wales | 38,148 | 25,619 | 1.01bn sq ft94,020,657 m² | 1,037 | 70% |
Nearby in the South West ranking
| Rank | Local authority | C to E floor area |
|---|---|---|
| 7 | Tewkesbury | 3.4m sq ft320,443 m² |
| 8 | Dorset | 3.0m sq ft278,928 m² |
| 9 | Cornwall | 3.0m sq ft277,192 m² |
| 10 | North Somerset | 2.6m sq ft241,754 m² |
| 11 | Stroud | 2.4m sq ft226,972 m² |
What the 2031 proposal means
In June 2026 the government said it intends that privately rented non-domestic buildings over 1,000 m² reach EPC B from 2031, where cost effective. It needs secondary legislation, so for now it's a proposal, not law. What the proposal means
C to E: fine today, short of B
Cornwall has 126 buildings over 1,000 m² rated C to E. They meet today's E minimum, but would fall short of B if the proposal becomes law while they're let.F or G: below the minimum already
8 buildings in Cornwall are rated F or G. If let, they already need an improvement or a registered exemption under today's rules.Where cost effective, and only when let
The 7-year payback test and the exemptions remain. Owner-occupied buildings are counted too, as an EPC can't say whether a building is let. Local weights and measures authorities enforce the rules. MEES in plain EnglishRatings change at renewal
78 of Cornwall's buildings rated C to G have an EPC that has lapsed or is estimated to lapse before 2031. Each needs a new certificate before it's let or sold, and the new rating may differ.
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