East of England
MEES 2031 exposure in Dacorum
53 of the 108 industrial and warehouse buildings over 1,000 m² in Dacorum with an EPC are rated C to E: 1.6m sq ft (144,895 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.
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Dacorum in figures
EPC register, snapshot 30 Sep 2026
- Rated C to E
- 1.6m sq ft144,895 m² in 53 buildings
- Rated F or G
- 1 building260k sq ft (24,149 m²), below today's E minimum
- Rated A+ to B
- 54 buildingsAlready at the proposed standard
- Share below B
- 50%Of 108 buildings over 1,000 m². England and Wales: 70%
Dacorum has the 194th most floorspace rated C to E of 316 local authorities in England and Wales, and the 24th most of 45 in the East of England.
EPC rating mix
Share of buildings over 1,000 m², by latest EPC rating
- Dacorum108 buildings50%49%
- East of England4,217 buildings33%64%
- 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 Dacorum
Compared with the other 44 local authorities in the East of England and with England and Wales, from the same EPC register snapshot.
- Most of its floorspace rated C to E, 62% or 968k sq ft (89,957 m²), is in 45 buildings of 1,000 to 5,000 m².
- Its largest buildings are likelier to meet B: 82% of the 11 over 10,000 m² are rated B or better, against 44% of those of 1,000 to 5,000 m².
- 28 of its 54 buildings rated C to G (52%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 14 have already lapsed.
- 17 of its 36 C-rated buildings (47%) have an asset rating of 51 to 60, within 10 points of band B: 438k sq ft (40,683 m²) of floorspace. Across England and Wales it's 37%.
- Storage and distribution (B8) makes up 70% of its buildings over 1,000 m², against 58% across England and Wales.
- In the 12 months to 30 Sep 2026, 25 industrial and warehouse buildings of any size here had an EPC lodged to be let and 14 for a marketed sale, 39 in all: the 10th most of 45 local authorities in the East of England.
- 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 34 of 54 buildings.
Every rating, A+ to G
Dacorum's 108 industrial and warehouse buildings over 1,000 m² by latest EPC rating, beside the East of England 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 | East of England | England and Wales |
|---|---|---|---|---|---|
| A+ | 2 | 85k sq ft7,914 m² | 2% | 2% | 2% |
| A | 25 | 2.4m sq ft227,609 m² | 23% | 12% | 10% |
| B | 27 | 1.6m sq ft147,084 m² | 25% | 20% | 19% |
| C | 36 | 1.1m sq ft97,723 m² | 33% | 35% | 36% |
| D | 12 | 374k sq ft34,783 m² | 11% | 22% | 22% |
| E | 5 | 133k sq ft12,389 m² | 5% | 8% | 9% |
| F | 0 | 0 sq ft0 m² | 0% | 1% | 1% |
| G | 1 | 260k sq ft24,149 m² | 1% | 1% | 2% |
Within 10 points of B
Rated C with an asset rating of 51 to 60. Band B ends at 50.
17 buildings
Of 36 rated C (47%), with 438k sq ft (40,683 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 | 80 | 44%35 of 80 | 968k sq ft89,957 m² |
| Over 5,000 to 10,000 m² | 17 | 59%10 of 17 | 483k sq ft44,883 m² |
| Over 10,000 m² | 11 | 82%9 of 11 | 108k sq ft10,055 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 | 14 | 14 | 657k sq ft61,013 m² |
| Rest of 2026 | 0 | 0 | 0 sq ft0 m² |
| In 2027 | 4 | 1 | 21k sq ft1,926 m² |
| In 2028 | 2 | 2 | 29k sq ft2,678 m² |
| In 2029 | 19 | 7 | 188k sq ft17,476 m² |
| In 2030 | 6 | 4 | 168k sq ft15,597 m² |
| 2031 or later | 63 | 26 | 757k sq ft70,354 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
- 25buildings
- Marketed sale
- 14buildings
- New build
- 4buildings
- Other reasons
- 9buildings
52 in all: 48% 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) | 76 | 43 | 33 | 0 | 828k sq ft76,968 m² |
| General industrial (B2) | 32 | 11 | 20 | 1 | 731k sq ft67,927 m² |
By main heating fuel
As recorded on each building's latest EPC.
| Main heating fuel | Buildings | Share | England and Wales |
|---|---|---|---|
| Natural gas | 62 | 57% | 53% |
| Grid supplied electricity | 42 | 39% | 37% |
| Other | 3 | 3% | 4% |
| Oil | 1 | 1% | 4% |
What assessors recommend
The five most common on the latest certificates of its 54 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 34 of 54 buildings (63%)
- 02
Add optimum start/stop to the heating system.
EPC-H7. On 29 of 54 buildings (54%)
- 03
Carry out a pressure test, identify and treat identified air leakage. Enter result in EPC calculation.
EPC-E7. On 28 of 54 buildings (52%)
- 04
Consider installing solar water heating.
EPC-R3. On 28 of 54 buildings (52%)
- 05
Add weather compensation controls to heating system.
EPC-H8. On 25 of 54 buildings (46%)
How Dacorum compares
Dacorum has 0.2% of the industrial floorspace rated C to E in England and Wales. 50% of its buildings over 1,000 m² are below B, against 67% across the East of England 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 |
|---|---|---|---|---|---|
| Dacorum | 108 | 53 | 1.6m sq ft144,895 m² | 1 | 50% |
| East of England | 4,217 | 2,693 | 93.1m sq ft8,647,375 m² | 120 | 67% |
| England and Wales | 38,148 | 25,619 | 1.01bn sq ft94,020,657 m² | 1,037 | 70% |
Nearby in the East of England ranking
| Rank | Local authority | C to E floor area |
|---|---|---|
| 22 | Broadland | 1.9m sq ft178,823 m² |
| 23 | East Cambridgeshire | 1.9m sq ft172,626 m² |
| 24 | Dacorum | 1.6m sq ft144,895 m² |
| 25 | Mid Suffolk | 1.5m sq ft137,440 m² |
| 26 | Epping Forest | 1.4m sq ft128,717 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
Dacorum has 53 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
1 building in Dacorum is rated F or G. If let, it already needs 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
28 of Dacorum'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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