East of England
MEES 2031 exposure in North Hertfordshire
69 of the 85 industrial and warehouse buildings over 1,000 m² in North Hertfordshire with an EPC are rated C to E: 1.9m sq ft (180,476 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.
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North Hertfordshire in figures
EPC register, snapshot 30 Sep 2026
- Rated C to E
- 1.9m sq ft180,476 m² in 69 buildings
- Rated F or G
- 1 building11k sq ft (1,046 m²), below today's E minimum
- Rated A+ to B
- 15 buildingsAlready at the proposed standard
- Share below B
- 82%Of 85 buildings over 1,000 m². England and Wales: 70%
North Hertfordshire has the 173rd most floorspace rated C to E of 316 local authorities in England and Wales, and the 21st most of 45 in the East of England.
EPC rating mix
Share of buildings over 1,000 m², by latest EPC rating
- North Hertfordshire85 buildings18%81%
- 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 North Hertfordshire
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, 63% or 1.2m sq ft (112,904 m²), is in 60 buildings of 1,000 to 5,000 m².
- 35 of its 70 buildings rated C to G (50%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 20 have already lapsed.
- 11 of its 28 C-rated buildings (39%) have an asset rating of 51 to 60, within 10 points of band B: 367k sq ft (34,130 m²) of floorspace. Across England and Wales it's 37%.
- Gas is the main heating fuel in 74% of its buildings, against 53% across England and Wales.
- In the 12 months to 30 Sep 2026, 35 industrial and warehouse buildings of any size here had an EPC lodged to be let and 14 for a marketed sale, 49 in all: the 6th 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 41 of 70 buildings.
Every rating, A+ to G
North Hertfordshire's 85 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+ | 0 | 0 sq ft0 m² | 0% | 2% | 2% |
| A | 7 | 180k sq ft16,731 m² | 8% | 12% | 10% |
| B | 8 | 227k sq ft21,125 m² | 9% | 20% | 19% |
| C | 28 | 1.1m sq ft97,746 m² | 33% | 35% | 36% |
| D | 29 | 648k sq ft60,233 m² | 34% | 22% | 22% |
| E | 12 | 242k sq ft22,497 m² | 14% | 8% | 9% |
| F | 0 | 0 sq ft0 m² | 0% | 1% | 1% |
| G | 1 | 11k sq ft1,046 m² | 1% | 1% | 2% |
Within 10 points of B
Rated C with an asset rating of 51 to 60. Band B ends at 50.
11 buildings
Of 28 rated C (39%), with 367k sq ft (34,130 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 | 73 | 16%12 of 73 | 1.2m sq ft112,904 m² |
| Over 5,000 to 10,000 m² | 11 | 27%3 of 11 | 572k sq ft53,102 m² |
| Over 10,000 m² | 1 | 0%0 of 1 | 156k sq ft14,470 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 | 20 | 20 | 591k sq ft54,887 m² |
| Rest of 2026 | 1 | 1 | 13k sq ft1,206 m² |
| In 2027 | 2 | 2 | 56k sq ft5,234 m² |
| In 2028 | 5 | 5 | 70k sq ft6,482 m² |
| In 2029 | 3 | 3 | 121k sq ft11,282 m² |
| In 2030 | 4 | 4 | 65k sq ft6,008 m² |
| 2031 or later | 50 | 35 | 1.0m sq ft96,423 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
- 35buildings
- Marketed sale
- 14buildings
- New build
- 0buildings
- Other reasons
- 5buildings
54 in all: 65% 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) | 44 | 9 | 35 | 0 | 940k sq ft87,340 m² |
| General industrial (B2) | 41 | 6 | 34 | 1 | 1.0m sq ft93,136 m² |
By main heating fuel
As recorded on each building's latest EPC.
| Main heating fuel | Buildings | Share | England and Wales |
|---|---|---|---|
| Natural gas | 63 | 74% | 53% |
| Grid supplied electricity | 21 | 25% | 37% |
| Other | 1 | 1% | 4% |
What assessors recommend
The five most common on the latest certificates of its 70 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 41 of 70 buildings (59%)
- 02
Consider installing PV.
EPC-R4. On 40 of 70 buildings (57%)
- 03
In some spaces, the solar gain limit defined in the NCM is exceeded, which might cause overheating. Consider solar control measures such as the application of reflective coating or shading devices to windows.
EPC-V1. On 40 of 70 buildings (57%)
- 04
Add optimum start/stop to the heating system.
EPC-H7. On 36 of 70 buildings (51%)
- 05
Add weather compensation controls to heating system.
EPC-H8. On 35 of 70 buildings (50%)
How North Hertfordshire compares
North Hertfordshire has 0.2% of the industrial floorspace rated C to E in England and Wales. 82% 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 |
|---|---|---|---|---|---|
| North Hertfordshire | 85 | 69 | 1.9m sq ft180,476 m² | 1 | 82% |
| 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 |
|---|---|---|
| 19 | King's Lynn and West Norfolk | 2.2m sq ft202,106 m² |
| 20 | Babergh | 2.0m sq ft187,992 m² |
| 21 | North Hertfordshire | 1.9m sq ft180,476 m² |
| 22 | Broadland | 1.9m sq ft178,823 m² |
| 23 | East Cambridgeshire | 1.9m sq ft172,626 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
North Hertfordshire has 69 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 North Hertfordshire 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
35 of North Hertfordshire'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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