London
MEES 2031 exposure in Merton
83 of the 113 industrial and warehouse buildings over 1,000 m² in Merton with an EPC are rated C to E: 1.9m sq ft (172,343 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.
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Merton in figures
EPC register, snapshot 30 Sep 2026
- Rated C to E
- 1.9m sq ft172,343 m² in 83 buildings
- Rated F or G
- 0 buildingsNone below today's E minimum
- Rated A+ to B
- 30 buildingsAlready at the proposed standard
- Share below B
- 73%Of 113 buildings over 1,000 m². England and Wales: 70%
Merton has the 180th most floorspace rated C to E of 316 local authorities in England and Wales, and the 12th most of 32 in London.
EPC rating mix
Share of buildings over 1,000 m², by latest EPC rating
- Merton113 buildings27%73%
- London2,964 buildings35%63%
- 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 Merton
Compared with the other 31 local authorities in London and with England and Wales, from the same EPC register snapshot.
- None of its buildings over 1,000 m² is rated F or G, as in 9 of the other 31 local authorities in London.
- Most of its floorspace rated C to E, 86% or 1.6m sq ft (148,127 m²), is in 79 buildings of 1,000 to 5,000 m².
- 45 of its 83 buildings rated C to G (54%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 27 have already lapsed.
- 11 of its 45 C-rated buildings (24%) have an asset rating of 51 to 60, within 10 points of band B: 250k sq ft (23,233 m²) of floorspace. Across England and Wales it's 37%.
- Storage and distribution (B8) makes up 72% of its buildings over 1,000 m², against 58% across England and Wales.
- In the 12 months to 30 Sep 2026, 22 industrial and warehouse buildings of any size here had an EPC lodged to be let and 9 for a marketed sale, 31 in all: the 13th most of 32 local authorities in London.
- 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 56 of 83 buildings.
Every rating, A+ to G
Merton's 113 industrial and warehouse buildings over 1,000 m² by latest EPC rating, beside London 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 | London | England and Wales |
|---|---|---|---|---|---|
| A+ | 1 | 36k sq ft3,383 m² | 1% | 4% | 2% |
| A | 10 | 359k sq ft33,351 m² | 9% | 11% | 10% |
| B | 19 | 622k sq ft57,762 m² | 17% | 21% | 19% |
| C | 45 | 1.1m sq ft102,463 m² | 40% | 35% | 36% |
| D | 31 | 644k sq ft59,803 m² | 27% | 21% | 22% |
| E | 7 | 108k sq ft10,077 m² | 6% | 7% | 9% |
| F | 0 | 0 sq ft0 m² | 0% | 1% | 1% |
| G | 0 | 0 sq ft0 m² | 0% | 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 45 rated C (24%), with 250k sq ft (23,233 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 | 104 | 24%25 of 104 | 1.6m sq ft148,127 m² |
| Over 5,000 to 10,000 m² | 7 | 43%3 of 7 | 261k sq ft24,216 m² |
| Over 10,000 m² | 2 | 100%2 of 2 | 0 sq ft0 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 | 28 | 27 | 610k sq ft56,632 m² |
| Rest of 2026 | 0 | 0 | 0 sq ft0 m² |
| In 2027 | 7 | 7 | 172k sq ft16,005 m² |
| In 2028 | 4 | 3 | 61k sq ft5,679 m² |
| In 2029 | 4 | 4 | 87k sq ft8,079 m² |
| In 2030 | 4 | 4 | 139k sq ft12,941 m² |
| 2031 or later | 66 | 38 | 786k sq ft73,007 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
- 22buildings
- Marketed sale
- 9buildings
- New build
- 7buildings
- Other reasons
- 4buildings
42 in all: 52% 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 | 23 | 58 | 0 | 1.4m sq ft126,225 m² |
| General industrial (B2) | 32 | 7 | 25 | 0 | 496k sq ft46,118 m² |
By main heating fuel
As recorded on each building's latest EPC.
| Main heating fuel | Buildings | Share | England and Wales |
|---|---|---|---|
| Natural gas | 61 | 54% | 53% |
| Grid supplied electricity | 49 | 43% | 37% |
| Other | 3 | 3% | 4% |
What assessors recommend
The five most common on the latest certificates of its 83 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 56 of 83 buildings (67%)
- 02
Consider installing solar water heating.
EPC-R3. On 46 of 83 buildings (55%)
- 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 45 of 83 buildings (54%)
- 04
Consider installing building mounted wind turbine(s).
EPC-R2. On 44 of 83 buildings (53%)
- 05
Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.
EPC-L7. On 40 of 83 buildings (48%)
How Merton compares
Merton has 0.2% of the industrial floorspace rated C to E in England and Wales. 73% of its buildings over 1,000 m² are below B, against 65% across London 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 |
|---|---|---|---|---|---|
| Merton | 113 | 83 | 1.9m sq ft172,343 m² | 0 | 73% |
| London | 2,964 | 1,873 | 67.2m sq ft6,247,619 m² | 53 | 65% |
| England and Wales | 38,148 | 25,619 | 1.01bn sq ft94,020,657 m² | 1,037 | 70% |
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
Merton has 83 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
No building over 1,000 m² in Merton has a latest EPC rated F or G.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
45 of Merton'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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