South East
MEES 2031 exposure in Windsor and Maidenhead
27 of the 38 industrial and warehouse buildings over 1,000 m² in Windsor and Maidenhead with an EPC are rated C to E: 956k sq ft (88,811 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.
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Windsor and Maidenhead in figures
EPC register, snapshot 30 Sep 2026
- Rated C to E
- 956k sq ft88,811 m² in 27 buildings
- Rated F or G
- 0 buildingsNone below today's E minimum
- Rated A+ to B
- 11 buildingsAlready at the proposed standard
- Share below B
- 71%Of 38 buildings over 1,000 m². England and Wales: 70%
Windsor and Maidenhead has the 251st most floorspace rated C to E of 316 local authorities in England and Wales, and the 39th most of 64 in the South East.
EPC rating mix
Share of buildings over 1,000 m², by latest EPC rating
- Windsor and Maidenhead38 buildings29%71%
- South East5,119 buildings37%62%
- 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 Windsor and Maidenhead
Compared with the other 63 local authorities in the South East 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 30 of the other 63 local authorities in the South East.
- Most of its floorspace rated C to E, 53% or 503k sq ft (46,751 m²), is in 25 buildings of 1,000 to 5,000 m².
- 16 of its 27 buildings rated C to G (59%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 7 have already lapsed.
- 6 of its 17 C-rated buildings (35%) have an asset rating of 51 to 60, within 10 points of band B: 102k sq ft (9,469 m²) of floorspace. Across England and Wales it's 37%.
- Its storage and distribution buildings are likelier to meet B (36%) than its general industrial ones (19%).
- In the 12 months to 30 Sep 2026, 12 industrial and warehouse buildings of any size here had an EPC lodged to be let and 5 for a marketed sale, 17 in all: the 18th fewest of 64 local authorities in the South East.
- 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 19 of 27 buildings.
Every rating, A+ to G
Windsor and Maidenhead's 38 industrial and warehouse buildings over 1,000 m² by latest EPC rating, beside the South East 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 East | England and Wales |
|---|---|---|---|---|---|
| A+ | 1 | 25k sq ft2,288 m² | 3% | 3% | 2% |
| A | 1 | 31k sq ft2,867 m² | 3% | 13% | 10% |
| B | 9 | 216k sq ft20,041 m² | 24% | 22% | 19% |
| C | 17 | 713k sq ft66,196 m² | 45% | 35% | 36% |
| D | 7 | 185k sq ft17,179 m² | 18% | 21% | 22% |
| E | 3 | 59k sq ft5,436 m² | 8% | 6% | 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.
6 buildings
Of 17 rated C (35%), with 102k sq ft (9,469 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 | 35 | 29%10 of 35 | 503k sq ft46,751 m² |
| Over 5,000 to 10,000 m² | 1 | 100%1 of 1 | 0 sq ft0 m² |
| Over 10,000 m² | 2 | 0%0 of 2 | 453k sq ft42,060 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 | 7 | 7 | 171k sq ft15,892 m² |
| Rest of 2026 | 0 | 0 | 0 sq ft0 m² |
| In 2027 | 0 | 0 | 0 sq ft0 m² |
| In 2028 | 3 | 3 | 46k sq ft4,290 m² |
| In 2029 | 4 | 4 | 85k sq ft7,937 m² |
| In 2030 | 2 | 2 | 24k sq ft2,224 m² |
| 2031 or later | 22 | 11 | 629k sq ft58,468 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
- 12buildings
- Marketed sale
- 5buildings
- New build
- 0buildings
- Other reasons
- 3buildings
20 in all: 60% 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) | 22 | 8 | 14 | 0 | 376k sq ft34,960 m² |
| General industrial (B2) | 16 | 3 | 13 | 0 | 580k sq ft53,851 m² |
By main heating fuel
As recorded on each building's latest EPC.
| Main heating fuel | Buildings | Share | England and Wales |
|---|---|---|---|
| Natural gas | 19 | 50% | 53% |
| Grid supplied electricity | 16 | 42% | 37% |
| Other | 3 | 8% | 4% |
What assessors recommend
The five most common on the latest certificates of its 27 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 19 of 27 buildings (70%)
- 02
Consider installing solar water heating.
EPC-R3. On 17 of 27 buildings (63%)
- 03
Add optimum start/stop to the heating system.
EPC-H7. On 16 of 27 buildings (59%)
- 04
Consider installing building mounted wind turbine(s).
EPC-R2. On 15 of 27 buildings (56%)
- 05
Some windows have high U-values - consider installing secondary glazing.
EPC-E5. On 12 of 27 buildings (44%)
How Windsor and Maidenhead compares
Windsor and Maidenhead has less than 0.1% of the industrial floorspace rated C to E in England and Wales. 71% of its buildings over 1,000 m² are below B, against 63% across the South East 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 |
|---|---|---|---|---|---|
| Windsor and Maidenhead | 38 | 27 | 956k sq ft88,811 m² | 0 | 71% |
| South East | 5,119 | 3,153 | 101.6m sq ft9,439,390 m² | 66 | 63% |
| England and Wales | 38,148 | 25,619 | 1.01bn sq ft94,020,657 m² | 1,037 | 70% |
Nearby in the South East ranking
| Rank | Local authority | C to E floor area |
|---|---|---|
| 37 | Gosport | 1.0m sq ft93,166 m² |
| 38 | Woking | 958k sq ft89,027 m² |
| 39 | Windsor and Maidenhead | 956k sq ft88,811 m² |
| 40 | Thanet | 953k sq ft88,553 m² |
| 41 | Worthing | 952k sq ft88,415 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
Windsor and Maidenhead has 27 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 Windsor and Maidenhead 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
16 of Windsor and Maidenhead'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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