South East

MEES 2031 exposure in Southampton

66 of the 97 industrial and warehouse buildings over 1,000 m² in Southampton with an EPC are rated C to E: 2.0m sq ft (186,822 m²) of floorspace that meets today's E minimum but falls short of the proposed EPC B standard.

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Southampton in figures

EPC register, snapshot 30 Sep 2026

Rated C to E: 2.0m sq ft186,822 m² in 66 buildings
Rated F or G: 0 buildingsNone below today's E minimum
Rated A+ to B: 31 buildingsAlready at the proposed standard
Share below B: 68%Of 97 buildings over 1,000 m². England and Wales: 70%

Southampton has the 170th most floorspace rated C to E of 316 local authorities in England and Wales, and the 16th most of 64 in the South East.

EPC rating mix

Share of buildings over 1,000 m², by latest EPC rating

Southampton97 buildings
32%
68%
South East5,119 buildings
37%
62%
England and Wales38,148 buildings
30%
67%

A+–BAt B or better alreadyC–EMeets today's E minimum, short of BF–GBelow today's E minimum

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 Southampton

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, 57% or 1.1m sq ft (106,153 m²), is in 60 buildings of 1,000 to 5,000 m².
Its largest buildings are likelier to meet B: 67% of the 6 over 10,000 m² are rated B or better, against 22% of those of 1,000 to 5,000 m².
25 of its 66 buildings rated C to G (38%) have an EPC that has lapsed or is estimated to lapse before 2031, against 54% across England and Wales; 8 have already lapsed.
10 of its 32 C-rated buildings (31%) have an asset rating of 51 to 60, within 10 points of band B: 345k sq ft (32,086 m²) of floorspace. Across England and Wales it's 37%.
Its storage and distribution buildings are likelier to meet B (46%) than its general industrial ones (13%).
In the 12 months to 30 Sep 2026, 10 industrial and warehouse buildings of any size here had an EPC lodged to be let and 13 for a marketed sale, 23 in all: the 30th most 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 45 of 66 buildings.

Every rating, A+ to G

Southampton's 97 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.

Southampton: industrial and warehouse buildings over 1,000 m² by latest EPC rating, with the share in each band and South East's and England and Wales's
Rating	Buildings	Floor area	Share	South East	England and Wales
A+	0	0 sq ft0 m²	0%	3%	2%
A	20	1.2m sq ft115,629 m²	21%	13%	10%
B	11	533k sq ft49,507 m²	11%	22%	19%
C	32	1.3m sq ft116,270 m²	33%	35%	36%
D	24	501k sq ft46,509 m²	25%	21%	22%
E	10	259k sq ft24,043 m²	10%	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.

10 buildings

Of 32 rated C (31%), with 345k sq ft (32,086 m²) of floorspace. England and Wales: 37% of C-rated buildings.

By building size

Floor area as declared on the EPC.

Southampton: industrial and warehouse buildings by floor area
Floor area	Buildings	Rated B or better	C to E floor area
Over 1,000 to 5,000 m²	77	22%17 of 77	1.1m sq ft106,153 m²
Over 5,000 to 10,000 m²	14	71%10 of 14	268k sq ft24,853 m²
Over 10,000 m²	6	67%4 of 6	601k sq ft55,816 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.

Southampton: when each building's latest EPC lapses (estimated)
EPC lapses	All buildings	Rated C to G	C to G floor area
Already lapsed	9	8	590k sq ft54,854 m²
Rest of 2026	1	0	0 sq ft0 m²
In 2027	6	4	138k sq ft12,817 m²
In 2028	13	5	94k sq ft8,763 m²
In 2029	8	7	147k sq ft13,631 m²
In 2030	3	1	16k sq ft1,447 m²
2031 or later	57	41	1.0m sq ft95,310 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: 10buildings
Marketed sale: 13buildings
New build: 0buildings
Other reasons: 3buildings

26 in all: 38% 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.

Southampton: buildings over 1,000 m² by 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)	57	26	31	0	786k sq ft73,037 m²
General industrial (B2)	40	5	35	0	1.2m sq ft113,785 m²

By main heating fuel

As recorded on each building's latest EPC.

Southampton: buildings over 1,000 m² by main heating fuel on the EPC
Main heating fuel	Buildings	Share	England and Wales
Natural gas	48	49%	53%
Grid supplied electricity	40	41%	37%
Other	7	7%	4%
Biomass	1	1%	1%
Oil	1	1%	4%

What assessors recommend

The five most common on the latest certificates of its 66 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 45 of 66 buildings (68%)
02
Add optimum start/stop to the heating system.
EPC-H7. On 43 of 66 buildings (65%)
03
Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.
EPC-L7. On 38 of 66 buildings (58%)
04
Some walls have uninsulated cavities - introduce cavity wall insulation.
EPC-E4. On 35 of 66 buildings (53%)
05
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 35 of 66 buildings (53%)

How Southampton compares

Southampton has 0.2% of the industrial floorspace rated C to E in England and Wales. 68% 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

Southampton against the South East and England and Wales: industrial and warehouse buildings over 1,000 m²
Area	Over 1,000 m²	Rated C to E	C to E floor area	Rated F or G	Share below B
Southampton	97	66	2.0m sq ft186,822 m²	0	68%
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

Local authorities ranked next to Southampton in the South East by floorspace rated C to E
Rank	Local authority	C to E floor area
14	Swale	2.3m sq ft209,353 m²
15	Portsmouth	2.1m sq ft195,138 m²
16	Southampton	2.0m sq ft186,822 m²
17	East Hampshire	2.0m sq ft182,348 m²
18	Maidstone	1.9m sq ft176,789 m²

South East in detail All 316 local authorities

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
Southampton has 66 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 Southampton 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 English
Ratings change at renewal
25 of Southampton'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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