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Local authority data · England

Commercial EPC & MEES data for Southampton

74.8% of commercial property in Southampton sits below EPC B. Analysis of 3,771 unique commercial properties on the Energy Performance of Buildings Register.

74.8%
of commercial stock below EPC B
277
over 1,000 m² and below B – the 2031 cohort
118
rated F or G – unlettable without an exemption
212 / 319
national rank by share below EPC B

The position in Southampton

There are 3,771 unique commercial properties in Southampton with a certificate on the Energy Performance of Buildings Register. Of those, 2,820 – 74.8% – are rated below EPC B, which is 1.3 percentage points better than the England and Wales average of 76.1%.

The largest category locally is retail & financial services, and the postal towns and districts most represented are Southampton, London, Southhampton, Hampshire, Bitterne. Average floor area is 707 m² and the average asset rating is 71.

868 certificates in the district have expired (23.0% of the total), of which 87 were rated F or G when issued – the least comfortable position on the register, and the one owners are least likely to know about.

Key figures

Properties analysed3,771
Below EPC B2,820 (74.8%)
Below EPC E – unlettable118 (3.1%)
Over 1,000 m² and below B277
Expired certificates868 (23.0%)
Expired and below E87
Average floor area707 m²
Average asset rating71
National rank212 of 319

Band distribution

Commercial EPC band distribution – Southampton
BandPropertiesShareShare, shown as a barvs England & Wales
A+60.2%
-0.1
A1473.9%
-0.2
B79821.2%
+1.7
C1,33935.5%
+2.3
D95925.4%
-0.3
E40410.7%
-2.2
F631.7%
-0.2
G551.5%
-1.0

Commercial stock by sector

Commercial stock by sector
SectorPropertiesShareShare, shown as a bar
Retail & financial services1,39737.0%
Offices & workshops85922.8%
Restaurants, cafes & pubs55914.8%
General & special industrial2235.9%
Storage & distribution2125.6%
Education842.2%
Assembly & leisure731.9%
Primary healthcare731.9%

Floor area – who the 2031 standard catches

The 2031 EPC B standard is expected to apply only to buildings over 1,000 m². In Southampton that line falls here:

Floor area distribution – the 1,000 m² line decides who is caught by the 2031 standard
Floor areaPropertiesShareShare, shown as a bar
Under 250 m²2,11856.2%
250–500 m²74119.6%
500–1,000 m²40910.8%
1,000–2,500 m²2797.4%
2,500–10,000 m²1925.1%
Over 10,000 m²320.8%

Find your building in Southampton

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For editors and journalists

Quote – attributable to evenEco

Analysis of the Energy Performance of Buildings Register by evenEco shows that 74.8% of commercial property in Southampton is rated below EPC B – the standard expected to apply to buildings over 1,000 m² from 2031. 277 buildings in the district are both over 1,000 m² and below that standard, and 118 are rated F or G, which has been below the legal minimum for letting since April 2023. Southampton ranks 212 of 319 local authorities in England and Wales.

Please attribute to evenEco and link to evenhub.uk/commercial/areas/southampton/. Figures derived from the GOV.UK Energy Performance of Buildings Register, deduplicated to the most recent certificate per property. Media enquiries: contact us.

Shareable summary – Southampton

Commercial EPC summary – Southampton, September 2026
MeasureFigure
Commercial properties analysed3,771
Below EPC B2,820 (74.8%)
Below EPC E – unlettable without exemption118 (3.1%)
Over 1,000 m² and below EPC B277
Expired certificates868 (23.0%)
Average floor area707 m²
National rank (share below EPC B)212 of 319

Common questions

How many commercial properties in Southampton are below EPC B?

2,820 of 3,771 – 74.8% of the commercial stock on the register. That is 1.3 percentage points better than the England and Wales average of 76.1%.

How many buildings in Southampton are caught by the 2031 EPC B standard?

277 commercial buildings in Southampton are over 1,000 m² and currently rated below EPC B, which is the cohort the 2031 standard is aimed at.

How many commercial buildings in Southampton are already unlettable?

118 are rated F or G. Letting those without a registered exemption has been unlawful since 1 April 2023. A further 87 have an expired certificate that was rated F or G.

Where does Southampton rank nationally?

212 of 319 local authorities, ranked by the share of commercial stock below EPC B, with rank 1 being the highest share.

Local authorities with a similar profile

All 319 local authorities →

Source: GOV.UK Energy Performance of Buildings Register, deduplicated by evenEco to the most recent certificate per propertyAnalysis updated 11 September 2026 Methodology