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Local authority data · England

Commercial EPC & MEES data for Slough

68.8% of commercial property in Slough sits below EPC B. Analysis of 2,196 unique commercial properties on the Energy Performance of Buildings Register.

68.8%
of commercial stock below EPC B
237
over 1,000 m² and below B – the 2031 cohort
74
rated F or G – unlettable without an exemption
307 / 319
national rank by share below EPC B

The position in Slough

There are 2,196 unique commercial properties in Slough with a certificate on the Energy Performance of Buildings Register. Of those, 1,510 – 68.8% – are rated below EPC B, which is 7.3 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 Slough, Colnbrook, Langley, London, Slough, Berkshire. Average floor area is 1,049 m² and the average asset rating is 69.

473 certificates in the district have expired (21.5% of the total), of which 55 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 analysed2,196
Below EPC B1,510 (68.8%)
Below EPC E – unlettable74 (3.4%)
Over 1,000 m² and below B237
Expired certificates473 (21.5%)
Expired and below E55
Average floor area1,049 m²
Average asset rating69
National rank307 of 319

Band distribution

Commercial EPC band distribution – Slough
BandPropertiesShareShare, shown as a barvs England & Wales
A+190.9%
+0.6
A994.5%
+0.4
B56825.9%
+6.4
C75934.6%
+1.4
D48322.0%
-3.7
E1948.8%
-4.1
F311.4%
-0.5
G432.0%
-0.5

Commercial stock by sector

Commercial stock by sector
SectorPropertiesShareShare, shown as a bar
Retail & financial services69531.6%
Offices & workshops55825.4%
Storage & distribution37717.2%
Restaurants, cafes & pubs1858.4%
General & special industrial1677.6%
Education492.2%
Hotels321.5%
Primary healthcare311.4%

Floor area – who the 2031 standard catches

The 2031 EPC B standard is expected to apply only to buildings over 1,000 m². In Slough 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 m²1,05848.2%
250–500 m²37116.9%
500–1,000 m²32614.8%
1,000–2,500 m²24811.3%
2,500–10,000 m²1506.8%
Over 10,000 m²432.0%

Find your building in Slough

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For editors and journalists

Quote – attributable to evenEco

Analysis of the Energy Performance of Buildings Register by evenEco shows that 68.8% of commercial property in Slough is rated below EPC B – the standard expected to apply to buildings over 1,000 m² from 2031. 237 buildings in the district are both over 1,000 m² and below that standard, and 74 are rated F or G, which has been below the legal minimum for letting since April 2023. Slough ranks 307 of 319 local authorities in England and Wales.

Please attribute to evenEco and link to evenhub.uk/commercial/areas/slough/. 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 – Slough

Commercial EPC summary – Slough, September 2026
MeasureFigure
Commercial properties analysed2,196
Below EPC B1,510 (68.8%)
Below EPC E – unlettable without exemption74 (3.4%)
Over 1,000 m² and below EPC B237
Expired certificates473 (21.5%)
Average floor area1,049 m²
National rank (share below EPC B)307 of 319

Common questions

How many commercial properties in Slough are below EPC B?

1,510 of 2,196 – 68.8% of the commercial stock on the register. That is 7.3 percentage points better than the England and Wales average of 76.1%.

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

237 commercial buildings in Slough 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 Slough are already unlettable?

74 are rated F or G. Letting those without a registered exemption has been unlawful since 1 April 2023. A further 55 have an expired certificate that was rated F or G.

Where does Slough rank nationally?

307 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