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Local authority data · England

Commercial EPC & MEES data for North Hertfordshire

79.6% of commercial property in North Hertfordshire sits below EPC B. Analysis of 2,389 unique commercial properties on the Energy Performance of Buildings Register.

79.6%
of commercial stock below EPC B
154
over 1,000 m² and below B – the 2031 cohort
99
rated F or G – unlettable without an exemption
84 / 319
national rank by share below EPC B

The position in North Hertfordshire

There are 2,389 unique commercial properties in North Hertfordshire with a certificate on the Energy Performance of Buildings Register. Of those, 1,901 – 79.6% – are rated below EPC B, which is 3.5 percentage points worse 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 Letchworth Garden City, Hitchin, Royston, Baldock, Knebworth. Average floor area is 447 m² and the average asset rating is 76.

444 certificates in the district have expired (18.6% of the total), of which 66 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 analysed2,389
Below EPC B1,901 (79.6%)
Below EPC E – unlettable99 (4.1%)
Over 1,000 m² and below B154
Expired certificates444 (18.6%)
Expired and below E66
Average floor area447 m²
Average asset rating76
National rank84 of 319

Band distribution

Commercial EPC band distribution – North Hertfordshire
BandPropertiesShareShare, shown as a barvs England & Wales
A+20.1%
-0.2
A913.8%
-0.3
B39516.5%
-3.0
C79533.3%
+0.1
D63826.7%
+1.0
E36915.4%
+2.5
F461.9%
–
G532.2%
-0.3

Commercial stock by sector

Commercial stock by sector
SectorPropertiesShareShare, shown as a bar
Retail & financial services77032.2%
Offices & workshops71529.9%
Restaurants, cafes & pubs25310.6%
Storage & distribution2269.5%
General & special industrial1566.5%
Education572.4%
Hospitals & care homes532.2%
Primary healthcare401.7%

Floor area – who the 2031 standard catches

The 2031 EPC B standard is expected to apply only to buildings over 1,000 m². In North Hertfordshire 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 m²1,44360.4%
250–500 m²41717.5%
500–1,000 m²28612.0%
1,000–2,500 m²1847.7%
2,500–10,000 m²552.3%
Over 10,000 m²40.2%

Find your building in North Hertfordshire

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For editors and journalists

Quote – attributable to evenEco

Analysis of the Energy Performance of Buildings Register by evenEco shows that 79.6% of commercial property in North Hertfordshire is rated below EPC B – the standard expected to apply to buildings over 1,000 m² from 2031. 154 buildings in the district are both over 1,000 m² and below that standard, and 99 are rated F or G, which has been below the legal minimum for letting since April 2023. North Hertfordshire ranks 84 of 319 local authorities in England and Wales.

Please attribute to evenEco and link to evenhub.uk/commercial/areas/north-hertfordshire/. 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 – North Hertfordshire

Commercial EPC summary – North Hertfordshire, September 2026
MeasureFigure
Commercial properties analysed2,389
Below EPC B1,901 (79.6%)
Below EPC E – unlettable without exemption99 (4.1%)
Over 1,000 m² and below EPC B154
Expired certificates444 (18.6%)
Average floor area447 m²
National rank (share below EPC B)84 of 319

Common questions

How many commercial properties in North Hertfordshire are below EPC B?

1,901 of 2,389 – 79.6% of the commercial stock on the register. That is 3.5 percentage points worse than the England and Wales average of 76.1%.

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

154 commercial buildings in North Hertfordshire 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 North Hertfordshire are already unlettable?

99 are rated F or G. Letting those without a registered exemption has been unlawful since 1 April 2023. A further 66 have an expired certificate that was rated F or G.

Where does North Hertfordshire rank nationally?

84 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