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Local authority data · Wales

Commercial EPC & MEES data for Conwy

85.7% of commercial property in Conwy sits below EPC B. Analysis of 2,314 unique commercial properties on the Energy Performance of Buildings Register.

85.7%
of commercial stock below EPC B
130
over 1,000 m² and below B – the 2031 cohort
168
rated F or G – unlettable without an exemption
6 / 319
national rank by share below EPC B

The position in Conwy

There are 2,314 unique commercial properties in Conwy with a certificate on the Energy Performance of Buildings Register. Of those, 1,984 – 85.7% – are rated below EPC B, which is 9.6 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 Llandudno, Colwyn Bay, Abergele, Conwy, Llandudno Junction. Average floor area is 425 m² and the average asset rating is 82.

536 certificates in the district have expired (23.2% of the total), of which 101 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 analysed2,314
Below EPC B1,984 (85.7%)
Below EPC E – unlettable168 (7.3%)
Over 1,000 m² and below B130
Expired certificates536 (23.2%)
Expired and below E101
Average floor area425 m²
Average asset rating82
National rank6 of 319

Band distribution

Commercial EPC band distribution – Conwy
BandPropertiesShareShare, shown as a barvs England & Wales
A+20.1%
-0.2
A472.0%
-2.1
B28112.1%
-7.4
C79134.2%
+1.0
D63827.6%
+1.9
E38716.7%
+3.8
F783.4%
+1.5
G903.9%
+1.4

Commercial stock by sector

Commercial stock by sector
SectorPropertiesShareShare, shown as a bar
Retail & financial services88738.3%
Offices & workshops45219.5%
Restaurants, cafes & pubs30213.1%
Hotels2028.7%
Storage & distribution984.2%
General & special industrial924.0%
Hospitals & care homes733.2%
Assembly & leisure502.2%

Floor area – who the 2031 standard catches

The 2031 EPC B standard is expected to apply only to buildings over 1,000 m². In Conwy 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 m²1,30556.4%
250–500 m²53723.2%
500–1,000 m²28612.4%
1,000–2,500 m²1355.8%
2,500–10,000 m²472.0%
Over 10,000 m²40.2%

Find your building in Conwy

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For editors and journalists

Quote – attributable to evenEco

Analysis of the Energy Performance of Buildings Register by evenEco shows that 85.7% of commercial property in Conwy is rated below EPC B – the standard expected to apply to buildings over 1,000 m² from 2031. 130 buildings in the district are both over 1,000 m² and below that standard, and 168 are rated F or G, which has been below the legal minimum for letting since April 2023. Conwy ranks 6 of 319 local authorities in England and Wales.

Please attribute to evenEco and link to evenhub.uk/commercial/areas/conwy/. 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 – Conwy

Commercial EPC summary – Conwy, September 2026
MeasureFigure
Commercial properties analysed2,314
Below EPC B1,984 (85.7%)
Below EPC E – unlettable without exemption168 (7.3%)
Over 1,000 m² and below EPC B130
Expired certificates536 (23.2%)
Average floor area425 m²
National rank (share below EPC B)6 of 319

Common questions

How many commercial properties in Conwy are below EPC B?

1,984 of 2,314 – 85.7% of the commercial stock on the register. That is 9.6 percentage points worse than the England and Wales average of 76.1%.

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

130 commercial buildings in Conwy 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 Conwy are already unlettable?

168 are rated F or G. Letting those without a registered exemption has been unlawful since 1 April 2023. A further 101 have an expired certificate that was rated F or G.

Where does Conwy rank nationally?

6 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