SECR Deadline Guide
SECR Deadline for August Year-End Companies
Companies with a August financial year-end must file their SECR report by 31 May.
Filing Deadline31 May
Days to File273
Penalty From1 June
Penalty Information
Penalties from 1 June. Initial fines £150+
Key Considerations
- May filing deadline after spring bank holiday
- Summer year-end captures air conditioning loads
- Popular for retail businesses with summer peaks
Preparation Timeline
February
Collect energy data
March
Calculate emissions and ratios
April
Prepare narrative
May
File with Companies House
Common Mistakes to Avoid
- Underestimating summer cooling energy impact
- Bank holiday weekend reduces filing time in May
- Not accounting for seasonal business variations
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March year-endDue: 31 DecemberApril year-endDue: 31 JanuaryMay year-endDue: 28 FebruaryJune year-endDue: 31 MarchJuly year-endDue: 30 AprilSeptember year-endDue: 30 JuneOctober year-endDue: 31 JulyNovember year-endDue: 31 AugustDecember year-endDue: 30 SeptemberJanuary year-endDue: 31 OctoberFebruary year-endDue: 30 November