SECR Deadline Guide
SECR Deadline for December Year-End Companies
Companies with a December financial year-end must file their SECR report by 30 September.
Filing Deadline30 September
Days to File273
Penalty From1 October
Penalty Information
Penalties apply from 1 October. Initial fines from £150.
Key Considerations
- September deadline after summer break
- Calendar year aligns with many reporting cycles
- Most time to prepare after year-end
Preparation Timeline
June
Begin compiling energy data
July
Calculate Scope 1 and 2 emissions
August
Draft energy efficiency narrative
September
Finalise and file with annual accounts
Common Mistakes to Avoid
- Complacency due to longer preparation time
- Not tracking data throughout the year
- Leaving everything until Q3
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Generate Your Report Now →Other Deadline Dates
March year-endDue: 31 DecemberApril year-endDue: 31 JanuaryMay year-endDue: 28 FebruaryJune year-endDue: 31 MarchJuly year-endDue: 30 AprilAugust year-endDue: 31 MaySeptember year-endDue: 30 JuneOctober year-endDue: 31 JulyNovember year-endDue: 31 AugustJanuary year-endDue: 31 OctoberFebruary year-endDue: 30 November