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- Biolight Limited
Company profile · Civil engineering
Biolight Limited
Biolight Limited is a 2-year-old private limited company registered in Littlehampton, company number 15545127, one of 10 civil engineering contractors in Littlehampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where Biolight Limited is registered
The registered office is in Littlehampton (BN16), in the Arun local authority area, South East. Show BN16 3BZ on a map.
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Shared registered office
52 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Biolight Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 15545127
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2024 (2 years ago)
- Registered office
- 2-4 Ash Lane, Rustington, Littlehampton, BN16 3BZ
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Littlehampton
Other active civil engineering contractors registered in Littlehampton.
- Cornerstone Renovation & Property Maintenance Limited2009
- Gridline Engineering Limited2012
- J & S Utility Projects Limited2023
- JC Roadways Ltd2026
- PH Pools Ltd2026
- Stillwell Building Limited2006
- Thurgood Plant Limited2007
- Topturf Irrigation (Service) Ltd2004
All civil engineering contractors in Littlehampton · All trades in Littlehampton · Civil engineering across the UK
Frequently asked questions
When are Biolight Limited's accounts due?
Biolight Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Biolight Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Biolight Limited still trading?
Biolight Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Biolight Limited do?
Biolight Limited is registered under Construction of water projects (SIC 42910).
How old is Biolight Limited?
Biolight Limited was incorporated on 6 March 2024, 2 years ago.
What is the penalty if Biolight Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Biolight Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.