- Companies
- Civil engineering
- King's Lynn
- CJL Site Management Ltd
CJL Site Management Ltd
- Company number
- 16466120
- Incorporated
- 21 May 20251 year trading
- Registered office
- 37 Station Road, Snettisham, King's Lynn, Norfolk, PE31 7QL
- Nature of business
- Construction of other civil engineering projects n.e.c.
CJL Site Management Ltd is a 1-year-old private limited company registered in King's Lynn, company number 16466120, one of 30 civil engineering contractors in King's Lynn. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Where CJL Site Management Ltd is registered
The registered office is in King's Lynn (PE31), in the King's Lynn and West Norfolk local authority area, East of England. Show PE31 7QL on a map.
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What happens if CJL Site Management Ltd 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 16466120
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2025 (1 year ago)
- Registered office
- 37 Station Road, Snettisham, King's Lynn, Norfolk, PE31 7QL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 20 May 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 King's Lynn
Other active civil engineering contractors registered in King's Lynn.
- CJR Site Services Ltd2025
- Country Contractors (Norfolk) Limited2021
- Crown Civils Ltd2024
- Danclad UK Limited2015
- Draglime Limited2022
- Eltel Holdings Ltd2025
- Endless Welding Ltd2019
- Filtered Naturally Limited2025
All civil engineering contractors in King's Lynn · All trades in King's Lynn · Civil engineering across the UK
Frequently asked questions
When are CJL Site Management Ltd's accounts due?
CJL Site Management Ltd's next accounts are due at Companies House by 29 February 2028 (in 503 days), covering the period to 31 May 2027.
When is CJL Site Management Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is CJL Site Management Ltd still trading?
CJL Site Management Ltd 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 CJL Site Management Ltd do?
CJL Site Management Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is CJL Site Management Ltd?
CJL Site Management Ltd was incorporated on 21 May 2025, 1 year ago.
What is the penalty if CJL Site Management Ltd 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 CJL Site Management Ltd 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.