- Companies
- Specialist contractors
- London
- CLS Set Construction Ltd
CLS Set Construction Ltd
- Company number
- 16128282
- Incorporated
- 10 Dec 20241 year trading
- Registered office
- 18 Manna House, 14 Glade Walk, London, E20 1DL
- Nature of business
- Other specialised construction activities n.e.c.
CLS Set Construction Ltd is a 1-year-old private limited company registered in London, company number 16128282, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 10 December 2026, and its first CT600 is due at HMRC on 9 December 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Where CLS Set Construction Ltd is registered
The registered office is in London (E20), in the Newham local authority area, London. Show E20 1DL on a map.
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What happens if CLS Set Construction 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 10 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Dec 2026 to 10 Jan 2027 | £150 |
| 1 to 3 months late | 11 Jan 2027 to 10 Mar 2027 | £375 |
| 3 to 6 months late | 11 Mar 2027 to 10 Jun 2027 | £750 |
| More than 6 months late | From 11 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2026 | £200 |
| 3 months late | 30 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 2027 | 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
- 16128282
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 December 2024 (1 year ago)
- Registered office
- 18 Manna House, 14 Glade Walk, London, E20 1DL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- CM Rope and Rigging Services Ltd2026
- CMC Construction Services Ltd2020
- CMC Design Engineering Ltd2018
- CMF Construction and Refurbishment Ltd2025
- CMG Building Ltd2015
- CML Sustain (Commissioning Management) Limited2009
- CML Sustain Management Limited2012
- CMLF Ltd2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are CLS Set Construction Ltd's accounts due?
CLS Set Construction Ltd's next accounts are due at Companies House by 10 December 2026 (in 59 days), covering the period to 30 December 2025.
When is CLS Set Construction Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 December 2025, due by 9 December 2026, and one for the period to 30 December 2025, due by 30 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is CLS Set Construction Ltd still trading?
CLS Set Construction 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 CLS Set Construction Ltd do?
CLS Set Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CLS Set Construction Ltd?
CLS Set Construction Ltd was incorporated on 10 December 2024, 1 year ago.
What is the penalty if CLS Set Construction 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 CLS Set Construction 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.