- Companies
- Specialist contractors
- London
- Platiniumconstruction25 Limited
Platiniumconstruction25 Limited
- Company number
- 16186320
- Incorporated
- 15 Jan 20251 year trading
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Other specialised construction activities n.e.c.
Platiniumconstruction25 Limited is a 1-year-old private limited company registered in London, company number 16186320, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 15 October 2026, and its first CT600 is due at HMRC on 14 January 2027.
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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Where Platiniumconstruction25 Limited is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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- Cenlora Cleaning Group LtdCleaning companies
Shared registered office
1,581 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 Platiniumconstruction25 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 15 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Oct 2026 to 15 Nov 2026 | £150 |
| 1 to 3 months late | 16 Nov 2026 to 15 Jan 2027 | £375 |
| 3 to 6 months late | 16 Jan 2027 to 15 Apr 2027 | £750 |
| More than 6 months late | From 16 Apr 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
- 16186320
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 January 2025 (1 year ago)
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 January 2026
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.
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- Pluggonline Ltd2020
- Plum Group UK Ltd2025
- Plumbtech Property Maintenance Ltd2023
- Plus Rooms.Com Ltd2011
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Frequently asked questions
When are Platiniumconstruction25 Limited's accounts due?
Platiniumconstruction25 Limited's next accounts are due at Companies House by 15 October 2026 (in 3 days), covering the period to 31 March 2026.
When is Platiniumconstruction25 Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 January 2026, due by 14 January 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Platiniumconstruction25 Limited still trading?
Platiniumconstruction25 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 Platiniumconstruction25 Limited do?
Platiniumconstruction25 Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Platiniumconstruction25 Limited?
Platiniumconstruction25 Limited was incorporated on 15 January 2025, 1 year ago.
What is the penalty if Platiniumconstruction25 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 Platiniumconstruction25 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.