- Companies
- Specialist contractors
- London
- Tianchen Construction Limited
Tianchen Construction Limited
- Company number
- 16126349
- Incorporated
- 9 Dec 20241 year trading
- Registered office
- The Green Room, 12 John Princes Street, London, Greater London, W1G 0JR
- Nature of business
- Other specialised construction activities n.e.c.
Tianchen Construction Limited is a 1-year-old private limited company registered in London, company number 16126349, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 December 2025, as filed at Companies House.
Who runs and owns Tianchen Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** L*** | Director | Dec 2024 |
Person with significant control
Where Tianchen Construction Limited is registered
The registered office is in London (W1G), in the Westminster local authority area, London. Show W1G 0JR on a map.
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Also registered at this address
3 other companies use the same registered office as Tianchen Construction Limited.
- Blue Formosa LtdProperty developers
- Harmony New Energy Auto Service (London) LtdMotor traders
- Runto Construction LimitedBuilders
What happens if Tianchen Construction 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16126349
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2024 (1 year ago)
- Registered office
- The Green Room, 12 John Princes Street, London, Greater London, W1G 0JR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 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.
- Tiburtech Build Limited2024
- Tidiane Rope Access Ltd2026
- Tidy Nest Crew Limited2024
- Tidyfix Ltd2026
- Tier One Homes (Ilford) Limited2016
- Tillingham Limited2023
- Timbad Ltd2020
- Timber Frame Panels Ltd2026
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Tianchen Construction Limited's accounts due?
Tianchen Construction Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Tianchen Construction Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Tianchen Construction Limited still trading?
Tianchen Construction 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 Tianchen Construction Limited do?
Tianchen Construction Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Tianchen Construction Limited?
Tianchen Construction Limited was incorporated on 9 December 2024, 1 year ago.
Who runs Tianchen Construction Limited?
Tianchen Construction Limited has 1 active director, the longest-serving appointed in Dec 2024. Their names and service addresses are on the Companies House register.
Who owns Tianchen Construction Limited?
One person or company has significant control of Tianchen Construction Limited: an individual (owns 75% or more of the shares).
What is the penalty if Tianchen Construction 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 Tianchen Construction 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.