- Companies
- Finishing trades
- London
- Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd
- Company number
- 15248140
- Incorporated
- 31 Oct 20232 years trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other building completion and finishing; Other specialised construction activities n.e.c.; Agents involved in the sale of timber and building materials
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd is a 2-year-old private limited company registered in London, company number 15248140, one of 3,947 building finishing companies in London. Companies House shows its accounts as overdue: they were due on 31 July 2025.
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 Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 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 Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2025 to 31 Aug 2025 | £150 |
| 1 to 3 months late | 1 Sep 2025 to 31 Oct 2025 | £375 |
| 3 to 6 months late | 1 Nov 2025 to 31 Jan 2026 | £750 |
| More than 6 months late | From 1 Feb 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2025 | £200 |
| 3 months late | 31 Jan 2026 | another £200 |
| 6 months late | 30 Apr 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2026 | 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
- 15248140
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2023 (2 years ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
Agents involved in the sale of timber and building materials (SIC 46130) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 7 October 2024
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Such Installations Ltd2014
- Sudatha Home Solutions Ltd2023
- Sufi Design Ltd2025
- Suhin Construction Ltd2019
- Sula Property Services Ltd2025
- Sula Solutions Ltd2023
- Sumela Shopfitting Solutions Ltd2025
- Summit Construction Services Group Ltd2026
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd's accounts due?
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd's accounts were due at Companies House on 31 July 2025 and the register shows them as overdue.
When is Sub and Superstructure Specialized Trading Contracting and Cleaning UK 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 30 October 2024, due by 30 October 2025, and one for the period to 31 October 2024, due by 31 October 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd still trading?
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd is listed as active on the Companies House register (checked 13 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 Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd do?
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999); Agents involved in the sale of timber and building materials (SIC 46130).
How old is Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd?
Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd was incorporated on 31 October 2023, 2 years ago.
What is the penalty if Sub and Superstructure Specialized Trading Contracting and Cleaning UK 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 Sub and Superstructure Specialized Trading Contracting and Cleaning UK Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.