- Companies
- Groundworks and demolition
- London
- Winning Mechanical Solutions Ltd
Winning Mechanical Solutions Ltd
- Company number
- 16511315
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- 1 Kings Avenue, London, N21 3NA
- Nature of business
- Site preparation
Winning Mechanical Solutions Ltd is a 1-year-old private limited company registered in London, company number 16511315, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 11 March 2027, and its first CT600 is due at HMRC on 10 June 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 Winning Mechanical Solutions Ltd is registered
The registered office is in London (N21), in the Enfield local authority area, London. Show N21 3NA on a map.
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Shared registered office
180 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 Winning Mechanical Solutions 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 11 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Mar 2027 to 11 Apr 2027 | £150 |
| 1 to 3 months late | 12 Apr 2027 to 11 Jun 2027 | £375 |
| 3 to 6 months late | 12 Jun 2027 to 11 Sep 2027 | £750 |
| More than 6 months late | From 12 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16511315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- 1 Kings Avenue, London, N21 3NA
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 June 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in London
Other active groundworks and demolition companies registered in London.
- Ygl Ltd2025
- Abba Group NW Ltd2026
- Abf Trade Ltd2023
- Achim Demolition Ltd2025
- Acre Excavation Ltd2023
- Aderail Limited2023
- Adios Asbestos UK Ltd2020
- Alb Building Landscaping Ltd2025
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Winning Mechanical Solutions Ltd's accounts due?
Winning Mechanical Solutions Ltd's next accounts are due at Companies House by 11 March 2027 (in 149 days), covering the period to 30 June 2026.
When is Winning Mechanical Solutions 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 10 June 2026, due by 10 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Winning Mechanical Solutions Ltd still trading?
Winning Mechanical Solutions 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 Winning Mechanical Solutions Ltd do?
Winning Mechanical Solutions Ltd is registered under Site preparation (SIC 43120).
How old is Winning Mechanical Solutions Ltd?
Winning Mechanical Solutions Ltd was incorporated on 11 June 2025, 1 year ago.
What is the penalty if Winning Mechanical Solutions 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 Winning Mechanical Solutions 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.