- Companies
- Property developers
- Covent Garden
- Ac1 Major Projects Ltd
Ac1 Major Projects Ltd
- Company number
- 17053487
- Incorporated
- 25 Feb 2026
- Registered office
- 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings; Other construction installation
Ac1 Major Projects Ltd is a newly incorporated private limited company registered in Covent Garden, company number 17053487, one of 941 property development companies in Covent Garden. Its next accounts are due at Companies House on 25 November 2027, and its first CT600 is due at HMRC on 24 February 2028.
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 Ac1 Major Projects Ltd is registered
The registered office is in Covent Garden (WC2H), in the Camden local authority area, London. Show WC2H 9JQ on a map.
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- Fixing London LtdSpecialist contractors
Shared registered office
4,529 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 Ac1 Major Projects 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 25 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Nov 2027 to 25 Dec 2027 | £150 |
| 1 to 3 months late | 26 Dec 2027 to 25 Feb 2028 | £375 |
| 3 to 6 months late | 26 Feb 2028 to 25 May 2028 | £750 |
| More than 6 months late | From 26 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 17053487
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2026
- Registered office
- 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Covent Garden
Other active property development companies registered in Covent Garden.
- Access Display Construction Services Ltd2025
- Acdr Group Limited2023
- Acorn DVP Ltd2025
- Acorn North East Ltd2024
- Adami Eco Developments Ltd2024
- Advantage Construction Methods Ltd2026
- Aec Construction Limited2026
- Afa Build Ltd2025
All property development companies in Covent Garden · All trades in Covent Garden · Property developers across the UK
Frequently asked questions
When are Ac1 Major Projects Ltd's accounts due?
Ac1 Major Projects Ltd's next accounts are due at Companies House by 25 November 2027 (in 409 days), covering the period to 28 February 2027.
When is Ac1 Major Projects 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 24 February 2027, due by 24 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ac1 Major Projects Ltd still trading?
Ac1 Major Projects 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 Ac1 Major Projects Ltd do?
Ac1 Major Projects Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Ac1 Major Projects Ltd?
Ac1 Major Projects Ltd was incorporated on 25 February 2026, less than a year ago.
What is the penalty if Ac1 Major Projects 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 Ac1 Major Projects 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.