- Companies
- Joiners and carpenters
- London
- Doncaster Composite Doors Ltd
Doncaster Composite Doors Ltd
- Company number
- 17108534
- Incorporated
- 23 Mar 2026
- Registered office
- 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Joinery installation; Retail sale of hardware, paints and glass in specialised stores
Doncaster Composite Doors Ltd is a newly incorporated private limited company registered in London, company number 17108534, one of 692 joinery companies in London. Its next accounts are due at Companies House on 23 December 2027, and its first CT600 is due at HMRC on 22 March 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 Doncaster Composite Doors Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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- 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 Doncaster Composite Doors 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 23 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2027 to 23 Jan 2028 | £150 |
| 1 to 3 months late | 24 Jan 2028 to 23 Mar 2028 | £375 |
| 3 to 6 months late | 24 Mar 2028 to 23 Jun 2028 | £750 |
| More than 6 months late | From 24 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17108534
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2026
- Registered office
- 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Joinery installation (SIC 43320)
Retail sale of hardware, paints and glass in specialised stores (SIC 47520) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in London
Other active joinery companies registered in London.
- Dorchena Living Ltd2026
- DR.Locktopus Ltd2024
- Dream-Stairs Ltd2025
- Dremax Ltd2022
- DS Property Renovations Ltd2026
- DS Wood Landscapes Ltd2023
- Dsarp Construction Ltd2024
- DT Construct Ltd2018
All joinery companies in London · All trades in London · Joiners and carpenters across the UK
Frequently asked questions
When are Doncaster Composite Doors Ltd's accounts due?
Doncaster Composite Doors Ltd's next accounts are due at Companies House by 23 December 2027 (in 436 days), covering the period to 31 March 2027.
When is Doncaster Composite Doors 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 22 March 2027, due by 22 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Doncaster Composite Doors Ltd still trading?
Doncaster Composite Doors 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 Doncaster Composite Doors Ltd do?
Doncaster Composite Doors Ltd is registered under Joinery installation (SIC 43320); Retail sale of hardware, paints and glass in specialised stores (SIC 47520).
How old is Doncaster Composite Doors Ltd?
Doncaster Composite Doors Ltd was incorporated on 23 March 2026, less than a year ago.
What is the penalty if Doncaster Composite Doors 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 Doncaster Composite Doors 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.