- Companies
- Specialist contractors
- London
- 1809 Limited
1809 Limited
- Company number
- 16515342
- Incorporated
- 12 Jun 20251 year trading
- Registered office
- Calder & Co, 30 Orange Street, London, WC2H 7HF
- Nature of business
- Other specialised construction activities n.e.c.
1809 Limited is a 1-year-old private limited company registered in London, company number 16515342, 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 1809 Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| N*** Z*** | Director | Jun 2025 |
| Calder & Co (Registrars) Limited | Secretary (company) | Jun 2025 |
Person with significant control
Where 1809 Limited is registered
The registered office is in London (WC2H), in the Westminster local authority area, London. Show WC2H 7HF on a map.
Other trade companies in WC2H
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- Sal Cleaning LtdCleaning companies
- Cityshine Facilities Services LtdCleaning companies
- Pureoceanscleaning LtdCleaning companies
- Muca Property Group LimitedProperty developers
- E.L.G.G LtdJoiners and carpenters
- First Ascentia Integrated LtdCleaning companies
- Fixing London LtdSpecialist contractors
Shared registered office
29 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 1809 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
- 16515342
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2025 (1 year ago)
- Registered office
- Calder & Co, 30 Orange Street, London, WC2H 7HF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 11 June 2026
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.
- 186Light Ltd2025
- 19Mil Ltd.2019
- 1Pandpc Ltd2024
- 2 Build Or Not to Build Limited2017
- 2 Tec Heating and Construction Services Ltd2022
- 2025 Group Ltd2025
- 2025 Ltd2025
- 22 London Projects Ltd2026
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are 1809 Limited's accounts due?
1809 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 1809 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 1809 Limited still trading?
1809 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 1809 Limited do?
1809 Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is 1809 Limited?
1809 Limited was incorporated on 12 June 2025, 1 year ago.
Who runs 1809 Limited?
1809 Limited has 1 active director, the longest-serving appointed in Jun 2025. Their names and service addresses are on the Companies House register.
Who owns 1809 Limited?
One person or company has significant control of 1809 Limited: an individual (owns 75% or more of the shares).
What is the penalty if 1809 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 1809 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.