- Companies
- Finishing trades
- London
- Demi 1909 Ltd
Demi 1909 Ltd
- Company number
- 17148074
- Incorporated
- 10 Apr 2026
- Registered office
- 49 Kettering Street, London, SW16 6PZ
- Nature of business
- Other building completion and finishing
Demi 1909 Ltd is a newly incorporated private limited company registered in London, company number 17148074, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 10 January 2028, and its first CT600 is due at HMRC on 9 April 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 Demi 1909 Ltd is registered
The registered office is in London (SW16), in the Wandsworth local authority area, London. Show SW16 6PZ on a map.
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- South Refurb LtdFinishing trades
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- N.L. Unique Home LtdBuilders
- MD Flooring Specialists LtdFloor and wall tilers
- Aman Cleaning LtdCleaning companies
- Infinity Buildings LimitedBuilders
- Cleaning Perfect London LtdCleaning companies
What happens if Demi 1909 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 10 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jan 2028 to 10 Feb 2028 | £150 |
| 1 to 3 months late | 11 Feb 2028 to 10 Apr 2028 | £375 |
| 3 to 6 months late | 11 Apr 2028 to 10 Jul 2028 | £750 |
| More than 6 months late | From 11 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17148074
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2026
- Registered office
- 49 Kettering Street, London, SW16 6PZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Demi Build Limited2014
- Demircimiray Limited2020
- Denkar Ltd2011
- Dentec Group Sa Ltd2024
- Derby Constructions & Builders Ltd2023
- Derbyshire Roofing and Building Ltd2025
- Derek Thomas Carrick Ltd2017
- Des and D Limited2003
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Demi 1909 Ltd's accounts due?
Demi 1909 Ltd's next accounts are due at Companies House by 10 January 2028 (in 454 days), covering the period to 30 April 2027.
When is Demi 1909 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 9 April 2027, due by 9 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Demi 1909 Ltd still trading?
Demi 1909 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 Demi 1909 Ltd do?
Demi 1909 Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Demi 1909 Ltd?
Demi 1909 Ltd was incorporated on 10 April 2026, less than a year ago.
What is the penalty if Demi 1909 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 Demi 1909 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.