- Company number
- 17242137
- Incorporated
- 26 May 2026
- Registered office
- 381 Lillie Road, London, SW6 7PJ
- Nature of business
- Construction of domestic buildings; specialised design activities; Residents property management
Ko Design UK Ltd is a newly incorporated private limited company registered in London, company number 17242137, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 26 February 2028, and its first CT600 is due at HMRC on 25 May 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Ko Design UK LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Ko Design UK Ltd is registered
The registered office is in London (SW6), in the Hammersmith and Fulham local authority area, London. Show SW6 7PJ on a map.
Other trade companies in SW6
- MW Imports LimitedMotor traders
- Euroconsturction LimitedBuilders
- Basileus 17 Construction LtdBuilders
- Earthcom LtdBuilders
- Siren Plates LimitedMotor traders
- Catteau Cosntruction LtdInstallers
- R&L Building Projects LtdBuilders
- Fulham Palace Properties LimitedProperty developers
What happens if Ko Design UK 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 26 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Feb 2028 to 26 Mar 2028 | £150 |
| 1 to 3 months late | 27 Mar 2028 to 26 May 2028 | £375 |
| 3 to 6 months late | 27 May 2028 to 26 Aug 2028 | £750 |
| More than 6 months late | From 27 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17242137
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2026
- Registered office
- 381 Lillie Road, London, SW6 7PJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
specialised design activities (SIC 74100)
Residents property management (SIC 98000) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 August 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Koavs Solutions Ltd2023
- Kob Drylining Ltd2016
- Kobe Carpentry Ltd2020
- Kocevski Group Ltd2019
- Koci Construction Ltd2017
- Kodra Construction Ltd2025
- Kohinoor Security & Facilities Limited2026
- Kojo Construction Ltd2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Ko Design UK Ltd's accounts due?
Ko Design UK Ltd's next accounts are due at Companies House by 26 February 2028 (in 501 days), covering the period to 31 May 2027.
When is Ko Design UK 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 25 May 2027, due by 25 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ko Design UK Ltd still trading?
Ko Design UK 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 Ko Design UK Ltd do?
Ko Design UK Ltd is registered under Construction of domestic buildings (SIC 41202); specialised design activities (SIC 74100); Residents property management (SIC 98000).
How old is Ko Design UK Ltd?
Ko Design UK Ltd was incorporated on 26 May 2026, less than a year ago.
What is the penalty if Ko Design UK 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 Ko Design UK 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.