- Companies
- Installers
- London
- Dennis Coniku Limited
Dennis Coniku Limited
- Company number
- 17053804
- Incorporated
- 25 Feb 2026
- Registered office
- Flat 3 Wallace Court, 54 Tizzard Grove, London, SE3 9EE
- Nature of business
- Other construction installation; Maintenance and repair of motor vehicles; Activities of patent and copyright agents; other legal activities n.e.c.; Renting and leasing of cars and light motor vehicles
Dennis Coniku Limited is a newly incorporated private limited company registered in London, company number 17053804, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. 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.
Is this your company?
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Where Dennis Coniku Limited is registered
The registered office is in London (SE3), in the Greenwich local authority area, London. Show SE3 9EE on a map.
Other trade companies in SE3
- Azaway LtdMotor traders
- Sunny Star Drylining LtdBuilders
- Lina Cleaning Services LtdCleaning companies
- J&J Property Works LtdJoiners and carpenters
- Nirvana Climate Solutions LtdPlumbers and heating engineers
- Akers Mep Services LtdPlumbers and heating engineers
- Pinewood Electrical LtdElectricians
- Zufc LtdCleaning companies
What happens if Dennis Coniku 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 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
- 17053804
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2026
- Registered office
- Flat 3 Wallace Court, 54 Tizzard Grove, London, SE3 9EE
- Nature of business
- Other construction installation (SIC 43290)
Maintenance and repair of motor vehicles (SIC 45200)
Activities of patent and copyright agents; other legal activities n.e.c. (SIC 69109)
Renting and leasing of cars and light motor vehicles (SIC 77110) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 July 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Dennisonuk Ltd2026
- Denton Contractors Groundworks Limited2008
- Design Experts Limited2024
- Deva Design & Build Limited2016
- Develli Trading Ltd2025
- Dexune Ceilings and Acoustics Ltd2025
- Dfmech Ltd2026
- DG Eco Ltd2025
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Dennis Coniku Limited's accounts due?
Dennis Coniku Limited's next accounts are due at Companies House by 25 November 2027 (in 408 days), covering the period to 28 February 2027.
When is Dennis Coniku Limited'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 Dennis Coniku Limited still trading?
Dennis Coniku 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 Dennis Coniku Limited do?
Dennis Coniku Limited is registered under Other construction installation (SIC 43290); Maintenance and repair of motor vehicles (SIC 45200); Activities of patent and copyright agents; other legal activities n.e.c. (SIC 69109); Renting and leasing of cars and light motor vehicles (SIC 77110).
How old is Dennis Coniku Limited?
Dennis Coniku Limited was incorporated on 25 February 2026, less than a year ago.
What is the penalty if Dennis Coniku 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 Dennis Coniku 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.