- Companies
- Installers
- London
- Onyx Design Ltd
Onyx Design Ltd
- Company number
- 13072023
- Incorporated
- 9 Dec 20205 years trading
- Registered office
- 218 Tollgate Road, London, E6 5YA
- Nature of business
- Other construction installation; Other building completion and finishing; Other specialised construction activities n.e.c.
Onyx Design Ltd is a 5-year-old private limited company registered in London, company number 13072023, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £59 (-2%) on the year before, to -£2,977.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£2,977 | £12K | £8,150 | 0 | |
| 31 Dec 2023 | -£2,918 | £12K | £12K | £8,150 | 0 |
| 31 Dec 2022 | -£3,789 | £334 | £2,858 | £6,647 | 0 |
| 31 Dec 2021 | £100 | £1,036 | £2,042 | £1,942 | 0 |
Where Onyx Design Ltd is registered
The registered office is in London (E6), in the Newham local authority area, London. Show E6 5YA on a map.
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What happens if Onyx Design 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13072023
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2020 (5 years ago)
- Registered office
- 218 Tollgate Road, London, E6 5YA
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
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 2024
- Last confirmation statement
- 8 December 2025
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.
- Onyx Fire Ltd2021
- Optimal Shading Ltd2024
- Optimum Gas Solutions Ltd2026
- Orlando 65 Limited2026
- Osoubaservices Ltd2023
- Osprey Diamond Ltd2021
- Otec Gas and Plumbing Services Limited2002
- Otera Build Ltd2025
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Onyx Design Ltd's accounts due?
Onyx Design Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Onyx Design 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Onyx Design Ltd still trading?
Onyx Design 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 Onyx Design Ltd do?
Onyx Design Ltd is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Onyx Design Ltd?
Onyx Design Ltd was incorporated on 9 December 2020, 5 years ago.
What is the penalty if Onyx Design 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 Onyx Design 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.