ONYX BUILD GROUP LTD
Company details
- Registered name
- ONYX BUILD GROUP LTD
- Company number
- 12511478
- Registered office
- WELLESLEY HOUSE, DUKE OF WELLINGTON AVENUE, LONDON, SE18 6SS, ENGLAND · 462 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 11 March 2020
- Status
- Active
- Age
- 6 years
- Nature of business (SIC)
- 41100 — Development of building projects · 41202 — Construction of domestic buildings · 43320 — Joinery installation · 43999 — Other specialised construction activities n.e.c.
- Accounts — next due
- 31 May 2027
- Accounts — last made up to
- 31 Aug 2025
- Confirmation statement — next due
- 25 Nov 2026
- Confirmation statement — last
- 11 Nov 2025
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 124 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
- A person with significant control here also controls 1 other company.
- The last accounts filed were dormant accounts — the company reported no trading.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 01/11/2020 | Person with significant control ceased | Richard Sadler | — |
| 11/03/2020 | Person with significant control added | — | Richard Sadler |
| 11/03/2020 | Person with significant control added | — | Ms Elizabeth Susan Cook |
Documents for ONYX BUILD GROUP LTD
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
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About ONYX BUILD GROUP LTD (12511478)
ONYX BUILD GROUP LTD is a private limited company incorporated on 11 March 2020 and registered in the United Kingdom under company number 12511478. Its registered office is at WELLESLEY HOUSE, DUKE OF WELLINGTON AVENUE, LONDON, SE18 6SS, ENGLAND. The recorded nature of business is development of building projects (SIC 41100). The company is currently active , with statutory accounts last made up to 31 August 2025. , and the person with significant control is Ms Elizabeth Susan Cook. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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Development of building projects across UK registers
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