- Companies
- Specialist contractors
- London
- Qubi Acoustics Ltd
Qubi Acoustics Ltd
- Company number
- 15065528
- Incorporated
- 11 Aug 20233 years trading
- Registered office
- 35 Ballards Lane, London, N3 1XW
- Nature of business
- Other specialised construction activities n.e.c.
Qubi Acoustics Ltd is a 3-year-old private limited company registered in London, company number 15065528, one of 4,318 specialist construction companies in London.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Qubi Acoustics Ltd is registered
The registered office is in London (N3), in the Barnet local authority area, London. Show N3 1XW on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
Shared registered office
203 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Qubi Acoustics 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 August 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 15065528
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2023 (3 years ago)
- Registered office
- 35 Ballards Lane, London, N3 1XW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 10 August 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Qubic Maintenance Ltd2026
- QueirÓS Limited2018
- Quest for Construction Ltd2017
- Quick Labourers Liverpool Limited2026
- Quinn Construction Developments Limited2022
- R & Ib Ltd2018
- R Hardy Engineering Ltd.2018
- R K Pro M Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Qubi Acoustics Ltd's accounts due?
The register showed Qubi Acoustics Ltd's accounts as due on 31 August 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is Qubi Acoustics 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 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Qubi Acoustics Ltd still trading?
Qubi Acoustics 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 Qubi Acoustics Ltd do?
Qubi Acoustics Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Qubi Acoustics Ltd?
Qubi Acoustics Ltd was incorporated on 11 August 2023, 3 years ago.
What is the penalty if Qubi Acoustics 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 Qubi Acoustics 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.