- Companies
- Civil engineering
- London
- Liquidbox Ltd
Liquidbox Ltd
- Company number
- 15511587
- Incorporated
- 21 Feb 20242 years trading
- Registered office
- 286 Hermitage Road, London, N4 1NR
- Nature of business
- Construction of water projects; Other activities of employment placement agencies; Temporary employment agency activities
Liquidbox Ltd is a 2-year-old private limited company registered in London, company number 15511587, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 28 February 2025, as filed at Companies House.
Where Liquidbox Ltd is registered
The registered office is in London (N4), in the Haringey local authority area, London. Show N4 1NR on a map.
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Also registered at this address
1 other company uses the same registered office as Liquidbox Ltd.
- Heatsync Plumbing LimitedPlumbers and heating engineers
What happens if Liquidbox 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15511587
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2024 (2 years ago)
- Registered office
- 286 Hermitage Road, London, N4 1NR
- Nature of business
- Construction of water projects (SIC 42910)
Other activities of employment placement agencies (SIC 78109)
Temporary employment agency activities (SIC 78200) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 15 November 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Lisward Ltd2021
- Liti Construction Ltd2018
- Litran UK Ltd2026
- LJD Projects Limited2026
- Ljpsp Limited2025
- LJS Engineering Ltd2026
- Lloyd Data & Fibre Ltd2026
- LNK Construction Co Limited2013
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Liquidbox Ltd's accounts due?
Liquidbox Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Liquidbox Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Liquidbox Ltd still trading?
Liquidbox 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 Liquidbox Ltd do?
Liquidbox Ltd is registered under Construction of water projects (SIC 42910); Other activities of employment placement agencies (SIC 78109); Temporary employment agency activities (SIC 78200).
How old is Liquidbox Ltd?
Liquidbox Ltd was incorporated on 21 February 2024, 2 years ago.
What is the penalty if Liquidbox 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 Liquidbox 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.