- Company number
- 11937557
- Incorporated
- 10 Apr 20197 years trading
- Registered office
- 155 Dagenham Avenue, Dagenham, Essex, RM9 6LJ
- Nature of business
- Construction of domestic buildings; Other construction installation
Alux Construction Ltd is a 7-year-old private limited company registered in Dagenham, company number 11937557, one of 681 building contractors in Dagenham. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 up £760 (+1.4%) on the year before, to -£55K.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £4,128 against £52K owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | -£55K | -£14K | £4,128 | £52K | 1 |
| 30 Apr 2025 | -£56K | -£11K | -£6,176 | £29K | 1 |
| 30 Apr 2024 | -£30K | £13K | £13K | £10K | 1 |
| 30 Apr 2023 | -£15K | £23K | £29K | £1 | 1 |
| 30 Apr 2022 | £34 | £52K | £57K | £5,702 | 1 |
| 30 Apr 2021 | £8,300 | £61K | £73K | £15K | 1 |
| 30 Apr 2020 | £28K | £58K | £64K | £43K | 1 |
Where Alux Construction Ltd is registered
The registered office is in Dagenham (RM9), in the Barking and Dagenham local authority area, London. Show RM9 6LJ on a map.
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What happens if Alux Construction 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11937557
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2019 (7 years ago)
- Registered office
- 155 Dagenham Avenue, Dagenham, Essex, RM9 6LJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 9 April 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Dagenham
Other active building contractors registered in Dagenham.
- Alvex Developments Ltd2026
- Aly Construction Ltd2024
- Amayra Construction Ltd2024
- Ambassadors Interiors Ltd2009
- Ami 94 Limited2024
- An&M Construction Ltd2024
- Anastasia Building Ltd2021
- Anastasia Carpentry Ltd2024
All building contractors in Dagenham · All trades in Dagenham · Builders across the UK
Frequently asked questions
When are Alux Construction Ltd's accounts due?
Alux Construction Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Alux Construction Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Alux Construction Ltd still trading?
Alux Construction 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 Alux Construction Ltd do?
Alux Construction Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Alux Construction Ltd?
Alux Construction Ltd was incorporated on 10 April 2019, 7 years ago.
What is the penalty if Alux Construction 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 Alux Construction 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.