- Company number
- 15388070
- Incorporated
- 4 Jan 20242 years trading
- Registered office
- Flat 3 94-96 Melbury Gardens, London, SW20 0DN
- Nature of business
- Construction of domestic buildings
3Al Construction UK Ltd is a 2-year-old private limited company registered in London, company number 15388070, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £39K (+377.1%) on the year before, to £29K.
- Current assets of £67K against £30K owed within a year: 2.3 times cover.
- 5 employees on average, up from 3 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £29K | £67K | £30K | 5 | |
| 31 Jan 2025 | -£10K | £42K | £11K | 3 |
Where 3Al Construction UK Ltd is registered
The registered office is in London (SW20), in the Merton local authority area, London. Show SW20 0DN on a map.
Other trade companies in SW20
- Resmor LtdBuilders
- Justify Advisory LimitedCivil engineering
- Busy Bee Homes LtdProperty developers
- Jyoti Enterprises LtdElectricians
- Bilkins Mechanical LimitedPlumbers and heating engineers
- Tremtec Group Services LtdBuilders
- HRS Services LtdCleaning companies
- Double Glazed Windows and Doors LtdGlaziers
What happens if 3Al Construction UK 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15388070
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2024 (2 years ago)
- Registered office
- Flat 3 94-96 Melbury Gardens, London, SW20 0DN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 3 January 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 London
Other active building contractors registered in London.
- 3Am Properties Limited2021
- 3BD Services Ltd2025
- 3Bilt Ltd2025
- 3Bros Steelfixing Ltd2021
- 3D Site Services Ltd2025
- 3Eee- Construction Limited2022
- 3K Casa Ltd2020
- 3MF Construction and Electrical Company Ltd2013
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are 3Al Construction UK Ltd's accounts due?
3Al Construction UK Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is 3Al Construction UK Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is 3Al Construction UK Ltd still trading?
3Al Construction UK 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 3Al Construction UK Ltd do?
3Al Construction UK Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is 3Al Construction UK Ltd?
3Al Construction UK Ltd was incorporated on 4 January 2024, 2 years ago.
What is the penalty if 3Al Construction UK 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 3Al Construction UK 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.