- Company number
- 15086415
- Incorporated
- 21 Aug 20233 years trading
- Registered office
- 4 Calbroke Court, 31Calbroke Road, Slough, SL2 2HY
- Nature of business
- Construction of domestic buildings
Laj Construction Ltd is a 3-year-old private limited company registered in Slough, company number 15086415, one of 683 building contractors in Slough. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
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 £4,709 (+274.9%) on the year before, to £6,422.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £6,422 | £1,614 | £3,658 | 0 | |
| 31 Dec 2024 | £1,713 | £2,025 | £2,025 | £5,031 | 1 |
Where Laj Construction Ltd is registered
The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 2HY on a map.
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What happens if Laj 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15086415
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2023 (3 years ago)
- Registered office
- 4 Calbroke Court, 31Calbroke Road, Slough, SL2 2HY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 August 2026
- Previous names
- Johal Contractors Ltd (until 11 Sep 2023)
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 Slough
Other active building contractors registered in Slough.
- Lalka Builders Ltd2022
- Langmere Construction Ltd2025
- Langstone Conservation Ltd2024
- Lavington Build Ltd2026
- Life Construction Ltd2023
- Lifestyle Renovations Limited2023
- Lines Group London Ltd2020
- LK Building Constructions Ltd2016
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are Laj Construction Ltd's accounts due?
Laj Construction Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Laj Construction Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Laj Construction Ltd still trading?
Laj 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 Laj Construction Ltd do?
Laj Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Laj Construction Ltd?
Laj Construction Ltd was incorporated on 21 August 2023, 3 years ago.
What is the penalty if Laj 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 Laj 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.