- Companies
- Property developers
- London
- SJ Construct Ltd
SJ Construct Ltd
- Company number
- 16550787
- Incorporated
- 30 Jun 20251 year trading
- Registered office
- 140 Russell Avenue, London, N22 6PT
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
SJ Construct Ltd is a 1-year-old private limited company registered in London, company number 16550787, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 March 2027, and its first CT600 is due at HMRC on 29 June 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns SJ Construct Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** I*** | Director | Jun 2025 |
Person with significant control
Where SJ Construct Ltd is registered
The registered office is in London (N22), in the Haringey local authority area, London. Show N22 6PT on a map.
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What happens if SJ Construct 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16550787
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2025 (1 year ago)
- Registered office
- 140 Russell Avenue, London, N22 6PT
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 June 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- SJ Consulting & Construction Ltd2023
- SJ Design & Constructions Ltd2026
- SJ Living Ltd2025
- Sja Atlas & Bailey Property Ltd2026
- Sja Properties Limited2007
- SJB Shopfitting Ltd2026
- SJH SPV Ltd2024
- SJM Planning Limited2016
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are SJ Construct Ltd's accounts due?
SJ Construct Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is SJ Construct 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 29 June 2026, due by 29 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SJ Construct Ltd still trading?
SJ Construct 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 SJ Construct Ltd do?
SJ Construct Ltd is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is SJ Construct Ltd?
SJ Construct Ltd was incorporated on 30 June 2025, 1 year ago.
Who runs SJ Construct Ltd?
SJ Construct Ltd has 1 active director, the longest-serving appointed in Jun 2025. Their names and service addresses are on the Companies House register.
Who owns SJ Construct Ltd?
One person or company has significant control of SJ Construct Ltd: an individual (owns 75% or more of the shares).
What is the penalty if SJ Construct 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 SJ Construct 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.