- Companies
- Specialist contractors
- Uxbridge
- Sirius Construction Ltd
Sirius Construction Ltd
- Company number
- 15713805
- Incorporated
- 10 May 20242 years trading
- Registered office
- 112 New Peachey Lane, Uxbridge, UB8 3SY
- Nature of business
- Other specialised construction activities n.e.c.
Sirius Construction Ltd is a 2-year-old private limited company registered in Uxbridge, company number 15713805, one of 111 specialist construction companies in Uxbridge. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 31 May 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Sirius Construction Ltd is registered
The registered office is in Uxbridge (UB8), in the Hillingdon local authority area, London. Show UB8 3SY on a map.
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What happens if Sirius 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15713805
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2024 (2 years ago)
- Registered office
- 112 New Peachey Lane, Uxbridge, UB8 3SY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 9 May 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Uxbridge
Other active specialist construction companies registered in Uxbridge.
- Skill Invest Ltd2019
- Smart Scenery Ltd2021
- Solterra Property Solutions Ltd2023
- Structural Repairs & Specialist Services Limited1992
- T Pro Build-Design Limited2016
- Temple Central Ltd2014
- Thakur Construction Ltd2024
- Tim's Carpentry Ltd2025
All specialist construction companies in Uxbridge · All trades in Uxbridge · Specialist contractors across the UK
Frequently asked questions
When are Sirius Construction Ltd's accounts due?
Sirius Construction Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Sirius Construction Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Sirius Construction Ltd still trading?
Sirius 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 Sirius Construction Ltd do?
Sirius Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sirius Construction Ltd?
Sirius Construction Ltd was incorporated on 10 May 2024, 2 years ago.
What is the penalty if Sirius 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 Sirius 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.