- Company number
- 15050992
- Incorporated
- 4 Aug 20233 years trading
- Registered office
- 1 Wentworth Court, Wentworth Road, Southall, London, UB2 5TR
- Nature of business
- Construction of domestic buildings; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Sky Build Ltd is a 3-year-old private limited company registered in Southall, company number 15050992, one of 505 building contractors in Southall. Companies House shows its accounts as overdue: they were due on 31 August 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Sky Build Ltd is registered
The registered office is in Southall (UB2), in the Hounslow local authority area, London. Show UB2 5TR on a map.
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What happens if Sky Build Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 15050992
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2023 (3 years ago)
- Registered office
- 1 Wentworth Court, Wentworth Road, Southall, London, UB2 5TR
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 3 August 2025
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 Southall
Other active building contractors registered in Southall.
- Skybuild Construction Limited2026
- Skyzone Constructions Limited2025
- Smart Homes Construction Ltd2025
- Solid Beam Construction Ltd2025
- Som Development Limited2026
- Somraj Building Contractors Ltd2025
- Sona Builders Ltd2020
- SP Constructors Ltd2025
All building contractors in Southall · All trades in Southall · Builders across the UK
Frequently asked questions
When are Sky Build Ltd's accounts due?
Sky Build Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Sky Build 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 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sky Build Ltd still trading?
Sky Build Ltd is listed as active on the Companies House register (checked 12 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 Sky Build Ltd do?
Sky Build Ltd is registered under Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Sky Build Ltd?
Sky Build Ltd was incorporated on 4 August 2023, 3 years ago.
What is the penalty if Sky Build 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 Sky Build Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.