- Company number
- 16187177
- Incorporated
- 15 Jan 20251 year trading
- Registered office
- 22 Amberley Way, Uxbridge, UB10 0BB
- Nature of business
- Construction of domestic buildings; Other retail sale in non-specialised stores; Retail sale via mail order houses or via Internet
Kaslau Ltd is a 1-year-old private limited company registered in Uxbridge, company number 16187177, one of 278 building contractors in Uxbridge. Its next accounts are due at Companies House on 15 October 2026, and its first CT600 is due at HMRC on 14 January 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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Financial snapshot, 2026
From the balance sheet at 24 January 2026, as filed at Companies House.
Where Kaslau Ltd is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 0BB on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
What happens if Kaslau 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 15 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Oct 2026 to 15 Nov 2026 | £150 |
| 1 to 3 months late | 16 Nov 2026 to 15 Jan 2027 | £375 |
| 3 to 6 months late | 16 Jan 2027 to 15 Apr 2027 | £750 |
| More than 6 months late | From 16 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16187177
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 January 2025 (1 year ago)
- Registered office
- 22 Amberley Way, Uxbridge, UB10 0BB
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other retail sale in non-specialised stores (SIC 47190)
Retail sale via mail order houses or via Internet (SIC 47910) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 14 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 Uxbridge
Other active building contractors registered in Uxbridge.
- KDS Haulage Ltd2024
- Keyhole Construction Limited2016
- Khandhar Ltd2022
- Khanstruction786 Ltd2025
- Kheri Builders Ltd2024
- Khushdeep Singh Ltd2023
- Kira Build Ltd2023
- Kirpa Builders Limited2022
All building contractors in Uxbridge · All trades in Uxbridge · Builders across the UK
Frequently asked questions
When are Kaslau Ltd's accounts due?
Kaslau Ltd's next accounts are due at Companies House by 15 October 2026 (in 2 days), covering the period to 31 January 2026.
When is Kaslau 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 14 January 2026, due by 14 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Kaslau Ltd still trading?
Kaslau 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 Kaslau Ltd do?
Kaslau Ltd is registered under Construction of domestic buildings (SIC 41202); Other retail sale in non-specialised stores (SIC 47190); Retail sale via mail order houses or via Internet (SIC 47910).
How old is Kaslau Ltd?
Kaslau Ltd was incorporated on 15 January 2025, 1 year ago.
What is the penalty if Kaslau 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 Kaslau 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.