- Companies
- Cleaning companies
- Leicester
- Sjwindows Ltd
Sjwindows Ltd
- Company number
- 16620127
- Incorporated
- 31 Jul 20251 year trading
- Registered office
- 46 Thurso Way, Lubbesthorpe, Leicester, LE19 4DS
- Nature of business
- Window cleaning services
Sjwindows Ltd is a 1-year-old private limited company registered in Leicester, company number 16620127, one of 318 cleaning companies in Leicester. Its next accounts are due at Companies House on 30 April 2027, and its first CT600 is due at HMRC on 30 July 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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Where Sjwindows Ltd is registered
The registered office is in Leicester (LE19), in the Blaby local authority area, East Midlands. Show LE19 4DS on a map.
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What happens if Sjwindows 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16620127
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2025 (1 year ago)
- Registered office
- 46 Thurso Way, Lubbesthorpe, Leicester, LE19 4DS
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Leicester
Other active cleaning companies registered in Leicester.
- Skydee Cleaning Ltd2026
- SLC Cleaning Services Ltd2023
- SLS Linen & Laundry Solutions Ltd2018
- Smithsclean Ltd2024
- SNC Exterior Cleaning Ltd2025
- Spa Express Limited2025
- Sparkle My Business Ltd2023
- Sparkle My Home Ltd2017
All cleaning companies in Leicester · All trades in Leicester · Cleaning companies across the UK
Frequently asked questions
When are Sjwindows Ltd's accounts due?
Sjwindows Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Sjwindows 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 30 July 2026, due by 30 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sjwindows Ltd still trading?
Sjwindows 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 Sjwindows Ltd do?
Sjwindows Ltd is registered under Window cleaning services (SIC 81221).
How old is Sjwindows Ltd?
Sjwindows Ltd was incorporated on 31 July 2025, 1 year ago.
What is the penalty if Sjwindows 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 Sjwindows 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.