- Companies
- Cleaning companies
- Hatfield
- SK Window Cleaning Ltd
SK Window Cleaning Ltd
- Company number
- 16655149
- Incorporated
- 17 Aug 20251 year trading
- Registered office
- 10 Deerswood Avenue, Hatfield, AL10 8RX
- Nature of business
- Window cleaning services
SK Window Cleaning Ltd is a 1-year-old private limited company registered in Hatfield, company number 16655149, one of 65 cleaning companies in Hatfield. Its next accounts are due at Companies House on 17 May 2027, and its first CT600 is due at HMRC on 16 August 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 SK Window Cleaning Ltd is registered
The registered office is in Hatfield (AL10), in the Welwyn Hatfield local authority area, East of England. Show AL10 8RX on a map.
Other trade companies in AL10
- Hiwa Shine LtdCleaning companies
- M1 Construction LtdBuilders
- Tyg Landscaping LimitedLandscapers and gardeners
- RR Roofing Services LtdBuilders
- Tyg Bathrooms and Kitchens LimitedBuilders
- Knights Decorating LtdPainters and decorators
- Gvre LimitedBuilders
- Urbn Developments (Hertfordshire) LimitedFinishing trades
Also registered at this address
1 other company uses the same registered office as SK Window Cleaning Ltd.
- Effective Builders & Decorators LtdProperty developers
What happens if SK Window Cleaning 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 17 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 May 2027 to 17 Jun 2027 | £150 |
| 1 to 3 months late | 18 Jun 2027 to 17 Aug 2027 | £375 |
| 3 to 6 months late | 18 Aug 2027 to 17 Nov 2027 | £750 |
| More than 6 months late | From 18 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16655149
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2025 (1 year ago)
- Registered office
- 10 Deerswood Avenue, Hatfield, AL10 8RX
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 August 2026
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 Hatfield
Other active cleaning companies registered in Hatfield.
- Solyd Ltd2023
- Sparkle N Shine Cleaning Limited2018
- Sparkle-Shine-Cleaning Ltd2025
- Sparklenest Cleaning Services Ltd2025
- Spotlis Cleaning Limited2025
- Stealth Cleaning Services Ltd2025
- Task1 Services Ltd2025
- The Academy Groomers on the Green Ltd2025
All cleaning companies in Hatfield · All trades in Hatfield · Cleaning companies across the UK
Frequently asked questions
When are SK Window Cleaning Ltd's accounts due?
SK Window Cleaning Ltd's next accounts are due at Companies House by 17 May 2027 (in 217 days), covering the period to 31 August 2026.
When is SK Window Cleaning 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 16 August 2026, due by 16 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SK Window Cleaning Ltd still trading?
SK Window Cleaning 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 SK Window Cleaning Ltd do?
SK Window Cleaning Ltd is registered under Window cleaning services (SIC 81221).
How old is SK Window Cleaning Ltd?
SK Window Cleaning Ltd was incorporated on 17 August 2025, 1 year ago.
What is the penalty if SK Window Cleaning 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 SK Window Cleaning 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.