- Companies
- Cleaning companies
- London
- Az Window Cleaning Ltd
Az Window Cleaning Ltd
- Company number
- 15486774
- Incorporated
- 13 Feb 20242 years trading
- Registered office
- 52 Holders Hill Drive, London, NW4 1NJ
- Nature of business
- Window cleaning services
Az Window Cleaning Ltd is a 2-year-old private limited company registered in London, company number 15486774, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £2,247 (-345.7%) on the year before, to -£1,597.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | -£1,597 | £5,103 | £16K | 2 | |
| 28 Feb 2025 | £650 | £8,083 | £19K | 2 |
Where Az Window Cleaning Ltd is registered
The registered office is in London (NW4), in the Barnet local authority area, London. Show NW4 1NJ on a map.
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What happens if Az 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 15486774
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2024 (2 years ago)
- Registered office
- 52 Holders Hill Drive, London, NW4 1NJ
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 12 February 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 London
Other active cleaning companies registered in London.
- Aza Cleaning Ltd2025
- Azorcrest Limited2024
- B and Z Cleaning Ltd2022
- B C Valeting Ltd2024
- B Clean B Ltd2026
- B&K Hand Car Wash Ltd2024
- B. Wisniewski Ltd2012
- Ba & Sons Services Ltd2022
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Az Window Cleaning Ltd's accounts due?
Az Window Cleaning Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Az Window Cleaning Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Az Window Cleaning Ltd still trading?
Az Window Cleaning 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 Az Window Cleaning Ltd do?
Az Window Cleaning Ltd is registered under Window cleaning services (SIC 81221).
How old is Az Window Cleaning Ltd?
Az Window Cleaning Ltd was incorporated on 13 February 2024, 2 years ago.
What is the penalty if Az 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 Az Window Cleaning 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.