- Companies
- Cleaning companies
- Window Brothers Limited
Window Brothers Limited
- Company number
- 16093271
- Incorporated
- 21 Nov 20241 year trading
- Registered office
- 111 Laurel Road, Hampton Hill, Middlesex, TW12 1JJ
- Nature of business
- Window cleaning services
Window Brothers Limited is a 1-year-old private limited company registered in Hampton Hill, company number 16093271, one of the UK's cleaning companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Window Brothers Limited is registered
The registered office is in Hampton Hill (TW12), in the Richmond upon Thames local authority area, London. Show TW12 1JJ on a map.
Other trade companies in TW12
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- Regency Paving & Mosaics LtdLandscapers and gardeners
- Stone & Willow LimitedLandscapers and gardeners
- Shadzcornrer Interior LtdBuilders
- Deco Project LtdFloor and wall tilers
- Xpress Mobile Tyres LtdMechanics and garages
- Black Stone Services Group LtdFacilities management
Also registered at this address
1 other company uses the same registered office as Window Brothers Limited.
- Gutter Brothers LimitedRoofers
What happens if Window Brothers Limited 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16093271
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2024 (1 year ago)
- Registered office
- 111 Laurel Road, Hampton Hill, Middlesex, TW12 1JJ
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 20 November 2025
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
Other active cleaning companies.
Frequently asked questions
When are Window Brothers Limited's accounts due?
Window Brothers Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Window Brothers Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Window Brothers Limited still trading?
Window Brothers Limited 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 Window Brothers Limited do?
Window Brothers Limited is registered under Window cleaning services (SIC 81221).
How old is Window Brothers Limited?
Window Brothers Limited was incorporated on 21 November 2024, 1 year ago.
What is the penalty if Window Brothers Limited 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 Window Brothers Limited 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.