- Companies
- Cleaning companies
- London
- Thirty6 Cleaning Ltd
Thirty6 Cleaning Ltd
- Company number
- 16266322
- Incorporated
- 20 Feb 20251 year trading
- Registered office
- 21A Dudden Hill Lane, London, NW10 2ET
- Nature of business
- General cleaning of buildings; Other cleaning services
Thirty6 Cleaning Ltd is a 1-year-old private limited company registered in London, company number 16266322, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 20 November 2026, and its first CT600 is due at HMRC on 19 February 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Thirty6 Cleaning LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Thirty6 Cleaning Ltd is registered
The registered office is in London (NW10), in the Brent local authority area, London. Show NW10 2ET on a map.
Other trade companies in NW10
- Smart Roof Group LtdRoofers
- Mah Maintenance London LimitedFinishing trades
- 46 Electrical LtdElectricians
- Ahf Construction LtdBuilders
- Hook and Hoist LtdMachinery repair and installation
- Wrights Building Services LtdFinishing trades
- Abx Autos LtdMotor traders
- Ev & Plug-in Centre LtdMechanics and garages
What happens if Thirty6 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 20 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Nov 2026 to 20 Dec 2026 | £150 |
| 1 to 3 months late | 21 Dec 2026 to 20 Feb 2027 | £375 |
| 3 to 6 months late | 21 Feb 2027 to 20 May 2027 | £750 |
| More than 6 months late | From 21 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16266322
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2025 (1 year ago)
- Registered office
- 21A Dudden Hill Lane, London, NW10 2ET
- Nature of business
- General cleaning of buildings (SIC 81210)
Other cleaning services (SIC 81299) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 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.
- Thompson Decorating Services Limited2014
- Three Crowns Cleaning Services Limited2006
- Threehand Cleaners Ltd2022
- Threshold Cleaning Ltd2026
- Thrive Sciences Limited2024
- Through the Pods Limited2025
- THS Cleaning Services Ltd2024
- THS Facilities Maintenance Limited2015
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Thirty6 Cleaning Ltd's accounts due?
Thirty6 Cleaning Ltd's next accounts are due at Companies House by 20 November 2026 (in 38 days), covering the period to 28 February 2026.
When is Thirty6 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 19 February 2026, due by 19 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thirty6 Cleaning Ltd still trading?
Thirty6 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 Thirty6 Cleaning Ltd do?
Thirty6 Cleaning Ltd is registered under General cleaning of buildings (SIC 81210); Other cleaning services (SIC 81299).
How old is Thirty6 Cleaning Ltd?
Thirty6 Cleaning Ltd was incorporated on 20 February 2025, 1 year ago.
What is the penalty if Thirty6 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 Thirty6 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.