- Companies
- Cleaning companies
- London
- High-Grade Cleaning Ltd
High-Grade Cleaning Ltd
- Company number
- 11794533
- Incorporated
- 29 Jan 20197 years trading
- Registered office
- 34 Brook Crescent, London, N9 0DJ
- Nature of business
- General cleaning of buildings
High-Grade Cleaning Ltd is a 7-year-old private limited company registered in London, company number 11794533, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 High-Grade 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.
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 £2,156 (-110.1%) on the year before, to -£197.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £1,866 against £4,187 owed within a year: 0.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£197 | £1,696 | £1,866 | £4,187 | 1 |
| 31 Mar 2024 | £1,959 | £2,952 | £3,602 | £4,183 | 1 |
| 31 Mar 2023 | £1,792 | £604 | £1,359 | £2,481 | 1 |
| 31 Mar 2022 | £1,780 | £590 | £1,434 | £3,622 | 1 |
| 31 Mar 2021 | £2,389 | £1,229 | £1,962 | £4,748 | 1 |
| 31 Jan 2020 | £3,655 | £1,014 | £2,358 | £5,453 | 2 |
Where High-Grade Cleaning Ltd is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 0DJ on a map.
Other trade companies in N9
- Green X Construction LtdBuilders
- Enviro Decs Contract Painters LtdBuilders
- Lydex Services LimitedMotor traders
- Lincoln Construction & Infrastructure LtdBuilders
- Build and Install LtdBuilders
- Pro7 Accident Solutions LtdMechanics and garages
- Enfield Mobile Diagnostics LtdMechanics and garages
- Charlie Valentin LtdCleaning companies
What happens if High-Grade 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11794533
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2019 (7 years ago)
- Registered office
- 34 Brook Crescent, London, N9 0DJ
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 January 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.
- Highgate Window Cleaning Ltd2025
- Highgrounddetail Ltd2026
- Highlightsandco Ltd2025
- Highstar Global Ltd2026
- Higienix Ltd2025
- Hiifa Ltd2026
- Hill & Co Estate Care Ltd2025
- Hillcross Limited2009
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are High-Grade Cleaning Ltd's accounts due?
High-Grade Cleaning Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is High-Grade Cleaning Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is High-Grade Cleaning Ltd still trading?
High-Grade 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 High-Grade Cleaning Ltd do?
High-Grade Cleaning Ltd is registered under General cleaning of buildings (SIC 81210).
How old is High-Grade Cleaning Ltd?
High-Grade Cleaning Ltd was incorporated on 29 January 2019, 7 years ago.
What is the penalty if High-Grade 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 High-Grade 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.