- Companies
- Cleaning companies
- London
- Diligent Drainage Ltd
Diligent Drainage Ltd
- Company number
- 14254238
- Incorporated
- 25 Jul 20224 years trading
- Registered office
- Flat 2, 254 Nether Street, London, Finchley, N3 1HT
- Nature of business
- Specialised cleaning services
Diligent Drainage Ltd is a 4-year-old private limited company registered in London, company number 14254238, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 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 £395 on the year before, to -£394.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £8,687 against £25K owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | -£394 | £8,687 | £25K | 0 | |
| 31 Jul 2025 | £1 | ||||
| 31 Jul 2024 | £1 | ||||
| 31 Jul 2023 | £1 |
Where Diligent Drainage Ltd is registered
The registered office is in London (N3), in the Barnet local authority area, London. Show N3 1HT on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
What happens if Diligent Drainage 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 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 14254238
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2022 (4 years ago)
- Registered office
- Flat 2, 254 Nether Street, London, Finchley, N3 1HT
- Nature of business
- Specialised cleaning services (SIC 81222)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 29 June 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.
- Diligent Vision Masters Ltd2025
- Dilos Cleaning Services Ltd2023
- Dimova Ltd2023
- Din' Hand Car Wash Edgware Ltd2020
- Dion Building Contractors Ltd2024
- Diplomatic Cleaning Services Ltd2026
- Direct Cleaners Limited2003
- Direct Cleaning and Maintenance Solutions Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Diligent Drainage Ltd's accounts due?
Diligent Drainage Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is Diligent Drainage Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is Diligent Drainage Ltd still trading?
Diligent Drainage 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 Diligent Drainage Ltd do?
Diligent Drainage Ltd is registered under Specialised cleaning services (SIC 81222).
How old is Diligent Drainage Ltd?
Diligent Drainage Ltd was incorporated on 25 July 2022, 4 years ago.
What is the penalty if Diligent Drainage 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 Diligent Drainage 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.