- Companies
- Cleaning companies
- Watford
- N Clark Window Cleaning Limited
N Clark Window Cleaning Limited
- Company number
- 06968590
- Incorporated
- 21 Jul 200917 years trading
- Registered office
- Suite B2 Kebbell House, Carpenders Business Park, Delta Gain, Watford, Hertfordshire, WD19 5EF
- Nature of business
- Window cleaning services
N Clark Window Cleaning Limited is a 17-year-old private limited company registered in Watford, company number 06968590, one of 118 cleaning companies in Watford. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
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 up £24K (+57.4%) on the year before, to -£18K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £50K against £72K owed within a year: 0.7 times cover.
- 12 employees on average, down from 13 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£18K | £6,499 | £50K | £72K | 12 |
| 31 Jul 2024 | -£43K | £0 | £54K | £86K | 13 |
| 31 Jul 2023 | -£54K | £36K | £71K | £105K | 15 |
| 31 Jul 2022 | -£66K | £0 | £29K | £70K | 19 |
| 31 Jul 2021 | -£53K | £2,805 | £29K | £52K | 17 |
| 31 Jul 2020 | -£44K | £27K | £53K | £63K | 18 |
| 31 Jul 2019 | -£37K | £72K | 14 | ||
| 31 Jul 2018 | -£10K | £82K | 14 | ||
| 31 Jul 2017 | -£18K | £84K | 17 | ||
| 31 Jul 2016 | -£18K | £0 | £42K | £65K |
Where N Clark Window Cleaning Limited is registered
The registered office is in Watford (WD19), in the Three Rivers local authority area, East of England. Show WD19 5EF on a map.
Other trade companies in WD19
- DTVM Security Solutions LtdElectricians
- Scenic Plasterwork’S LtdPlasterers
- Terranova Gardens LtdLandscapers and gardeners
- Synclyst LtdCleaning companies
- Hcdbl Group LtdProperty developers
- Primecore Contracts LimitedBuilders
- Kenworx Plumbing & Heating LtdPlumbers and heating engineers
- Adrclim LimitedBuilders
What happens if N Clark Window Cleaning 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 06968590
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2009 (17 years ago)
- Registered office
- Suite B2 Kebbell House, Carpenders Business Park, Delta Gain, Watford, Hertfordshire, WD19 5EF
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 21 September 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Watford
Other active cleaning companies registered in Watford.
- Nirma Cleaning Ltd2026
- North Watford Launderette Ltd2018
- NSTM Recruitment & Consultancy Ltd2016
- Onyx Pest Services Ltd2022
- Orique Ltd2024
- Orwell Cleaning Limited2021
- Ozone Cleaning Service Limited2026
- PB Smart Facilities Management Ltd2023
All cleaning companies in Watford · All trades in Watford · Cleaning companies across the UK
Frequently asked questions
When are N Clark Window Cleaning Limited's accounts due?
N Clark Window Cleaning Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is N Clark Window Cleaning Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is N Clark Window Cleaning Limited still trading?
N Clark Window Cleaning 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 N Clark Window Cleaning Limited do?
N Clark Window Cleaning Limited is registered under Window cleaning services (SIC 81221).
How old is N Clark Window Cleaning Limited?
N Clark Window Cleaning Limited was incorporated on 21 July 2009, 17 years ago.
What is the penalty if N Clark Window Cleaning 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 N Clark Window Cleaning 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.