- Companies
- Plumbers and heating engineers
- London
- Nitros Limited
Nitros Limited
- Company number
- 06124100
- Incorporated
- 22 Feb 200719 years trading
- Registered office
- 83 the Greenway, London, NW9 5AR
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Nitros Limited is a 19-year-old private limited company registered in London, company number 06124100, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 up £51K (+76.2%) on the year before, to £118K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £365K against £252K owed within a year: 1.4 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £118K | £330K | £365K | £252K | 3 |
| 28 Feb 2025 | £67K | £140K | £186K | £126K | 2 |
| 29 Feb 2024 | £47K | £134K | £165K | £126K | 2 |
| 28 Feb 2023 | £17K | £70K | £85K | £111K | 2 |
| 28 Feb 2022 | £16K | £91K | £128K | £134K | 2 |
| 28 Feb 2021 | £7,169 | £43K | £78K | £81K | 2 |
| 29 Feb 2020 | £993 | £35K | £70K | £78K | 2 |
| 28 Feb 2019 | £672 | £35K | £72K | £82K | 2 |
| 28 Feb 2018 | £545 | £13K | £51K | £57K | 2 |
| 28 Feb 2017 | £86 | £23K | £55K | £63K | 2 |
Who runs and owns Nitros Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** L*** | Director | Feb 2007 |
| R*** L*** | Secretary | Feb 2007 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Same-Day Company Services Limited | Corporate Nominee Secretary | Feb 2007 | Feb 2007 |
| Wildman & Battell Limited | Nominee director (company) | Feb 2007 | Feb 2007 |
People with significant control (2)
Where Nitros Limited is registered
The registered office is in London (NW9), in the Barnet local authority area, London. Show NW9 5AR on a map.
Other trade companies in NW9
- KSR & Co. LtdBuilders
- S&M Excavator Hire LtdBuilders
- Autolink Cars LtdMotor traders
- P Auto Motor LtdMechanics and garages
- Euro Car Glass LtdMechanics and garages
- Waely Sons LtdPlumbers and heating engineers
- GM Scaffolding London LtdScaffolders
- Onewais Services LtdCleaning companies
What happens if Nitros 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 06124100
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2007 (19 years ago)
- Registered office
- 83 the Greenway, London, NW9 5AR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 22 February 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- NJP Mechanical Limited2025
- NJS Renovations Ltd2021
- NKN Building & Plumbing Services Ltd2019
- NKP MNT Ltd Ltd2025
- Nkplumbingrep Limited2025
- NMHP Limited2026
- NMK Central Heating and Boiler Services Ltd2020
- No More Leaks Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Nitros Limited's accounts due?
Nitros Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Nitros Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Nitros Limited still trading?
Nitros 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 Nitros Limited do?
Nitros Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Nitros Limited?
Nitros Limited was incorporated on 22 February 2007, 19 years ago.
Who runs Nitros Limited?
Nitros Limited has 1 active director, the longest-serving appointed in Feb 2007. Their names and service addresses are on the Companies House register.
Who owns Nitros Limited?
2 people or companies have significant control of Nitros Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Nitros 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 Nitros 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.