- Companies
- Plumbers and heating engineers
- London
- Ventrix Labs Ltd
Ventrix Labs Ltd
- Company number
- 15807285
- Incorporated
- 28 Jun 20242 years trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Plumbing, heat and air-conditioning installation; Engineering related scientific and technical consulting activities; Other research and experimental development on natural sciences and engineering; Environmental consulting activities
Ventrix Labs Ltd is a 2-year-old private limited company registered in London, company number 15807285, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 £277K on the year before, to £277K.
- Current assets of £240K against £11K owed within a year: more than 10 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £277K | £240K | £11K | 5 | |
| 30 Jun 2025 | £9 | £9 |
Who runs and owns Ventrix Labs Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| E*** W*** | Director | Jun 2024 |
| Y*** C*** | Director | Nov 2025 |
| Z*** K*** | Director | Nov 2025 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** L*** | Director | Jun 2024 | Nov 2025 |
| T*** T*** | Director | Jun 2024 | Jun 2025 |
People with significant control (3)
Where Ventrix Labs Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Ventrix Labs 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15807285
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2024 (2 years ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Engineering related scientific and technical consulting activities (SIC 71122)
Other research and experimental development on natural sciences and engineering (SIC 72190)
Environmental consulting activities (SIC 74901) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 12 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.
- Verdant Power Ltd2025
- Ves Air Conditioning & Gas Services Ltd2024
- Vesemir Ltd2024
- VG Consult Ltd2021
- Via Gas Engineering Ltd2020
- Victoria Heating & Plumbing (London) Ltd2006
- Victorio Station Ltd2014
- Virtual Developments (London) Ltd2011
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ventrix Labs Ltd's accounts due?
Ventrix Labs Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is Ventrix Labs Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Ventrix Labs Ltd still trading?
Ventrix Labs 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 Ventrix Labs Ltd do?
Ventrix Labs Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Engineering related scientific and technical consulting activities (SIC 71122); Other research and experimental development on natural sciences and engineering (SIC 72190); Environmental consulting activities (SIC 74901).
How old is Ventrix Labs Ltd?
Ventrix Labs Ltd was incorporated on 28 June 2024, 2 years ago.
Who runs Ventrix Labs Ltd?
Ventrix Labs Ltd has 3 active directors, the longest-serving appointed in Jun 2024. Their names and service addresses are on the Companies House register.
Who owns Ventrix Labs Ltd?
3 people or companies have significant control of Ventrix Labs Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Ventrix Labs 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 Ventrix Labs 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.