- Companies
- Plumbers and heating engineers
- London
- Lassco Plumbing & Heating Limited
Lassco Plumbing & Heating Limited
- Company number
- 14627140
- Incorporated
- 31 Jan 20233 years trading
- Registered office
- Ealing House, 33 Hanger Lane, Hanger Lane, London, United Kingdom, W5 3HJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Lassco Plumbing & Heating Limited is a 3-year-old private limited company registered in London, company number 14627140, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £1,704 (+7.2%) on the year before, to £25K.
- Current assets of £27K against £1,131 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £25K | £27K | £1,131 | 2 | |
| 31 Jan 2025 | £24K | £25K | £1,221 | 2 | |
| 31 Jan 2024 | £22K | £23K | £1,420 | 2 |
Who runs and owns Lassco Plumbing & Heating Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** T*** | Director | Jun 2024 |
Person with significant control
Where Lassco Plumbing & Heating Limited is registered
The registered office is in London (W5), in the Ealing local authority area, London. Show W5 3HJ on a map.
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What happens if Lassco Plumbing & Heating 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14627140
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2023 (3 years ago)
- Registered office
- Ealing House, 33 Hanger Lane, Hanger Lane, London, United Kingdom, W5 3HJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 30 January 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.
- Last Minute Pluming Ltd2025
- Lasting Ltd2023
- Launch Mechanical Ltd2021
- Laurence Cole Bathrooms Ltd2023
- Law Plumbing and Heating (London) Ltd2020
- LB Gas & Heating Ltd2023
- LCL Heating & Cooling Limited2026
- LCM Plumbing&Heating Limited2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Lassco Plumbing & Heating Limited's accounts due?
Lassco Plumbing & Heating Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Lassco Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Lassco Plumbing & Heating Limited still trading?
Lassco Plumbing & Heating 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 Lassco Plumbing & Heating Limited do?
Lassco Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Lassco Plumbing & Heating Limited?
Lassco Plumbing & Heating Limited was incorporated on 31 January 2023, 3 years ago.
Who runs Lassco Plumbing & Heating Limited?
Lassco Plumbing & Heating Limited has 1 active director, the longest-serving appointed in Jun 2024. Their names and service addresses are on the Companies House register.
Who owns Lassco Plumbing & Heating Limited?
One person or company has significant control of Lassco Plumbing & Heating Limited: an individual (owns 75% or more of the shares).
What is the penalty if Lassco Plumbing & Heating 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 Lassco Plumbing & Heating 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.