- Companies
- Plumbers and heating engineers
- London
- Plumb Sharks Ltd
Plumb Sharks Ltd
- Company number
- 17361724
- Incorporated
- 25 Jul 2026
- Registered office
- Flat 18 Moredown House, Amhurst Road, London, E8 2AP
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
Plumb Sharks Ltd is a newly incorporated private limited company registered in London, company number 17361724, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 25 April 2028, and its first CT600 is due at HMRC on 24 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Plumb Sharks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| F*** C*** | Director | Jul 2026 |
Person with significant control
Where Plumb Sharks Ltd is registered
The registered office is in London (E8), in the Hackney local authority area, London. Show E8 2AP on a map.
Other trade companies in E8
- Altura Developments Group LimitedCivil engineering
- Halcyon (LDN) LtdBuilders
- A&K Mobile Valeting Car Wash LtdCleaning companies
- Gofix Services LtdPlumbers and heating engineers
- Tushe Car Cleaning LtdCleaning companies
- Nexa Control LtdElectricians
- San Remig LtdCleaning companies
- SM Civils LtdCivil engineering
What happens if Plumb Sharks 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 25 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Apr 2028 to 25 May 2028 | £150 |
| 1 to 3 months late | 26 May 2028 to 25 Jul 2028 | £375 |
| 3 to 6 months late | 26 Jul 2028 to 25 Oct 2028 | £750 |
| More than 6 months late | From 26 Oct 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
- 17361724
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2026
- Registered office
- Flat 18 Moredown House, Amhurst Road, London, E8 2AP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Plumb-Inn Services Limited2017
- Plumbderland Limited2020
- Plumber Islington Ltd2026
- Plumber Medic UK Ltd2023
- Plumber Near Me 4U Limited2025
- Plumber Recruit Ltd2023
- Plumberparts Limited2012
- Plumbers 4 You Ltd2012
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Plumb Sharks Ltd's accounts due?
Plumb Sharks Ltd's next accounts are due at Companies House by 25 April 2028 (in 560 days), covering the period to 31 July 2027.
When is Plumb Sharks Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 24 July 2027, due by 24 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Plumb Sharks Ltd still trading?
Plumb Sharks 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 Plumb Sharks Ltd do?
Plumb Sharks Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Plumb Sharks Ltd?
Plumb Sharks Ltd was incorporated on 25 July 2026, less than a year ago.
Who runs Plumb Sharks Ltd?
Plumb Sharks Ltd has 1 active director, the longest-serving appointed in Jul 2026. Their names and service addresses are on the Companies House register.
Who owns Plumb Sharks Ltd?
One person or company has significant control of Plumb Sharks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Plumb Sharks 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 Plumb Sharks 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.