Plyno Ltd
- Company number
- 16841824
- Incorporated
- 9 Nov 2025
- Registered office
- 4 Water Lane, London, E15 4NH
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Plyno Ltd is a newly incorporated private limited company registered in London, company number 16841824, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 9 August 2027, and its first CT600 is due at HMRC on 8 November 2027.
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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Where Plyno Ltd is registered
The registered office is in London (E15), in the Newham local authority area, London. Show E15 4NH on a map.
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What happens if Plyno 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 9 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Aug 2027 to 9 Sep 2027 | £150 |
| 1 to 3 months late | 10 Sep 2027 to 9 Nov 2027 | £375 |
| 3 to 6 months late | 10 Nov 2027 to 9 Feb 2028 | £750 |
| More than 6 months late | From 10 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16841824
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 November 2025
- Registered office
- 4 Water Lane, London, E15 4NH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 November (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.
- Pme Team Ltd2022
- Pne Services Ltd2026
- Pol Solutions Ltd2023
- Polar Heating Solutions Limited2021
- Polar Tech Solutions Ltd2016
- Polarac Ltd2026
- Polkadot Plumbers Ltd2019
- Ponty Plumbing Limited2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Plyno Ltd's accounts due?
Plyno Ltd's next accounts are due at Companies House by 9 August 2027 (in 300 days), covering the period to 30 November 2026.
When is Plyno 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 8 November 2026, due by 8 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Plyno Ltd still trading?
Plyno 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 Plyno Ltd do?
Plyno Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Plyno Ltd?
Plyno Ltd was incorporated on 9 November 2025, less than a year ago.
What is the penalty if Plyno 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 Plyno 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.