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- Hydro-Pol Ltd
Company profile · Plumbers and heating engineers
Hydro-Pol Ltd
Hydro-Pol Ltd is a 1-year-old private limited company registered in London, company number 16561806, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 5 April 2027, and its first CT600 is due at HMRC on 4 July 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 Hydro-Pol Ltd is registered
The registered office is in London (SE4), in the Lewisham local authority area, London. Show SE4 1HT on a map.
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What happens if Hydro-Pol 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 5 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Apr 2027 to 5 May 2027 | £150 |
| 1 to 3 months late | 6 May 2027 to 5 Jul 2027 | £375 |
| 3 to 6 months late | 6 Jul 2027 to 5 Oct 2027 | £750 |
| More than 6 months late | From 6 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16561806
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2025 (1 year ago)
- Registered office
- 139 Foxborough Gardens, London, SE4 1HT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 July 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.
- Hydrology Plumbing and Heating Limited2018
- Hydronic-Heating Ltd2017
- Hydrox Energy Ltd2026
- Hyland Plumbing Ltd2010
- I Need A Plumber Ltd2004
- I S Roberts Electrical Limited2014
- I Star Maintenance Ltd2016
- I-M Homepro Ltd2016
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hydro-Pol Ltd's accounts due?
Hydro-Pol Ltd's next accounts are due at Companies House by 5 April 2027 (in 175 days), covering the period to 31 July 2026.
When is Hydro-Pol 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 4 July 2026, due by 4 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hydro-Pol Ltd still trading?
Hydro-Pol 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 Hydro-Pol Ltd do?
Hydro-Pol Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hydro-Pol Ltd?
Hydro-Pol Ltd was incorporated on 5 July 2025, 1 year ago.
What is the penalty if Hydro-Pol 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 Hydro-Pol 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.