- Companies
- Plumbers and heating engineers
- London
- Hydro Master Plumbers Ltd
Hydro Master Plumbers Ltd
- Company number
- 16224349
- Incorporated
- 3 Feb 20251 year trading
- Registered office
- 3 Norfolk Avenue, London, N15 6JX
- Nature of business
- Plumbing, heat and air-conditioning installation
Hydro Master Plumbers Ltd is a 1-year-old private limited company registered in London, company number 16224349, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 3 November 2026, and its first CT600 is due at HMRC on 2 February 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Hydro Master Plumbers LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Hydro Master Plumbers Ltd is registered
The registered office is in London (N15), in the Haringey local authority area, London. Show N15 6JX on a map.
Other trade companies in N15
- Cleanport Services LtdCleaning companies
- Rozelle Cleaning LtdCleaning companies
- Hunt4Heating LtdPlumbers and heating engineers
- Clean Stitch LtdRepair services
- Watt Rite LtdElectricians
- Did-Fit LimitedPlasterers
- Arvin Cleaning Ltd LtdCleaning companies
- North London Building Control LimitedSpecialist contractors
Also registered at this address
9 other companies use the same registered office as Hydro Master Plumbers Ltd.
- A-K-E Construction LtdFinishing trades
- Antlow Properties LimitedProperty developers
- Lea Cars LtdMotor traders
- Mallay LtdGlaziers
- Pinnacle Roofers - Repairs LtdRoofers
- Pinnacle Roofers LtdRoofers
- Priton LimitedProperty developers
- Starphix LtdFinishing trades
- Z Rose Maintenance LtdFinishing trades
What happens if Hydro Master Plumbers 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 3 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Nov 2026 to 3 Dec 2026 | £150 |
| 1 to 3 months late | 4 Dec 2026 to 3 Feb 2027 | £375 |
| 3 to 6 months late | 4 Feb 2027 to 3 May 2027 | £750 |
| More than 6 months late | From 4 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16224349
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 February 2025 (1 year ago)
- Registered office
- 3 Norfolk Avenue, London, N15 6JX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 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.
- Hydro-Plumbing Ltd2018
- Hydro-Pol Ltd2025
- Hydrology Plumbing and Heating Limited2018
- Hydronic-Heating Ltd2017
- Hydrox Energy Ltd2026
- Hyland Plumbing Ltd2010
- I Need A Plumber Ltd2004
- I S Roberts Electrical Limited2014
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hydro Master Plumbers Ltd's accounts due?
Hydro Master Plumbers Ltd's next accounts are due at Companies House by 3 November 2026 (in 21 days), covering the period to 28 February 2026.
When is Hydro Master Plumbers 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 2 February 2026, due by 2 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hydro Master Plumbers Ltd still trading?
Hydro Master Plumbers 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 Master Plumbers Ltd do?
Hydro Master Plumbers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hydro Master Plumbers Ltd?
Hydro Master Plumbers Ltd was incorporated on 3 February 2025, 1 year ago.
What is the penalty if Hydro Master Plumbers 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 Master Plumbers 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.