- Companies
- Plumbers and heating engineers
- Windsor
- Waterworks Pros Limited
Waterworks Pros Limited
- Company number
- 17172674
- Incorporated
- 21 Apr 2026
- Registered office
- 17 Estuary House, Wye Avenue, Windsor, SL4 5GY
- Nature of business
- Plumbing, heat and air-conditioning installation
Waterworks Pros Limited is a newly incorporated private limited company registered in Windsor, company number 17172674, one of 24 plumbing and heating companies in Windsor. Its next accounts are due at Companies House on 21 January 2028, and its first CT600 is due at HMRC on 20 April 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 Waterworks Pros Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** M*** | Director | Apr 2026 |
Person with significant control
Where Waterworks Pros Limited is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5GY on a map.
Other trade companies in SL4
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- Time Watch Repair Watford LtdRepair services
- Mobile Tyre Services 24/7 LtdMechanics and garages
- Hullscrub Thames LtdCleaning companies
- Black Rose Automotive Group LtdMotor traders
- Maldec Hatchet Farm LimitedProperty developers
- Pinehill Homes Partnerships LtdProperty developers
- Heatsense Renewables LtdElectricians
What happens if Waterworks Pros 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 21 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jan 2028 to 21 Feb 2028 | £150 |
| 1 to 3 months late | 22 Feb 2028 to 21 Apr 2028 | £375 |
| 3 to 6 months late | 22 Apr 2028 to 21 Jul 2028 | £750 |
| More than 6 months late | From 22 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17172674
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2026
- Registered office
- 17 Estuary House, Wye Avenue, Windsor, SL4 5GY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (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 Windsor
Other active plumbing and heating companies registered in Windsor.
- Windsor & Eton Stoves Limited2012
- 247 Plumbing and Heating 1 Ltd2014
- Acf Services Ltd2016
- Artisan Plumbing and Heating (Surrey) Limited2025
- Delorange Ltd2007
- Edmonds & Sons Plumbing, Heating & Bathrooms Limited2026
- Environmental Control Partnership Limited1994
- F.C. Engineers Limited2008
All plumbing and heating companies in Windsor · All trades in Windsor · Plumbers and heating engineers across the UK
Frequently asked questions
When are Waterworks Pros Limited's accounts due?
Waterworks Pros Limited's next accounts are due at Companies House by 21 January 2028 (in 464 days), covering the period to 30 April 2027.
When is Waterworks Pros Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 April 2027, due by 20 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Waterworks Pros Limited still trading?
Waterworks Pros 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 Waterworks Pros Limited do?
Waterworks Pros Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Waterworks Pros Limited?
Waterworks Pros Limited was incorporated on 21 April 2026, less than a year ago.
Who runs Waterworks Pros Limited?
Waterworks Pros Limited has 1 active director, the longest-serving appointed in Apr 2026. Their names and service addresses are on the Companies House register.
Who owns Waterworks Pros Limited?
One person or company has significant control of Waterworks Pros Limited: an individual (owns 75% or more of the shares).
What is the penalty if Waterworks Pros 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 Waterworks Pros 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.