- Companies
- Plumbers and heating engineers
- London
- Walsden Water Works (Eco) Ltd
Walsden Water Works (Eco) Ltd
- Company number
- 16385073
- Incorporated
- 14 Apr 20251 year trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation
Walsden Water Works (Eco) Ltd is a 1-year-old private limited company registered in London, company number 16385073, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 14 January 2027, and its first CT600 is due at HMRC on 13 April 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 Walsden Water Works (Eco) Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Walsden Water Works (Eco) 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 14 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Jan 2027 to 14 Feb 2027 | £150 |
| 1 to 3 months late | 15 Feb 2027 to 14 Apr 2027 | £375 |
| 3 to 6 months late | 15 Apr 2027 to 14 Jul 2027 | £750 |
| More than 6 months late | From 15 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16385073
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2025 (1 year ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 April 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.
- Walsh & Son Limited2002
- Ward Home & Garden Maintenance Ltd2020
- Wardys Mechanical Ltd2020
- Wareham Gas Services Ltd.2016
- Warm Home London Ltd2023
- Warm Start Limited2011
- Warm Touch Heating Limited1999
- Warmax Ltd2013
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Walsden Water Works (Eco) Ltd's accounts due?
Walsden Water Works (Eco) Ltd's next accounts are due at Companies House by 14 January 2027 (in 93 days), covering the period to 30 April 2026.
When is Walsden Water Works (Eco) 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 13 April 2026, due by 13 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Walsden Water Works (Eco) Ltd still trading?
Walsden Water Works (Eco) 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 Walsden Water Works (Eco) Ltd do?
Walsden Water Works (Eco) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Walsden Water Works (Eco) Ltd?
Walsden Water Works (Eco) Ltd was incorporated on 14 April 2025, 1 year ago.
What is the penalty if Walsden Water Works (Eco) 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 Walsden Water Works (Eco) 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.