- Companies
- Cleaning companies
- Upminster
- Water Dynamics Support Services Ltd
Water Dynamics Support Services Ltd
- Company number
- 16670035
- Incorporated
- 25 Aug 20251 year trading
- Registered office
- 30 Coniston Avenue, Upminster, RM14 3XP
- Nature of business
- General cleaning of buildings; Window cleaning services
Water Dynamics Support Services Ltd is a 1-year-old private limited company registered in Upminster, company number 16670035, one of 35 cleaning companies in Upminster. Its next accounts are due at Companies House on 25 May 2027, and its first CT600 is due at HMRC on 24 August 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 Water Dynamics Support Services Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 3XP on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
Also registered at this address
1 other company uses the same registered office as Water Dynamics Support Services Ltd.
- Water Dynamics Property Solutions LtdCleaning companies
What happens if Water Dynamics Support Services 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 25 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 May 2027 to 25 Jun 2027 | £150 |
| 1 to 3 months late | 26 Jun 2027 to 25 Aug 2027 | £375 |
| 3 to 6 months late | 26 Aug 2027 to 25 Nov 2027 | £750 |
| More than 6 months late | From 26 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16670035
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2025 (1 year ago)
- Registered office
- 30 Coniston Avenue, Upminster, RM14 3XP
- Nature of business
- General cleaning of buildings (SIC 81210)
Window cleaning services (SIC 81221) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 8 April 2026
- Previous names
- Water Dynamics Cleaning Services Ltd (until 26 Sep 2025)
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Upminster
Other active cleaning companies registered in Upminster.
- Your Serve Ltd2026
- A Rolfe Window Cleaning Ltd2022
- Alchemy Flame Retardants Limited2025
- All Around Property Maintenance Limited2007
- Bobofresh Ltd2026
- Clean Essex Facilities and Management Ltd2021
- Cleanergold Ltd2025
- CLM Unique Services Limited2022
All cleaning companies in Upminster · All trades in Upminster · Cleaning companies across the UK
Frequently asked questions
When are Water Dynamics Support Services Ltd's accounts due?
Water Dynamics Support Services Ltd's next accounts are due at Companies House by 25 May 2027 (in 225 days), covering the period to 31 August 2026.
When is Water Dynamics Support Services 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 24 August 2026, due by 24 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Water Dynamics Support Services Ltd still trading?
Water Dynamics Support Services 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 Water Dynamics Support Services Ltd do?
Water Dynamics Support Services Ltd is registered under General cleaning of buildings (SIC 81210); Window cleaning services (SIC 81221).
How old is Water Dynamics Support Services Ltd?
Water Dynamics Support Services Ltd was incorporated on 25 August 2025, 1 year ago.
What is the penalty if Water Dynamics Support Services 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 Water Dynamics Support Services 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.