−£196k
vs Oct 2024Active07052079Private limited companyNewquay
WATER WINDOW LIMITED
Significant control: Christopher Mark Mann (significant control), Lynne Maureen Mann (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
WATER WINDOW LIMITED is an active private limited company (company number 07052079) incorporated on 21 October 2009, registered in Newquay. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 31 October 2025, showing net assets of −£196k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 79% on the prior period (−£110k).
Peer position · net assets
By net assets it sits in the bottom quarter of 631 comparable companies in Other (median £700, upper quartile £44k).
02
Ownership and control
- Dr Christopher Mark Mann
- has significant influence or control
- Mrs Lynne Maureen Mann
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 21 October 200917 yrs ago
- Next accounts due
- 31 July 2027in 281 days
- Confirmation statement due
- 4 November 2026in 12 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | −£196k | — | — | — | — | — | 2 |
| 31 October 2024 | −£110k | — | — | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets below zeroNet assets £-196,132 at 31 October 2025
- Net assets down 25% or more on the prior period-78.6% vs prior period
- Incorporated five or more years agoIncorporated 21 October 2009
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 281 days
- Confirmation statement duein 12 days
- Accounts period endNet liabilities £196k · micro accounts
- Accounts period endNet liabilities £110k · micro accounts
- Incorporated
08
Similar companies in the UK
- BILL WATTS BUILDING INNOVATION LTDBerkhamsted · inc. Oct 2009
- SUPERVAWT LTDCalne · inc. Oct 2009
- SCOUTEK LTDDarlington · inc. Sept 2009
- BLUE PLANET HYDROGEN LTDGloucester · inc. Nov 2009
- COAST GEOSCIENCE LIMITEDDorset · inc. Dec 2009
- JET PROPULSION SYSTEMS LTDTewkesbury · inc. Sept 2009
All companies incorporated on 21 October 2009 · in Oct 2009.
09
Reminders for WATER WINDOW LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.