£60k
−33%vs Dec 2023Active04542410Private limited companyWaterlooville
S.E.A WINDOWS & DOORS LIMITED
Significant control: Brett Allen (25–50%), Stephen Edward Allen (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for S.E.A Windows & Doors Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does S.E.A Windows & Doors Limited sell?
Registered activity: Glazing (SIC 43342). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
S.E.A WINDOWS & DOORS LIMITED is an active private limited company (company number 04542410) incorporated on 23 September 2002, registered in Waterlooville. Its registered activity is glazing (SIC 43342). Latest small accounts cover the period ending 31 December 2024, showing net assets of £60k and cash of £202k, with 5 employees on average. Net assets fell 33% on the prior period (£91k).
Peer position · net assets
By net assets it sits in the top quarter of 104 comparable companies in Portsmouth (median £9,211, upper quartile £53k).
02
Ownership and control
- Mr Brett Allen
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Stephen Edward Allen
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
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
- 23 September 200224 yrs ago
- Next accounts due
- 30 September 202627 days overdue
- Confirmation statement due
- 7 October 2027in 345 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43342
- Glazing
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£202k
+16%vs Dec 2023Not reported
5
No changevs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £60k | £202k | £14k | — | — | — | 5 |
| 31 December 2023 | £91k | £175k | £41k | — | — | — | 5 |
Cash per employee£40kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £60,335 at 31 December 2024
- Net assets down 25% or more on the prior period-33.4% vs prior period
- Cash at bank of £50,000 or moreCash £202,448
- Incorporated five or more years agoIncorporated 23 September 2002
- Accounts past their due dateDue 30 September 2026
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
- Confirmation statement duein 345 days
- Next accounts due27 days overdue
- Accounts period endNet assets £60k · small accounts
- Accounts period endNet assets £91k · small accounts
- Incorporated
08
Similar companies in Portsmouth
- S.E.A. (MANUFACTURING) WINDOWS & DOORS LIMITEDWaterlooville · inc. Sept 2002
- WONDERFUL WINDOWS AND CONSERVATORIES LIMITEDRowlands Castle · inc. Dec 2002
- NA CURTAIN WALLING LIMITEDDenmead · inc. May 2002
- DESIGN A WINDOWS LIMITEDChichester · inc. Feb 2003
- CREST WINDOWS & CONSERVATORIES LIMITEDPortsmouth · inc. Apr 2002
- R & M WINDOWS LIMITEDVentnor · inc. Mar 2003
All companies incorporated on 23 September 2002 · in Sept 2002.
09
Reminders for S.E.A WINDOWS & DOORS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.