−£107k
vs Sept 2024Active05153325Private limited companyLondon
ZENON BUILDERS LIMITED
Significant control: Weronika Kaczmarczyk (25–50%), Zenon Kaczmarczyk (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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01
Summary
ZENON BUILDERS LIMITED is an active private limited company (company number 05153325) incorporated on 14 June 2004, registered in London. Its registered activity is construction of domestic buildings (SIC 41202). Latest small accounts cover the period ending 29 September 2025, showing net assets of −£107k and cash of £63, with 2 employees on average. Net assets fell 1% on the prior period (−£106k).
Peer position · net assets
By net assets it sits in the bottom quarter of 7,248 comparable companies in Greater London (median £2,424, upper quartile £19k).
02
Ownership and control
- Ms Weronika Kaczmarczyk
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Zenon Kaczmarczyk
- 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
- 14 June 200422 yrs ago
- Next accounts due
- 29 June 2027in 243 days
- Confirmation statement due
- 28 June 2027in 242 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41202
- Construction of domestic buildings
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£63
−35%vs Sept 2024Not reported
2
vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 29 September 2025 | −£107k | £63 | £0 | £115k | — | — | 2 |
| 29 September 2024 | −£106k | £97 | £1,000 | £107k | — | — | 0 |
Current ratio0Current assets ÷ creditors within one year
Cash per employee£32Cash ÷ 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 below zeroNet assets £-107,163 at 29 September 2025
- Current assets below creditors within one yearCurrent ratio 0.0
- Incorporated five or more years agoIncorporated 14 June 2004
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 243 days
- Confirmation statement duein 242 days
- Accounts period endNet liabilities £107k · small accounts
- Accounts period endNet liabilities £106k · small accounts
- Incorporated
08
Similar companies in Greater London
- P D B BUILDING SERVICES LTDEssex · inc. Jun 2004
- ST. MARK DEVELOPMENTS LIMITEDGreenford · inc. Jun 2004
- ALLWAYS PAVING LIMITEDEastcote · inc. Jun 2004
- CARRINGTON BROTHERS LIMITEDMiddlesex · inc. Jun 2004
- HMBS LIMITEDHornchurch · inc. Jun 2004
- BIG EYE ENGINEERING LIMITEDSurbiton · inc. May 2004
All companies incorporated on 14 June 2004 · in Jun 2004.
09
Reminders for ZENON BUILDERS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.