£520k
−28%vs Jun 2024Active03583574Private limited companyEastcote
CONTROL SYSTEMS INSTALLATIONS LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
CONTROL SYSTEMS INSTALLATIONS LIMITED is an active private limited company (company number 03583574) incorporated on 18 June 1998, registered in Eastcote. Its registered activity is other construction installation (SIC 43290). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £520k, with 4 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 28% on the prior period (£721k).
Peer position · net assets
By net assets it sits in the top quarter of 2,318 comparable companies in Greater London (median £4,861, upper quartile £35k).
02
Key dates
- Incorporated
- 18 June 199828 yrs ago
- Next accounts due
- 30 March 2027in 159 days
- Confirmation statement due
- 2 July 2027in 253 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 43290
- Other construction installation
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
4
+33%vs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £520k | — | — | — | — | — | 4 |
| 30 June 2024 | £721k | — | — | — | — | — | 3 |
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.
05
Filing and accounts signals
- Net assets above zeroNet assets £520,249 at 30 June 2025
- Net assets down 25% or more on the prior period-27.8% vs prior period
- Incorporated five or more years agoIncorporated 18 June 1998
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Mrs Catherine Victoria Duffy
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Denis Duffy
- owns 50–75% of shares
- holds 50–75% 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.
07
Timeline
- Confirmation statement duein 253 days
- Next accounts duein 159 days
- Accounts period endNet assets £520k · micro accounts
- Accounts period endNet assets £721k · micro accounts
- Incorporated
08
Similar companies in Greater London
- IMEDCO LIMITEDRadlett · inc. Jul 1998
- CLS ELECTRICAL LIMITEDEssex · inc. Jul 1998
- BAKERS INSULATIONS LTDLongfield · inc. Oct 1998
- SULLIVAN BROS. (CONSTRUCTION) LIMITEDGoffs Oak · inc. Nov 1998
- BRIDEN UNDERPINNING & PILING LIMITEDBeckenham · inc. Jan 1998
- CONSTRUCTION & SHOPFITTING LIMITEDHertfordshire · inc. Nov 1998
All companies incorporated on 18 June 1998 · in Jun 1998.
09
Reminders for CONTROL SYSTEMS INSTALLATIONS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.