£575
−40%vs Nov 2024Active08787083Private limited companyBirmingham
LOCK ENVIRONMENTAL LIMITED
Significant control: Peter Royston Lock (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
LOCK ENVIRONMENTAL LIMITED is an active private limited company (company number 08787083) incorporated on 22 November 2013, registered in Birmingham. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest small accounts cover the period ending 30 November 2025, showing net assets of £575 and cash of £35, with 2 employees on average. Net assets fell 40% on the prior period (£965). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the lower half of 1,526 comparable companies in Birmingham (median £6,955, upper quartile £59k).
02
Ownership and control
- Mr Peter Royston Lock
- has significant influence or control
- Mr Peter Royston Lock
- owns 75–100% of shares
- Mrs Rebecca Marie Elisabeth Lock
- owns 75–100% of shares
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
- 22 November 201312 yrs ago
- Next accounts due
- 30 August 2027in 311 days
- Confirmation statement due
- 6 December 2026in 44 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£35
−99%vs Nov 2024Not reported
2
No changevs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £575 | £35 | £51k | £55k | — | — | 2 |
| 30 November 2024 | £965 | £6,250 | £28k | £38k | — | — | 2 |
| 30 November 2023 | £348 | £39 | £18k | £25k | — | — | 2 |
Current ratio0.92Current assets ÷ creditors within one year
Cash per employee£18Cash ÷ 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 £575 at 30 November 2025
- Net assets down 25% or more on the prior period-40.4% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.92
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 22 November 2013
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 311 days
- Confirmation statement duein 44 days
- Accounts period endNet assets £575 · small accounts
- Accounts period endNet assets £965 · small accounts
- Accounts period endNet assets £348 · small accounts
- Incorporated
08
Similar companies in Birmingham
- DRAINAGE & CONSTRUCTION SERVICES LIMITEDCannock · inc. Nov 2013
- RED ROCK CONSULTANTS (HOLDINGS) LIMITEDDudley · inc. Nov 2013
- DELUX BATHROOMS LIMITEDBirmingham · inc. Nov 2013
- CPL GROUNDWORKS LIMITEDSolihull · inc. Nov 2013
- 1ST IN ENERGY LIMITEDBirmingham · inc. Nov 2013
- RE-SIGNALLING LIMITEDStourbridge · inc. Dec 2013
All companies incorporated on 22 November 2013 · in Nov 2013.
09
Reminders for LOCK ENVIRONMENTAL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.