What Castle Electrodes say about themselves
“Specialist manufacturer of cathodic protection reference electrodes for concrete, marine and steel. MnO2, Ag/AgCl and MMO/Ti types. ISO 12696:2022 compliant.”
Castle Electrodes Limited
- Incorporated
- 21 March 1994 (32 years)
- Industry
- Other manufacturing n.e.c. (32990)
- Directors
- William Peter DrewettAlexander John DrewettLorraine Drewett
- Owned by
- William Peter DrewettAlexander Drewett
- Accounts type
- Micro entity
- Region
- South East
- Address
- Ann Duels HouseHolyport Street HolyportBerkshireSL6 2JR
Website & contact details
- Website
Filing status
- Accounts due
- 31 December 2027
- Last accounts
- 31 March 2026
- Conf. stmt due
- 1 December 2026
- Last conf. stmt
- 17 November 2025
Officers 4 active
Officer details are public data from the Companies House register.
Drewett, William Peter
Director · Appointed 23 March 2009
British
Born October 1990 (36)
Drewett, Alexander John, Dr
Director · Appointed 23 May 2006
British
Born October 1986 (40)
Drewett, Lorraine
Secretary · Appointed 23 March 1994
English
Drewett, Lorraine
Director · Appointed 23 March 1994
English
Born February 1960 (66)
Officer history (4 former)
23 March 2009
Appointed Drewett, William Peter as Director
23 May 2006
Appointed Drewett, Alexander John, Dr as Director
31 March 2006
Resigned Brearley, Kenneth as Director
19 July 1994
Appointed Brearley, Kenneth as Director
19 July 1994
23 March 1994
Appointed Drewett, Lorraine as Secretary
23 March 1994
Appointed Drewett, Lorraine as Director
23 March 1994
23 March 1994
23 March 1994
21 March 1994
21 March 1994
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
William Peter Drewett
Individual · Notified 14 November 2025
Owns 25–50% of shares
Holds 25–50% of voting rights
Right to appoint and remove directors
British
Born October 1990 (36)
Alexander Drewett
Individual · Notified 14 November 2025
Owns 25–50% of shares
Holds 25–50% of voting rights
Right to appoint and remove directors
British
Born October 1986 (40)
Former controllers (1)
14 November 2025
Ceased Lorraine Drewett — Owns 75–100% of shares
Financials
Figures from 2025 accounts. Newer accounts, made up to 31 March 2026, are filed but not read yet. See them on Companies House
- Net Assets
- £204,819
- Employees
- 1
- Debt Ratio
- 10%
- Current Ratio
- 9.6x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £9,676 | £7,568 | £7,231 | £4,882 | £430 | £838 |
| Current Assets | £218,430 | £183,603 | £167,999 | £169,847 | £157,090 | £121,276 |
| Creditors (< 1 year) | £22,810 | £16,851 | £16,316 | £20,271 | £24,032 | £13,880 |
| Net Current Assets | £195,893 | £166,752 | £151,683 | £149,576 | £133,058 | £107,396 |
| Net Assets | £204,819 | £108,234 | ||||
| Shareholder Funds | £204,819 | £174,320 | £158,914 | £154,458 | £133,488 | £108,234 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 11 September 2026 | Micro company accounts | 31 March 2026 |
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