−£7,377
vs Mar 2024Active10339198Private limited companyCaerphilly
CASTLE MECHANICAL SERVICES LTD
Significant control: Kay Andrea Richards (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Castle Mechanical Services Ltd sell?
Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CASTLE MECHANICAL SERVICES LTD is an active private limited company (company number 10339198) incorporated on 22 August 2016, registered in Caerphilly. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£7,377, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 80% on the prior period (−£4,102).
Peer position · net assets
By net assets it sits in the bottom quarter of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).
02
Ownership and control
- Mrs Kay Andrea Richards
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- has significant influence or control
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 August 201610 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 5 September 2027in 317 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£7,377 | — | — | — | — | — | 0 |
| 31 March 2024 | −£4,102 | — | — | — | — | — | 0 |
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.
06
Filing and accounts signals
- Net assets below zeroNet assets £-7,377 at 31 March 2025
- Net assets down 25% or more on the prior period-79.8% vs prior period
- Incorporated five or more years agoIncorporated 22 August 2016
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 317 days
- Next accounts duein 69 days
- Accounts period endNet liabilities £7,377 · micro accounts
- Accounts period endNet liabilities £4,102 · micro accounts
- Incorporated
08
Similar companies in Cardiff
- GALAXY PLUMBING AND PROPERTY MAINTENANCE LTDMerthyr Tydfil · inc. Aug 2016
- PIPZ PLUMBING AND HEATING LTDCardiff · inc. Sept 2016
- FREEFLOW VENTILATION LTDCardiff · inc. Jul 2016
- ZEMEX LTDCardiff · inc. Jul 2016
- MAYS PGS LIMITEDCardiff · inc. Jul 2016
- ADVANCE ENERGY SERVICES LTDLlanishen · inc. Oct 2016
All companies incorporated on 22 August 2016 · in Aug 2016.
09
Reminders for CASTLE MECHANICAL SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.