£16k
+7%vs Jan 2025Active07485319Private limited companyWinchester
J D SYSTEMS (SOUTH) LTD
Significant control: Courtenay James Mann (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 J D Systems (South) 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
J D SYSTEMS (SOUTH) LTD is an active private limited company (company number 07485319) incorporated on 7 January 2011, registered in Winchester. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 January 2026, showing net assets of £16k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 7% on the prior period (£15k).
Peer position · net assets
By net assets it sits in the upper half of 339 comparable companies in Southampton (median £5,929, upper quartile £30k).
02
Ownership and control
- Mr Courtenay James Mann
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 7 January 201115 yrs ago
- Next accounts due
- 31 October 2027in 369 days
- Confirmation statement due
- 21 January 2027in 86 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
2
No changevs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £16k | — | — | — | — | — | 2 |
| 31 January 2025 | £15k | — | — | — | — | — | 2 |
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 above zeroNet assets £16,169 at 31 January 2026
- Incorporated five or more years agoIncorporated 7 January 2011
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 369 days
- Confirmation statement duein 86 days
- Accounts period endNet assets £16k · micro accounts
- Accounts period endNet assets £15k · micro accounts
- Incorporated
08
Similar companies in Southampton
- DIZ GAS LTDSouthampton · inc. Jan 2011
- T H T LTDWinchester · inc. Jan 2011
- SUITABLE HEATING SOLUTIONS LIMITEDSouthampton · inc. Nov 2010
- BAYFORD PLUMBING AND HEATING LTDEastleigh · inc. Feb 2011
- R S MECHANICAL & ELECTRICAL LIMITEDSouthampton · inc. Mar 2011
- BRAESIDE PROPERTY SERVICES LIMITEDSouthampton · inc. Sept 2010
All companies incorporated on 7 January 2011 · in Jan 2011.
09
Reminders for J D SYSTEMS (SOUTH) LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.