£285k
+26%vs Dec 2023Active04595024Private limited companyMerthyr Tydfil
DOWLAIS HEATING LTD
Significant control: Zos Holdings Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Dowlais Heating 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
DOWLAIS HEATING LTD is an active private limited company (company number 04595024) incorporated on 19 November 2002, registered in Merthyr Tydfil. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 December 2024, showing net assets of £285k, 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 26% on the prior period (£227k).
Peer position · net assets
By net assets it sits in the top quarter of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).
02
Ownership and control
- Zos Holdings Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- Mr Martin John Sullivan
- can appoint or remove directors
- Mr Christopher Daniel Sullivan
- 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
- 19 November 200223 yrs ago
- Next accounts due
- 30 September 202623 days overdue
- Confirmation statement due
- 3 December 2026in 41 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
+100%vs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £285k | — | — | — | — | — | 2 |
| 31 December 2023 | £227k | — | — | — | — | — | 1 |
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 £285,308 at 31 December 2024
- Net assets up 10% or more on the prior period+25.8% vs prior period
- Incorporated five or more years agoIncorporated 19 November 2002
- Accounts past their due dateDue 30 September 2026
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 41 days
- Next accounts due23 days overdue
- Accounts period endNet assets £285k · micro accounts
- Accounts period endNet assets £227k · micro accounts
- Incorporated
08
Similar companies in Cardiff
- STOUR VALLEY HEATING & DOMESTIC SERVICES LIMITEDCardiff · inc. Nov 2002
- CELTIC PLUMBING AND HEATING LTDPenarth · inc. Dec 2002
- A J FOUWEATHER HEATING & PLUMBING LTDNewport · inc. Dec 2002
- A J MECHANICAL & ELECTRICAL SERVICES LIMITEDBridgend · inc. Oct 2002
- CLASSIC FIRES & BATHROOMS LIMITEDNewport · inc. Oct 2002
- K. JENNICK LIMITEDNelson · inc. Sept 2002
All companies incorporated on 19 November 2002 · in Nov 2002.
09
Reminders for DOWLAIS HEATING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.