£46k
+42%vs Dec 2024ActiveSC383714Private limited companyAyr
DARWIN JOHNSTONE PLUMBING AND HEATING LTD
Significant control: Darwin Johnstone (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Darwin Johnstone Plumbing And 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
DARWIN JOHNSTONE PLUMBING AND HEATING LTD is an active private limited company (company number SC383714) incorporated on 16 August 2010, registered in Ayr. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £46k and cash of £38k, with 11 employees on average. Net assets rose 42% on the prior period (£33k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 6,191 comparable companies in Other (median £5,839, upper quartile £35k).
02
Ownership and control
- Mr Darwin Johnstone
- 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
- 16 August 201016 yrs ago
- Next accounts due
- 30 September 2027in 338 days
- Confirmation statement due
- 30 August 2027in 307 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
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£38k
−10%vs Dec 2024Not reported
11
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £46k | £38k | £60k | £77k | — | — | 11 |
| 31 December 2024 | £33k | £42k | £78k | £109k | — | — | 11 |
| 31 December 2023 | −£15k | £11k | £85k | £117k | — | — | 11 |
Current ratio1.47Current assets ÷ creditors within one year
Cash per employee£3,438Cash ÷ 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 £46,299 at 31 December 2025
- Net assets up 10% or more on the prior period+42.0% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 16 August 2010
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 338 days
- Confirmation statement duein 307 days
- Accounts period endNet assets £46k · small accounts
- Accounts period endNet assets £33k · small accounts
- Accounts period endNet liabilities £15k · small accounts
- Incorporated
08
Similar companies in the UK
- NCT PLUMBING & HEATING SERVICES LIMITEDPaignton · inc. Aug 2010
- D H PLUMBING & BATHROOMS LIMITEDLincoln · inc. Aug 2010
- DEANE KNIGHT PLUMBING AND HEATING LIMITEDSturminster Newton · inc. Aug 2010
- ECO-HEAT (SW) LIMITEDIvybridge · inc. Aug 2010
- THE WRIGHT PLUMBING AND HEATING (UK) LTDWrexham · inc. Aug 2010
- TOP GUN PLUMBING, HEATING & GAS LIMITEDHull · inc. Aug 2010
All companies incorporated on 16 August 2010 · in Aug 2010.
09
Reminders for DARWIN JOHNSTONE PLUMBING AND HEATING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.