£741k
−46%vs Mar 2024Active00750351Private limited companyHigh Wycombe
ISOTEMP(HEATING & VENTILATING)LIMITED
Significant control: Jack Robert Needham (25–50%), Ryan Lewin (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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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
ISOTEMP(HEATING & VENTILATING)LIMITED is an active private limited company (company number 00750351) incorporated on 15 February 1963, registered in High Wycombe. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 March 2025, showing net assets of £741k and cash of £424k, with 20 employees on average. Net assets fell 46% on the prior period (£1.36m).
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
- Jack Robert Needham
- owns 25–50% of shares
- holds 25–50% of voting rights
- Ryan Lewin
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Trevor Grace
- owns 25–50% of shares
- Paul Alexander Bolton
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 15 February 196363 yrs ago
- Next accounts due
- 31 December 2026in 66 days
- Confirmation statement due
- 1 March 2027in 126 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
- SmallCompanies Act thresholds
05
Financials
£424k
−44%vs Mar 2024Not reported
20
+18%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £741k | £424k | — | — | — | £214k | 20 |
| 31 March 2024 | £1.36m | £755k | — | — | — | £51k | 17 |
| 31 March 2023 | — | — | — | — | — | — | — |
Cash per employee£21kCash ÷ 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 £741,375 at 31 March 2025
- Net assets down 25% or more on the prior period-45.5% vs prior period
- Cash at bank of £50,000 or moreCash £424,411
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 15 February 1963
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 126 days
- Next accounts duein 66 days
- Accounts period endNet assets £741k · small accounts
- Accounts period endNet assets £1.36m · small accounts
- Accounts period end
- Incorporated
08
Similar companies in the UK
- NORFOLK HEATING LIMITEDNorwich · inc. May 1963
- DRUMMOND & MURRAY LIMITEDDumfriesshire · inc. Oct 1962
- UNIBAR PLUMBING & HEATING LIMITEDSt. Neots · inc. Aug 1962
- J.W.HOUSDEN LIMITEDGloucester · inc. Apr 1964
- IPSWICH INSULATIONS LIMITEDBentley Ipswich · inc. Nov 1961
- SPRAGUE & OUSELEY LIMITEDExeter · inc. Jul 1961
All companies incorporated on 15 February 1963 · in Feb 1963.
09
Reminders for ISOTEMP(HEATING & VENTILATING)LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.