£2.81m
+27%vs Jan 2025Active00836280Private limited companyHigh Wycombe
CONSTANT AIR SYSTEMS LIMITED
Significant control: Richard Thomas Roberts (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Constant Air Systems Limited 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
CONSTANT AIR SYSTEMS LIMITED is an active private limited company (company number 00836280) incorporated on 2 February 1965, registered in High Wycombe. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest group accounts cover the period ending 31 January 2026, showing net assets of £2.81m and cash of £2.99m, with 35 employees on average. Net assets rose 27% on the prior period (£2.21m).
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 Richard Thomas Roberts
- owns 25–50% of shares
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
- 2 February 196561 yrs ago
- Next accounts due
- 31 October 2027in 370 days
- Confirmation statement due
- 16 February 2027in 113 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
- Group
- Size band
- SmallCompanies Act thresholds
05
Financials
£2.99m
−1%vs Jan 2025Not reported
35
No changevs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £2.81m | £2.99m | £1.50m | £1.37m | — | £334k | 35 |
| 31 January 2025 | £2.21m | £3.02m | £1.17m | £1.29m | — | £742k | 35 |
| 31 January 2024 | — | — | — | — | — | — | — |
Current ratio3.81Current assets ÷ creditors within one year
Cash per employee£86kCash ÷ 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 £2,811,616 at 31 January 2026
- Net assets up 10% or more on the prior period+27.2% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 3.81
- Cash at bank of £50,000 or moreCash £2,993,101
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 2 February 1965
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 370 days
- Confirmation statement duein 113 days
- Accounts period endNet assets £2.81m · group accounts
- Accounts period endNet assets £2.21m · group accounts
- Accounts period end
- Incorporated
08
Similar companies in the UK
- HEAT RADIATION LIMITEDTaunton · inc. Jan 1965
- N.A. GUPPY LIMITEDExeter · inc. Mar 1965
- HEATING AND PIPEWORK INSTALLATIONS (STAFFS) LIMITEDStoke On Trent · inc. Apr 1965
- ROBERT J. DUTTON LIMITEDBury St. Edmunds · inc. Oct 1965
- J.W.HOUSDEN LIMITEDGloucester · inc. Apr 1964
- NORFOLK HEATING LIMITEDNorwich · inc. May 1963
All companies incorporated on 2 February 1965 · in Feb 1965.
09
Reminders for CONSTANT AIR SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.