CONSTANT AIR SYSTEMS LIMITED
Company number 00836280 · Monitor this company
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Shareholders' funds
£4,952,682
Balance sheet as at 2026-01-31
What it does
The principal activity of the company and the group continues to be that of engineers, contractors and designers in the air conditioning, ventilation and heating industry. The company also holds a small stock of residential flats that are held for re-sale.
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1965-02-02
- Employees
- 65 (2026 accounts · was 70 in 2025)
- Registered office
- Unit 4 Crest Distribution Park, Crest Road, High Wycombe, Bucks, England, HP11 1WT
- Postcode
- HP11 1WT
- Capital
- 50,000 GBP
- Accounts category
- Group
- Charges
- 6 outstanding
Accounts
- Last made up to
- 2026-01-31
- Next due by
- 2027-10-31
- Financial year end
- 31 January
Confirmation statement
- Last statement dated
- 2026-07-20
- Next due by
- 2027-08-03
Nature of business (SIC)
- 43220 Plumbing, heat and air-conditioning installation
Officers 9 current · 8 resigned
Group structure 3 subsidiaries
From persons-with-significant-control filings on the public register.
Public contracts won 2
£1,665,786 total awarded value where published.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Licensed visa sponsor
Licensed by the Home Office to sponsor worker visas: Skilled Worker (Worker (A rating)).
Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.
Data protection registration
Registered with the ICO as a data protection fee payer — ZA383999 (Tier 2), registered since 2018.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Contact details
- Website
- constantair.co.uk
- Phone
- 01494469529
COnstant air provide off site Prefabricated packaged plant rooms and skid solutions. Manufacturers, Service and Repair
Previous registered addresses 2
| Address | Changed on |
|---|---|
| CAS HOUSE, HILLBOTTOM ROAD SANDS, INDUSTRIAL ESTATE HIGH WYCOMBE, BUCKINGHAMSHIRE, HP12 4HJ | 2015-05-01 |
| RAEBARM HOUSE, NORTHOLT ROAD, SOUTH HARROW, MIDDX HA2 0DY | 2002-03-18 |
Among its peers
Top 1%
by shareholders' funds, of 369 similar companies in HP
2nd largest employer among its local peers (65 staff).
2nd oldest of its local peers, trading since 1965.
No.1 of the largest plumbing, heat and air-conditioning installation companies in High Wycombe →
Competitors High Wycombe
This company ranks 1 among plumbing, heat and air-conditioning installation in High Wycombe.
Property in England & Wales 3 titles
- Freehold
- 1
- Leasehold
- 2
- Most recent registration
- 2025-08-27
- Where
- Buckinghamshire (3)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| BM482456 | Buckinghamshire | Leasehold | 2025-08-27 | — |
| BM400459 | Buckinghamshire | Leasehold | 2015-10-05 | — |
| BM315709 | Buckinghamshire | Freehold | 2006-09-18 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.
Businesses that transport or deal in waste must register with the Environment Agency. You can check this company on the official register of waste carriers, brokers and dealers.