SIC code 43220
Plumbing, heat and air-conditioning installation
There are about 49,800 active UK companies registered under SIC code 43220 (Plumbing, heat and air-conditioning installation), as of October 2026.
Live figures, the full list, more filters, and CSV export.
On the register
Share of these companies on the live register, by status.
- Active 84%
- Proposal to strike off 14%
- In insolvency or administration 2%
New registrations
Companies registered each month, October 2025 – September 2026, that are still on the register. See registrations by month across all companies.
Show the figures
| Month | Companies |
|---|---|
| October 2025 | 562 |
| November 2025 | 555 |
| December 2025 | 428 |
| January 2026 | 667 |
| February 2026 | 615 |
| March 2026 | 823 |
| April 2026 | 751 |
| May 2026 | 576 |
| June 2026 | 594 |
| July 2026 | 730 |
| August 2026 | 604 |
| September 2026 | 680 |
Company age
How long the active companies have been registered.
- Under 1 year 15%
- 1–3 years 18%
- 3–5 years 14%
- 5–10 years 23%
- 10–20 years 20%
- 20 years or more 10%
Where they're registered
Active companies by postcode area of their registered office.
- Birmingham (B) 1,360
- East London (E) 939
- Sheffield (S) 907
- Portsmouth (PO) 873
- North London (N) 871
- Glasgow (G) 817
- Chelmsford (CM) 803
- Nottingham (NG) 763
- Southend-on-Sea (SS) 751
- Leicester (LE) 742
Note: Location figures use the registered office address from Companies House. Many companies register at an accountant's or formation agent's address, which may differ from where they trade.
Recently registered companies
Active companies recently registered under SIC code 43220.
| Company | Number | Registered | Town |
|---|---|---|---|
| EMERGENCY PLUMBING & ELECTRIC LTD | SC904733 | 2 Oct 2026 | Edinburgh |
| D.C PLUMBING/GAS LTD | 17496551 | 2 Oct 2026 | High Wycombe |
| SN GAS ENGINEER, GAS PLUMBING AND HEATING LTD | SC904712 | 2 Oct 2026 | Glasgow |
| AIRSPAN MECHANICAL LTD | 17496393 | 2 Oct 2026 | Ruislip, |
| NICOPLUMB LTD | 17496303 | 2 Oct 2026 | Romford |
| UTILITY RENEWABLES LIMITED | 17496301 | 2 Oct 2026 | Slough |
| ECLIPSE COMMISSIONING & MECHANICAL LTD | 17496282 | 2 Oct 2026 | Royston |
| BCKL CATERING LIMITED | 17496255 | 2 Oct 2026 | Gillingham |
| WHITEHOUSE PLUMBING & HEATING SUPPLIES LTD | 17496137 | 2 Oct 2026 | London |
| GAVIN TOLMIE GAS & HEATING SERVICES LTD | SC904693 | 2 Oct 2026 | Blairgowrie |
Related
- Part of the Construction industry group.
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Other construction SIC codes:
- 41100 – Development of building projects (109,000)
- 41202 – Construction of domestic buildings (92,800)
- 43999 – Other specialised construction activities n.e.c. (61,900)
- 43210 – Electrical installation (56,100)
- 43390 – Other building completion and finishing (54,900)
- 41201 – Construction of commercial buildings (39,900)
- 43290 – Other construction installation (37,200)
- 43320 – Joinery installation (22,400)
- All SIC codes
- SIC codes explained
- New Company Registrations
- New / Updated Officers
- Charges / Mortgages
- Officer Disqualifications
- Accounts (Assets)
- Insolvency Filings
- Company Officer Resignations
- Existing Company Changes
- In Liquidation
Data as of .