UK SIC 2007 code in Section F: Construction
43220 Plumbing, heat and air-conditioning installation
SIC 43220 is the UK code for plumbing, heat and air-conditioning installation. Companies House accepts it when you register a company or file a confirmation statement.
- Code
- 43220 (UK SIC 2007, Companies House list)
- Section
- Section F: Construction
- Division
- 43 Specialised construction activities
- SIC 2026
- 43.22 Plumbing, heat and air-conditioning installation (1:1)
- Closest US NAICS
- 238220
Activities ONS lists under 43220
The ONS index assigns these 34 activities to this code. If one describes your company, this is the code to use.
- Air conditioning contracting
- Heat and air-conditioning installation
- Heating and plumbing contracting
- Heating engineering (buildings)
- Heating service contracting
- Hot water engineer
- Installation of air conditioning equipment and ducts
- Installation of air conditioning plant
- Installation of coldrooms
- Installation of cooling towers
- Installation of duct work
- Installation of electrical heating systems (except baseboard heating)
- Installation of fire sprinkler systems
- Installation of furnaces
- Installation of gas fittings
- Installation of gas heating systems
- Installation of gas meters
- Installation of heat exchanger systems
- Installation of heating and ventilation apparatus
- Installation of lawn sprinkler systems
- Installation of non-electric solar energy collectors
- Installation of oil heating systems
- Installation of plumbing
- Installation of refrigeration
- Installation of sanitary equipment
- Installation of sprinkler systems
- Installation of steam piping
- Installation of ventilation
- Plumbing contractor
- Repair and maintenance of domestic air conditioning
- Repair and maintenance of domestic boilers
- Repair and maintenance of non-domestic central heating boilers (manufacture)
- Repair and maintenance of office, shop and computer centre air conditioning
- Sanitary engineering for buildings
Source: ONS UK SIC 2007 alphabetical index.
Businesses that use this code
What changes in SIC 2026
ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (43.22) to:
| SIC 2026 code | Heading | Link type |
|---|---|---|
| 43.22 | Plumbing, heat and air-conditioning installation | 1:1 |
"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 43220 until it announces a switch.
Closest US NAICS codes
Matched through the shared international class (ISIC Rev. 4). Treat these as a starting point and read the definition before using one.
Similar codes to compare
Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.