UK SIC 2007 code in Section F: Construction
42210 Construction of utility projects for fluids
SIC 42210 is the UK code for construction of utility projects for fluids. Companies House accepts it when you register a company or file a confirmation statement.
- Code
- 42210 (UK SIC 2007, Companies House list)
- Section
- Section F: Construction
- Division
- 42 Civil engineering
- SIC 2026
- 42.21 Construction of utility projects for fluids (1:1)
- Closest US NAICS
- 237110, 237120, 237130
Activities ONS lists under 42210
The ONS index assigns these 19 activities to this code. If one describes your company, this is the code to use.
- Artesian well contractor
- Construction of civil engineering constructions for long-distance and urban pipelines
- Construction of irrigation systems (canals)
- Construction of pumping stations
- Construction of sewage disposal plants
- Construction of sewer systems
- Gas offshore pipeline laying
- Installation of offshore pipelines from oil or gas wells
- Irrigation system construction
- Offshore oil pipeline laying
- Pipeline construction
- Pipeline contracting
- Repair of sewer systems
- Reservoir construction
- Sewerage construction
- Urban pipelines construction
- Water main and line construction
- Water treatment plant construction
- Water well drilling
Source: ONS UK SIC 2007 alphabetical index.
What changes in SIC 2026
ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (42.21) to:
| SIC 2026 code | Heading | Link type |
|---|---|---|
| 42.21 | Construction of utility projects for fluids | 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 42210 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.