UK SIC 2007 code in Section D: Electricity, gas, steam and air conditioning supply

35300 Steam and air conditioning supply

SIC 35300 is the UK code for steam and air conditioning supply. Companies House accepts it when you register a company or file a confirmation statement.

Code
35300 (UK SIC 2007, Companies House list)
Section
Section D: Electricity, gas, steam and air conditioning supply
Division
35 Electricity, gas, steam and air conditioning supply
SIC 2026
35.30 Steam and air conditioning supply (1:1)
Closest US NAICS
221330, 312113

Activities ONS lists under 35300

The ONS index assigns these 11 activities to this code. If one describes your company, this is the code to use.

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 (35.30) to:

SIC 2026 codeHeadingLink type
35.30Steam and air conditioning supply1:1

"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 35300 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.

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.

Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.