UK SIC 2007 code in Section F: Construction

41100 Development of building projects

SIC 41100 is the UK code for development of building projects. Companies House accepts it when you register a company or file a confirmation statement.

Code
41100 (UK SIC 2007, Companies House list)
Section
Section F: Construction
Division
41 Construction of buildings
SIC 2026
68.12 Development of building projects (1:1)

Activities ONS lists under 41100

The ONS index assigns these 9 activities to this code. If one describes your company, this is the code to use.

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 (41.10) to:

SIC 2026 codeHeadingLink type
68.12Development of building projects1:1

"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 41100 until it announces a switch.

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

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