5 steps for Including the Ladder in tenders
FAQ
1. Integrate into Policy
Add CO₂ reduction to your policy framework, and assess each tender to see if using the CO₂ Performance Ladder is beneficial.
2. Prepare Tender Documents
Include the CO₂ Performance Ladder criteria and set the award advantage amount.
3. Award Advantage
Provide bidders with an award advantage matching their ambition level and select the best Price-Quality Ratio offer.
4. Project Execution
Ensure the contractor operates at the agreed ambition level and keeps a project file.
5. Verify Ambition Level
Obtain certification from an external body to confirm that the contractor meets the agreed ambition level.
How does procurement with the Ladder work exactly?
Harness the power of procurement
Do you want to start using the CO₂ Performance Ladder as a procurement instrument? Download Procurement Guide 3.1 or view our advice on tendering with Ladder 4.0.
Procurement Guide 3.1 Transition to 4.0Blogs
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- Blog
All about Step 1 of CO₂ Performance Ladder 4.0: reducing CO₂ within your organisation
The five levels of the CO2 Performance Ladder are giving way to three steps in version 4.0. The first step – Step 1 – focuses on CO2 reduction within your own organisation. In this blog, we explain what Step 1 means, how the requirements of version 4.0 have changed compared…

- Blog
Is it the CO₂, C02, CO² or the CO₂ Performance Ladder?
The CO₂ Performance Ladder helps organisations map their CO2 emissions and then reduce C02 emissions. Or wait, was it CO2 after all? ‘Surely they should just know that over there at SKAO!’ we hear you think! ‘Or can’t they see the wood for the CO(222?) absorbing trees?’ April fools! Of…