Considerate Constructors Scheme updates model to percentage-based scoring system

By Sophie Bullimore | Published: 22-May-2026

The not-for-profit organisation that independently scores working standards in construction projects has made some key updates to its model

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Considerate Constructors Scheme (CCS) has today launched a strengthened, modernised checklist and scoring model.

The CCS is an independent, not-for-profit UK and Ireland initiative that aims to improve construction working standards by independently monitoring and scoring sites.

Registered sites, companies, and suppliers voluntarily commit to adhering to the Code of Considerate Practice, which ensures they respect the community, protect the environment, and value their workforce.

The organisation says that this model for participants should introduce "a clearer and more consistent framework for assessing responsible construction" across the UK and Ireland. 

This evolution of the checklist has been guided by extensive consultation with contractors, monitors, clients and subject matter experts.

This version was then further strengthened through testing with a pilot project.

The outcome is a finalised model that introduces 24 defined themes aligned to CCS’s three pillars of "|Community, Environment and Workforce". 

The new model replaces the former 27‑question structure and adopts a percentage‑based scoring system, ensuring equal weighting across all three areas and enabling greater transparency, consistency and comparability across construction sites of all types and sizes. More than 7,300 sites are assessed under the Scheme each year.  

From 5 May 2026, CCS’s nationwide network of monitors will begin using the updated Code and Checklist, supported by a refreshed digital ecosystem designed to make participation clearer, simpler and more impactful. 

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