Housing Development, Upper Caldecotte, Biggleswade - Code Level 5

Project Deatils

10 houses achieved a final rating of Code for Sustainable Homes level 5.

  • Client – Grand Union Housing
  • Architect – David Coles Architects
  • Contractor – VE Parrott (Oakley) Ltd

Key features

The development at Upper Caldecotte, Biggleswade is on target to achieve Code level 5 with a number of features including Photovoltaic panels, super insulated building envelope with excellent levels of air tightness, timber frame construction to reduce environmental impact of materials and high levels of daylight.



  • Exemplary service in every way. Prompt, polite, efficient and excellent value for money. In a world where one often gets the sense of being ripped off, Low Carbon Box are a fantastic exception and I could not recommend them more highly.

    Self Builder happy with Air Tightness Test