List of suppliers and installers

Green building services

• Parity Projects (based in Surrey; 30 mins train ride from Peckham)

Suppliers of Insulation

Cheap "seconds"

• http://seconds.co.uk/  ~£40 for delivery to Peckham
• http://www.aandainsulationservices.com/ ~£30 for delivery to Peckham

Some example prices for "seconds" insulation:

• 50mm rigid foam insulation, foil faced, 2400mm x 1200mm = £12.00
• 100mm rigid foam insulation, foil faced, 2400mm x 1200mm = £23.00
• 70mm rigid foam insulation, laminated to plasterboard, 2400mm x 1200mm = £28.00