Posting your used Computers to us:

Pack your computer in a box
Add our address to the package
Take your package to the Post office (sending a computer by Standard Parcels costs £14.00)

Other options for larger quantities include:

(http://www.palletline.co.uk) Palletline, which costs: £60.00 GBP per pallet outside London and £80.00 inside London.
Fed Ex, UPS, Parcel2Go. We suggest that (http://www.parcel2go.com) Parcel2Go is the cheapest solution for larger parcels, costing approximately £10.00 GBP to ship a parcel to us.

Posting your Hard drive to us:

If you want to send us just your hard drive for Data Destruction, please send it recorded delivery via Royal Mail, enclosing a cheque for £3.50 and your details (an email is preferable) so that we can send you a data destruction certificate upon completion.

Our Address:

Unit 5, Lakeside Business Units
Block Fen
Mepal
Cambridge
CB6 2AY