Just found this on Cerebra website
Footwear For Special Needs: British Footwear Association, 5 Portland Place, London, W1B 1PW, T/F: 0207 580 8687, E-MAIL: [email protected]
Directory of 120 suppliers of footwear for special needs, £ 3.00 from address above.
Gilbert & Mellish Ltd: 3 Lightning Way, West Heath, Birmingham, B31 3PH, T: 0121 475 1101, F: 0121 478 0163
Splints and other orthotics. UK distributors for Piedro boots.
Prescription Footwear Associates Ltd: PFA House, Lake Lane, Barnham, Bogner Regis, West Sussex, PO22 0JB, T: 01243 554407, F: 01243 554407, E-MAIL: [email protected]
Bespoke orthotics and footwear.
Not sure if its any help though. :)