Below is a list of sites which you may find interesting. Please mention us if you contact any of the organisations.

General:
The Architects Journal: www.ajplus.co.uk
The RIBA Journal: www.ribajournal.com
Festival of Architecture: http://www.festivalofarchitecture.org/
Building Design Magazine: www.bdonline.co.uk
Architects For Aid : http://www.architectsforaid.org/ 

Professional Bodies:
The RIBA (Royal Institute of British Architects):
http://www.architecture.com/
http://www.riba.org/

The ARB (Architects Registration Board):
http://www.arb.org.uk