The free SEN resource for early years professionals and primary school teachers offers a number of observation sheets for individuals and groups.
Each sheet is offered as a blank and as a filled-in example
http://www.teachingexpertise.com/resources/sen-observation-recording-sheets-4151
SERC / Newbridge School
Barley Lane Campus, 258 Barley Lane
Goodmayes
Ilford, IG3 8XS
SERC is a service and information centre brought to you by Redbridge.