The 'Family Information Service' run by Surrey County Council is an excellent place to search for ideas of places to take your children and also activities to do with your children. For example playgrounds, zoos, skate parks, parks etc.
A guide to what to expect in terms of your child's development and when they might achieve things can be downloaded here.
To find out things to do with your child to help their brain development
For lots of ideas on things to do with your children to help them development in all areas, have a look at the following websites. You can download a variety of pdf documents from them as well as looking at ideas online.
St. Paul's Children's Centre are keen to support all families alongside Surrey County Council
Please see www.surreylocaloffer.org.uk to access a comprehensive website for all information and services for young people (0-25) in Surrey with special educational needs and disabilities (SEND) and their families. The website has information on Autism, Childcare, Education, EHC plans, Safety, Finance, Health issues, Support groups, Leisure activities and Preparing for Adulthood.
Please also see our page on Nursery and Pre-school, which will give you some ideas of local provision for your child.