There are lots of learning resources on the internet which you may find useful when you're at home with your children, and many companies are making resources free at the moment.  

Here are a few links:

Chatterpack Home Learning Resources List 

https://chatterpack.net/blogs/blog/resources-list-for-home-learning

Twinkl Home Learning Hub: 

https://www.twinkl.co.uk/home-learning-hub

Twinkl SEND School Closure Packs: 

https://www.twinkl.co.uk/search?term=send

Audible has free children's audiobooks while schools are closed: 

https://stories.audible.com/start-listen

There's lots on Facebook and other social media sites that may be helpful to you including local groups:

Lambeth ADHD Parent Support Group: https://www.facebook.com/groups/1179441825495785/

Lambeth Autism Group: https://www.facebook.com/groups/LambethAutismGroup/

SEN Talk Parent Support group: https://www.facebook.com/SENTalk.org/ 

LEAP (Lambeth Early Action Partnership): https://www.facebook.com/LEAPLambeth/

Contact: https://www.facebook.com/contactfamilies/

SOS SEN: https://www.facebook.com/SOSSpecialEducationalNeeds/

Special Needs Jungle: https://www.facebook.com/SpecialNeedsJungle/

The SEND Parents Handbook: https://www.facebook.com/thespecialparentshandbook/  

Sensory Stuck at Home: https://www.facebook.com/groups/sensorystuckathome