This site is old and no longer updated and yet there's so much still available, from language learning to BBC Bitesize for revision. No TV licence required except for content on BBC iPlayer.
Oxford Owl for Home
Lots of free resources for Primary age
Learn computer programming skills - fun and free.
Creative computer programming
All sorts of engaging educational videos
National Geographic Kids
Activities and quizzes for younger kids.
Learn languages for free. Web or app.
Free science lessons
The Kids Should See This
Wide range of cool educational videos
Listening activities for the younger ones.
A lot of these can be done in a garden, or if you can get to a remote forest location!
Red Ted Art
Easy arts and crafts for little ones
DK Find Out
Activities and quizzes
This is more for printouts, and usually at a fee, but they are offering a month of free access to parents in the event of school closures.
A partnership with the Premier League featuring fun videos to help children get active.
Mathematics, English, Science and more! A comprehensive program of online educational activities for students aged 4 to 12, mapped to the curriculum.
White Roase Maths