help with a 14 day travel itenary in uk

hi all,

I, my husband and 8-year-old daughter are planning a 14 day UK trip in July. it's our first-time visit. other than London which is the second best place to visit? No much idea about how to plan the itinerary. What will be the climate? We will be staying in London for 6 days.My husband will be on his official work for first days so I and my daughter are planning for sightseeing for the first 5 days.please help me with a 5 day itinerary in london and a 4 day itinerary in Scotland. thanks in advance