Hi sisses, please help with our London itinerary for Oct 19 - 24

I'm travelling with my mom and aunt.
Initially DIY lang ang plan ko but nabasa ko may mga nag SANDEMAN tours here. Avail na lang din namin para guided ang tour. Kaya kaya ang 3 hours of walking? Separate days ko siya ginawa kasi nakakapagod.
Oct 19 6:20am arrival
Go to Covent Garden for
Sandeman Free Tour @ 11am or 2pm (tour lasts for 2.5 hours)
Buckingham Palace
Churchill’s War Cabinet Bunker
The Houses of Parliament
St. Martin-in-the-Fields
Westminster Abbey
Trafalgar Square
Nelson's Column
St. James’s Park
10 Downing St.
Horseguards
Big Ben
Since 11am ang Horse Guards Parade, hindi na namin maaabutan.
Oct 20
Go to Covent Garden for
Sandeman Old City Tour, EUR 16 @ 3:30pm (tour lasts for 2.5-3 hours)
St. Paul’s Cathedral
London Bridge
Shakespeare’s Globe Theater
Millennium Bridge (The wobbly bridge)
The Church of the Knights Templar (of Da Vinci Code fame!)
The Monument
The Tower of London
Mansion House
World War II Blitz
The Bank of England
The Royal Exchange
HMS Belfast
Tate Modern
RAF Church
Tower Bridge
Oct 21 - attend a convention (morning - afternoon)
Oct 22 -
Oct 23 -
Windsor, Bath (Roman Bath and Pump Room), StonehengeEnglish Bus sana kaso hindi kasama yung Windsor.
San kaya pwede isingit to?
National Gallery (10:00 - 18:00)
Walk 0.8km to Piccadilly Circus (Regent Street) -> Carnaby Street -> Oxford Street and Oxford Circus (0.8km total) - Shopping
Train to Holborn (13mins) + 0.6km walk or 1.1km walk to The British Museum (10:00 - 17:30)
Walk 0.6km to Covent Garden, Royal Opera House
Baker Street (Sherlock Holmes Museum)
London Eye
Harrods
Kensington Palace - ok ba tong i-visit?
Also planning to watch Les Miserables (medyo malayo lang yun Queen's Theatre) so baka Wicked na lang at Apollo Victoria. And/Or Romeo and Juliet on Oct 23 7:30pm Ampitheatre area, just need to shuffle the schedules since hindi possible mixing the day with Stonehenge.