Changing of the guards

Generalement vers 11h30 et une releve l'apres-midi avec chevaux.

http://www.changing-the-guard.com/chaging-the-guard-schedules-times.html

Westminster Abbey

http://www.westminster-abbey.org/

Until 6 or 7pm passing the gate (right of the church) you can enjoy a walk through the Westminster Abbey Choir School up to Tufton Street. 

St James Park

Tube : St James
Borough : Westminster

http://www.royalparks.gov.uk/St-Jamess-Park.aspx

Nice playground with sandboxes, bridges-ponds-swans-ducks, a little kitchen/potager garden, and a tons of pigeons!

Beautiful spots for photos for Buckingham palace or the surroundings.

National Gallery

Trafalgar Square London WC2N 5DN - 020 7747 2870
Tube : Charing cross or Leceister Square
Borough : Westminster
Free

http://www.nationalgallery.org.uk/

Holiday activities for kids, family trails, storytelling, artworkshop...

National Portrait Gallery

St Martin's Place London WC2H 0HE - Entrance behind the National Gallery (Trafalgar Square)
Tube : Charing Cross or Leicester Square
Borough : Westminster
Free

http://www.npg.org.uk/

Activities organized during school break for kids 3+ and 5+ - Need to be there 1hour onsite beforehand to get the tickets - quite popular