Here’s a family-friendly 3-day London itinerary designed for efficient routing, realistic pacing, and a mix of must-see landmarks, history, and fun stops for kids. Each day is grouped by area to minimise travel time, with walking distances and transport tips included.

DAY 1 

– Westminster, South Bank & London Eye

 (Walkable cluster)

🌟 Morning: Westminster Highlights

Start: 09:00

1. Big Ben & Houses of Parliament

• 📍 Westminster, London SW1A
• 💷 Free (external viewing)
• ⏱️ 30 mins
• 🚇 Westminster Station (Circle/District/Jubilee)

➡️ Walk: 2 mins (150m)

2. Westminster Abbey

• 📍 20 Deans Yd, London SW1P 3PA
• 💷 Adults £27 | Child ~£12
• ⏱️ 1–1.5 hrs
• 🌐 https://www.westminster-abbey.org

☕ Break Stop:

• Cellarium Café & Terrace (family-friendly)

➡️ Walk across bridge: 10 mins (800m)

🌟 Midday: South Bank & London Eye

3. London Eye

• 📍 Riverside Building, County Hall, London SE1 7PB
• 💷 From ~£29 adult
• ⏱️ 30 mins ride
• 🌐 https://www.londoneye.com

🍴 Lunch (South Bank):

• Giraffe Southbank Centre (great for kids)
• Wahaca Southbank (casual Mexican)

➡️ Walk: 5 mins

4. SEA LIFE London Aquarium

• 💷 ~£30 adult
• ⏱️ 1–1.5 hrs
• Perfect for children

➡️ Walk along Thames: 15 mins (1.2 km)

5. Southbank Centre

• Free to explore (street performers, views)

🍽️ Dinner:

• Pizza Express Southbank
• Honest Burgers Southbank

DAY 2 –

 Tower of London, Bridge & City of London

🌟 Morning: Historic London

Start: 09:00

1. Tower of London

• 📍 London EC3N 4AB
• 💷 ~£37 adult
• ⏱️ 2–3 hrs
• 🌐 https://www.hrp.org.uk/tower-of-london
• 🚇 Tower Hill Station

➡️ Walk: 5 mins (400m)

2. Tower Bridge

• 💷 ~£18 adult (optional exhibition)
• ⏱️ 45 mins

☕ Snack stop:

• The Watch House Tower Bridge

➡️ Walk: 15 mins (1.2 km)

🌟 Midday: River & Views

3. Sky Garden

• 💷 Free (book ahead)
• ⏱️ 1 hr
• 🌐 https://skygarden.london

🍴 Lunch:

• Darwin Brasserie (inside Sky Garden)
• Pizza Pilgrims City

➡️ Transport:

• 🚇 Monument → St. Paul’s (Central Line, 5 mins)

4. St Paul's Cathedral

• 💷 ~£27 adult
• ⏱️ 1–1.5 hrs

➡️ Walk: 10 mins

5. Millennium Bridge

🍽️ Dinner:

• Franco Manca St Paul’s
• Wagamama St Paul’s

DAY 3 –

Buckingham Palace, Museums & Hyde Park

🌟 Morning: Royal London

Start: 09:30

1. Buckingham Palace

• 📍 London SW1A 1AA
• 💷 ~ £37 adult (State Rooms seasonal)
• ⏱️ 1–1.5 hrs
• 🌐 https://www.rct.uk

➡️ Walk: 10 mins

2. St James's Park

• Free
• ⏱️ 30–45 mins (playground + lake)

➡️ Walk: 20 mins (1.5 km)

🌟 Midday: Museums (Free & Family-Friendly)

3. Natural History Museum

• 💷 Free
• ⏱️ 2 hrs
• 🚇 South Kensington

🍴 Lunch:

• Comptoir Libanais South Kensington
• Honest Burgers South Kensington

➡️ Walk: 5 mins

4. Science Museum

• 💷 Free
• ⏱️ 1.5–2 hrs

➡️ Bus or Tube:

• 🚇 South Kensington → Hyde Park Corner (Piccadilly Line, 5 mins)

🌟 Afternoon: Relaxation

5. Hyde Park

• Free
• ⏱️ 1–2 hrs
• Pedal boats + playgrounds

🍽️ Final Dinner:

• The Serpentine Bar & Kitchen
• Dishoom Kensington

🚇 Transport Tips

• Get an Oyster card or contactless payment
• Daily cap: ~£8–£10 (zones 1–2)
• Kids under 11 travel free with adult

🧭 Summary of Travel Flow

• Day 1: Fully walkable (Westminster → South Bank)
• Day 2: Mostly walking + short Tube hops
• Day 3: Mix of walking + Tube

💡 Family Tips

• Pre-book major attractions (especially London Eye & Tower)
• Plan 1–2 indoor stops daily (weather backup)
• Use parks/playgrounds to break up sightseeing