• 10.00am - 5.30pm
  • FREE
  • Chelsea, London
  • 10.00am - 5.30pm
  • FREE
  • Chelsea, London

Children’s birthday parties

Play Base parachutist characters

It’s my party!

Perfect for boys and girls alike, the National Army Museum is the ideal place for kids to celebrate their birthday with friends and make some special memories in a creative and safe environment.

Book a party

If you are interested in holding a birthday party at the National Army Museum, please complete our booking form.


Do you have a question about parties at the Museum? Check our FAQs to see if it's already been answered.

General Hilarity party package


2-hour package for 20 children

Book a private birthday party for your little one in The Mess and enjoy Play Base, our family play area for children aged 8 and under.

Package includes
  • Exclusive use of Play Base for the first hour of your party
  • Use of an adjacent private party room, The Mess, for 1-hour party
  • 20 party food packs, freshly made on site
  • 20 party bags
  • Gift for the birthday boy or girl
  • Customisable invitation templates to print
  • Morning: 11.30am to 1.30pm (Friday to Sunday)
  • Afternoon: 2.30pm to 4.30pm (Friday to Sunday)

Owing to the high volume of visitors in the Museum, availability will be limited during school and public holidays.


Once your party booking is confirmed, we will send you a link to the custom invitation and to our online Party Builder. Use this tool to shop for extras and make the occasion that little bit more special.

Fewer/extra children

You can invite fewer than 20 children to your party, but you will still be charged the package rate. You can also add up to 10 extra children (maximum of 30 children in total) using our online Party Builder tool. Extra numbers will be charged at £27.50 per child.

The Mess


42m2 (452ft2)


Natural daylight
Modular caterpillar soft seating
Party table and seating
Toilet facilities (GF Lower Level)
Audio input for iPhone or any mobile device

A party set up in The Mess

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"First time @NAM_London today. Thoroughly enjoyed it. Thought the presentation & interpretation made the subject accessible..."