£30 Per Ninja

Whether a birthday party or any other special celebration, a party helper will be on hand to assist your guests with the following:

  • * 1 hour of action on our Ninja Warrior UK courses
  • * Up to 45 minutes use of your very own party room
  • * Ninja Warrior UK socks for all Ninjas
  • * Ninja Warrior UK headbands for all Ninjas
  • * Unlimited squash and water
  • * Pizza for every Ninja
  • * An ice cream for every Ninja
  • * A gift voucher for a free session for the birthday Ninja! (one per party)

On Mondays – Thursdays during term time Ninja party packages are for a minimum of 8 party guests, at all other times the minimum number is 12.

You are welcome to bring cake to your birthday party, but it MUST be consumed in your party room please.

Whatever your occasion, whether a birthday party or any other celebration, get in touch to reserve your preferred date and time slot.

And remember that all Ninjas must be over 5 years old with under 8s accompanied on the activities please.

For enquiries and bookings please call:

01923 962 499

or email

Download invite


Plus 1 hours use of the Ninja courses

Suggested party size

12 guests


Merchandise Included




Great, you would like to book a party, well we would love to host you!

STEP 1: Please ensure you have read our full package information and all the F.A.Q's on this page. If you have any questions please get in touch.

STEP 2: Please email us at with your details of when you would like your party.

STEP 3: We will get back to you ASAP but please call us if you'd like to discuss any of the arangements.

STEP 4: We will need to take full payment at the time of booking please.

STEP 5: We will then send you your confirmation email, please ensure you read this carefully as it contains important information and further instructions - please note that waivers will need to be completed for all guests prior to the party.

STEP 6: We will send out a pdf copy of the invites.

STEP 7: Party time! Your party host will greet you and support you throughout your party booking with us, so relax and enjoy!

Please contact us for available times & dates. If under 2 weeks notice, please complete our enquiry form and we will get back to you with our availability for your requested date.

All guests must be aged 5 years or over on the date of the party. All Ninjas will be able to use the inflatable obstacles, but Ninjas will need to be 140cm or taller to be able to use the majority of the fixed Ninja runs.

Under 5 - for the safety of your little ones Under 5s are not able to join these sessions.

Under 8 - to make the most of your Ninja session we strongly recommend an adult participates in this session with you.

Under 12 - an adult, either participating or spectating, must remain on site please.

Under 18 - a waiver must be signed by a parent or guardian of the participant who is over 18.

Parties are for a minimum of 8 guests Monday to Thursday in term time and 12 guests at other times.

If you would like to increase the number of guests in your party after booking we are happy to accommodate (subject to availability for your session time). We advise you call us with as much notice as possible to confirm availability and increase your booking as unfortunately once the session is fully booked we are unable to add any further participants.

Yes, we require payment at the time of booking. Due to high volumes of enquiries we are unable to reserve parties without a payment.

Of course! Please ask your party host to assist in singing happy birthday when the time comes!

Please note that, if you provide your own birthday cake, you MUST keep the cake within your party room and the centre takes no responsibility for the allergen information provided and communication of this with party guests. You cannot bring outside catering into the park.

Standing and table decorations are of course welcome, however we do not allow any banners or other items to be attached to the walls as this can cause damage.

The party room must be left in the same state that you found it please, otherwise cleaning charges may apply.

All guests will have pizza and an ice cream!

Guests also receive a bottomless squash.

Please wear comfortable clothing appropriate for physical activity.



With free parking on site, Woodside Leisure Park’s postcode is WD25 7JZ and is located just off the A405 just 5 minutes from Junction 19 and 20 of M25 and Junction 6 of the M1. Woodside is also only a short drive to the local Town Centre which is 11 minutes away. We have 725 free car parking spaces so traveling by car couldn’t be easier.


Bus routes 10, 320, 321, 635 and 724 can be used to get to the leisure park, with further details available here.


Watford is well served by rail. Watford Junction, North Watford and Garston stations being the closest. Garston station is the nearest, only 1.2 miles from Woodside and operated by the West Coast mainline. If you are arriving by bicycle then dedicated bike racks are available.