Jump In Trampoline Arena hosts unforgettable birthday parties near London. Treat your child (and yourself) to an unforgettable birthday party and leave the stressful organisation to us. Parties at Jump In will knock their grip socks off!If you want something a little more special, why not consider booking our private party room? The private party room package offers all the benefits of our standard party package as well as. Book your next party or event today and leave the stressful party planning to us. Book your next party or event today and leave the stressful party planning to us!