127-129 Abbey Road, St John's Wood, London
Oscar’s den is a one-stop-party-shop. From special themed goodie bags to balloons, they do it all. What’s more, you don’t need to run around looking for entertainers or cake makers, just drop off your details and they take care of it, cake and all. Open 9.30am-6pm Mon-Fri, 9.30am-5.30pm Sat and 10am-2pm Sun.