Significant birthday coming up? If you are looking for somewhere to stay with a big group of friends or family, then look no further! CoolStays have a fabulous selection of large properties to rent. From a boutique luxury cottage in the Cotswolds that sleeps 10, to a futuristic glamping site in the Forest of Dean, where super-cool domes have hanging beds and rocket stoves can sleep up to 11 families. Family get-togethers and group holidays just got cooler.