Grey Squirrels Pest Control Services - Grey Squirrels A common sight across large parts of the UK, they can invade lofts usually during winter and spring.Grey squirrels can have 2 litters a year, one in late February to early March and another between June and July. Litter size is typically 3 or 4.They can cause serious damage to property, chewing wiring, pipework and wood etc.TreatmentTraps and grey squirrel rodenticide (internal areas only). It Could be Worse! Let's get it done Contact Us