Our fully qualified and highly experienced electricians, work in domestic & commercial properties at a time t that suits you. Here at PAT Testing, we understand that in a busy environment it is not always convenient to carry out testing in working hours this is why we offer a 24 hour call out service. Our 24/7 electrical services are to the highest of quality, offering competitive prices throughout London and the surrounding areas, We operate a No call out charge policy with a response time of 30-90 Minutes* 365 days a year!*