"Best Heating & Plumbing Solutions" If you're looking for any general Plumbing & Heating work in & around London then please do not hesitate to contact us. We pride ourselves on our great level of service & high standard of workmanship. Established for 7 years, Gas & Allied Services Ltd are a friendly and reliable Plumbing & Heating company who offer their services to the residents of London and surrounding areas and have been doing so for many years. We are confident that we can...