COVID 19 VACCINATED Ascot Plumbing and Heating service, 24hr Gas safe registered Plumbers. We provide a 12 month guarantee on all general plumbing & heating work and up to 10 years on boilers with unlimited FREE OF CHARGE engineer visits if our work fails for any reason. We provide a 12 month guarantee on all general plumbing & heating work and up to 10 years on boilers with unlimited FREE OF CHARGE engineer visits if our work fails for any reason.