Plumbing Questions? Ask a Plumber for Answers ASAP
Hi, pipe length can really affect the running of the boiler. It may well be ok , but will need to be double checked on recommisioning of the boiler.it's best to discuss it with your gas safe heating engineer as there are additional regs regarding boilers in bathrooms
Google gas pipe sizing. The length depends on size and the kilowatt rating of the boiler.