And you can pay for a one-off boiler service or cover the cost with an annual service plan. Gas boilers are the most common sort, so these providers tend to come in cheaper. But an LPG boiler service will sometimes only work out £10-£30 more[9]. https://brilliant-ferret-zh12gp.mystrikingly.com/blog/the-importance-of-reading-boiler-reviews-before-buying