Ace rewards is a free and rewarding membership program that lets you earn rewards with every purchase you make! All domestic services are £ inc v.a.t. If you're eligible, the government will contribute to the cost of the training. A competent builder or building services company should be able to fit the inspection hatches the builder will need to speak to a registered gas engineer to find out how many inspection hatches are needed and where they should be placed. Is it recommended.