Our core service is the Home Upgrade Guide - HUG - a customised plan for you and your home. RVI guides and supports you through a process of discovery, design and installation to improve your comfort, well-being and finances for decades to come. Brought to life with dedicated architectural craftsmanship evolved through decades of design experience. Design and delivery expertise that will last a lifetime – prioritising human need, ecological sensitivity and aesthetic excellence. A comprehensive bespoke Home Upgrade Guide (HUG) from RVI, which can be implemented in easy stages, costs from as little as £1 per square foot. Whether your house is modern, detached, traditional, terraced, has solid or cavity walls, in a conservation area or even a listed building, a HUG gives you the confidence to take the right steps at the right time.