
Retrofit Explained
What is a Home Upgrade Guide?
RVI Home Upgrade Guides provide independent retrofit advice for homeowners seeking to improve energy efficiency, insulation, ventilation, comfort and resilience to overheating in traditional and period homes across London, South East England and beyond. Providing you with a clear plan for actions you can take to improve your home. Each upgrade accurately designed and specified and you and your family to improve daily life.

Energy Efficiency Advice
Expert guidance on improving energy efficiency in period and traditional homes. Reduce heat loss, lower bills and improve year-round comfort.
Expert advice on how to improve energy efficiency in all types of homes including period properties and listed buildings
Insulation Advice
Thinking about insulating your home? Get independent advice on walls, roofs and floors to improve comfort while avoiding moisture and damp risks.
Expert advice on which insulation is suitable for solid wall construction in period and listed homes.


Damp, Condensation & Mould
How to Stop Condensation and Mould in Your Home.
Struggling with condensation, damp or mould? Learn how insulation, ventilation and moisture management work together to create a healthier home.
Condensation and mould in any home can be unsightly and a serious health risk. Whether your home is a traditional Victorian Terrace or a Modern bungalow our expert diagnosis and upgrade plan will eliminate it for good.
Overheating & Heatwaves
Keep Your Home Cool During Heatwaves.
Reduce overheating and improve summer comfort. Discover practical retrofit solutions to keep your home cooler during heatwaves.
External shading and the correct insulation will prevent excessive heat build up. Reducing or eliminating the need for air-conditioning to mechanically cool.


Ventilation
Home Ventilation Advice.
Improve air quality and reduce condensation with effective home ventilation strategies designed for older and energy-efficient homes. Heat recovery ventilation dramatically improves energy efficiency. A well ventilated home promotes better sleep, cognitive function, general health and overall wellbeing. Ventilation is a critical component of a home upgrade strategy.