Internal Wall Insulation: What are the Pros and Cons?

internal wall insulation solid board installation
(Image credit: Kingspan)

First things first, internal wall insulation is generally only a route to consider for certain homes. Solid wall homes made from solid stone or brick, usually built before the 20th century tend to be the main candidates for this type of insulation. 

For houses after this time, there's often a cavity wall as part of the home's construction, offering the opportunity to use cavity wall insulation to improve the thermal efficiency of the fabric of your home. 

Tim Pullen

Tim is an expert in sustainable building methods and energy efficiency in residential homes and writes on the subject for magazines and national newspapers. He is the author of The Sustainable Building Bible, Simply Sustainable Homes and Anaerobic Digestion - Making Biogas - Making Energy: The Earthscan Expert Guide.

His interest in renewable energy and sustainability was first inspired by visits to the Royal Festival Hall heat pump and the Edmonton heat-from-waste projects. In 1979

this initial burst of enthusiasm lead to him trying (and failing) to build a biogas digester to convert pig manure into fuel, at a Kent oast-house, his first conversion project.

Moving in 2002 to a small-holding in South Wales, providing as it did access to a wider range of natural resources, fanned his enthusiasm for sustainability. He went on to install renewable technology at the property, including biomass boiler and wind turbine.

He formally ran energy efficiency consultancy WeatherWorks and was a speaker and expert at the Homebuilding & Renovating Shows across the country.