How much could you save by insulating your solid walls? -
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How much could you save by insulating your solid walls?


How much could you save by insulating your solid walls?

About a third of UK homes have solid walls and estimations suggest that 45% of the heat from these homes could be escaping through walls, hence wasting energy and your hard-earned money. Unfortunately, solid walls let more heat through than properties with cavity walls, which is why it’s so important that they are insulated correctly. In this blog, we’ll discuss the best options for insulating your solid walls and how much you can save by doing so.

How to tell if you have a solid wall

If your home was built before 1919, it’s highly likely that the external walls are solid rather than cavity walls that are seen in newer properties. If you’re unsure of when your home was built, another way of finding out if you have solid walls in to measure the width of the wall. Advice from Energy Saving Trust says to look at an external wall window or door and if the brick wall is less than 260mm, then it is likely to be a solid wall.

How to insulate
Solid walls can be insulated both inside and outside the home and both will be beneficial in helping you to reduce energy loss and save on costs. When deciding what insulation option to choose you should consider: your budget; aesthetics; the severity of the heat loss in your property and whether your home requires repair work prior to beginning the insulation process.

If you choose external wall insulation, this will involve fixing an insulating material to external walls with a protective render or decorative cladding over the top. This insulation needs to be between 50mm – 100mm thick and is usually a more extreme option, chosen when a property is severely struggling with heating issues.

Alternatively, you could opt for a more discreet insulation option such as Aerotherm. This revolutionary technology allows properties to make energy savings of up to 35% by using aerogel, a product initially originating from NASA. At only 1mm thick, this non-intrusive product uses reflection technology to prevent conductive heat from slowing down.

How much money could this save you?
Solid walls let through twice as much heat as cavity walls do. Therefore, if your solid walls are not insulated correctly, you could be wasting considerable amounts of money on your heating bills per year. Research from Which states that if your home has solid walls, you could save between £145 and £455 a year by installing solid wall insulation, which is a significant improvement.

Evidently, if you have uninsulated solid walls, you could be losing a serious amount of energy from your home, resulting in higher bills. Therefore, you should consider the insulation options available to you. If you would like more information or if you would like to speak to a member of our team, call us on: 01656 662 096 or email: