Benefits of Loft Insulation

This short article has been created to explain why you should insulate your loft, as well as the benefits of doing so. We want to help you understand how important it is to insulate your loft, and how by making this investment, you can save money.

If you don’t have an insulated loft, then you could be losing a quarter of all generated heat – meaning that you’re not only losing warmth but money too. 

Without high-quality insulation to keep your home warm in the winter, and cool in the summer, you’ll be spending more on energy bills to try and keep your property moderate the temperature.

How you choose to use the insulation will be dependent on your property, although there are several options to choose from:

  • Apply to a sloping roof
  • Use between/over rafters 
  • Add at ceiling level between or over joints

Insulating your loft can have numerous benefits, and can be a great way to invest in your home. You can not only prevent heat being lost through the roof of your property – which will mean that you save money on utility bills, while also improving the U-Value of your home, helping to elevate the value of your property. 

Utilising loft insulation can be a great way to increase the energy efficiency of your home, while also helping you to save money.

Property Type Detached Semi-detached Mid-terrace Bungalow 
Average loft insulation cost £395 £300£285£375
Annual fuel bill savings £240 £140£135£200

The above statistics are based on the following

  • Typical costs – based on average homes 
  • Fuel bills – based on gas central heating 
  • Figures sourced from the Energy Saving Trust

There are a number of different types of loft insulation available, meaning you can choose the option which best suits your requirements. 

Here is a list of insulation used:

  • Glass & Mineral Wool Insulation 
  • Environmentally-friendly alternatives, i.e. Earthwool 
  • High-Density Foam Board 
  • Blown (Loose Fill) Insulation 
  • Multi-foils – this type of insulation is quickly becoming a favourite for commercial and domestic projects. It is made up of several aluminium foil layers and foam wadding and ensures high thermal performance. 

Made from 40% recycled materials, SuperFOIL’s multifoil can be purchased in varying thickness, meaning you can choose which solution is best suited to your project. 

An affordable and versatile material, multifoil insulation can be used in not only lofts but in walls and floors too. 


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