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Loft Insulation info

  • Writer: Florin Luncasu
    Florin Luncasu
  • Aug 5, 2025
  • 3 min read

LOFT INSULATION TOP UPS refers to those homes where loft insulation was fitted some time ago, but which does not conform to the current legislation concerning the thickness of the insulation. The process involves the fitting of additional insulating material on top of the existing loft insulation, so as to give an additional layer of protection which then conforms with the present rules. 

 

Did you know that a quarter of heat lost in an non-insulated home is lost through the loft? Of those homes that do have some form of insulation, many have been insulated to a poor standard or to out-of-date regulations, so could also be causing valuable warmth to escape without owners even realising it. 

 

What is loft insulation how does it work? 

Insulating a loft is a very simple process. It simply involves fitting insulation material into the joists in your loft and rafters to prevent the loss of heat through the roof. One of the most common materials is mineral wool, which is suitable for use in most loft spaces. For lofts that are inaccessible or harder to reach, blown insulation can be used. This loose, fire-resistant material is typically made from cellulose fiber and can be installed by a professional easily within a matter of hours. 

 

Support for loft insulation. 

A poorly insulated loft will mean that you need to use more fuel, and therefore more carbon dioxide will be emitted from your house. 

 

Many people do not realise that loft insulation top ups are a relatively low-cost exercise. With the price of wall, floor or loft installation, as well as solar panels and heat pumps slashed in a fresh bid to encourage people to upgrade their homes to stop heat escaping, now is the time to top up your insulation. 

 

More than 19 million homes are rated band D or below for energy efficiency. It means their leaky properties don't hold heat well enough and people are forced to whack up their heating for longer. 

The VAT cut came in from the start of April last year and will last for five years so take advantage of this today. 

 

Long lasting benefits 

Loft insulation, once installed correctly, is a long-term solution to heat retention in your home – effective for at least 40 years in most cases. Although insulation can last several decades, many homes that are already insulated can benefit from extra thickness. Loft insulation top ups can help to keep insulation at its maximum effectiveness and could save homeowners an extra £20 per year, while reducing their carbon emissions by up to 90 kilograms per year. The recommended depth for loft insulation is now 270 millimeters, but many homes are currently insulated at a thickness of only 120 millimeters.

Proper loft insulation is crucial for energy efficiency and cost savings in homes. It acts as a barrier, preventing heat from escaping and cold air from entering your living space. This is particularly vital during colder months, as effective insulation reduces the need for constant heating, thereby lowering energy consumption and utility bills. By maintaining a consistent indoor temperature, loft insulation contributes to a more comfortable living environment. It helps regulate temperatures, keeping homes warmer in winter and cooler in summer. This not only enhances comfort but also reduces the strain on heating and cooling systems, promoting their longevity and efficiency. In addition to personal comfort and cost savings, loft insulation plays a significant role in environmental conservation. When homes are well-insulated, there is less reliance on fossil fuels for heating, ultimately reducing carbon emissions. This aligns with global efforts to mitigate climate change and create more sustainable living practices. Furthermore, proper loft insulation contributes to the overall energy efficiency of a building. In many regions, governments and environmental agencies encourage or mandate the use of energy-efficient measures, including insulation, to promote sustainability. Homeowners may even qualify for tax incentives or rebates for implementing these energy-saving initiatives. It's important to note that loft insulation is a relatively straightforward and cost-effective improvement. Installing insulation materials, such as fiberglass or cellulose, is a manageable task that can be undertaken by professionals or as a DIY project. The initial investment in insulation pays off over time through reduced energy bills and a smaller environmental footprint. In conclusion, loft insulation is not just about keeping your home warm; it's a key component in creating energy-efficient, environmentally responsible living spaces. Whether you're motivated by financial savings, personal comfort, or a commitment to sustainability, investing in proper loft insulation is a wise decision with long-lasting benefits for both homeowners and the planet.


Get in touch today to organise your loft insulation top up

 
 
 

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