Insulation installers you can trust

InstaGroup is one of the leading insulation installers for homes across the south east of England. We’re experts at finding out how you can save energy and stay warmer.

Did you know that installing insulation can save you up to 25% of the heating that’s currently lost through the loft or roof space? You can save even more of that warmth with wall insulation – up to 66%¹. As trusted insulation installers we can design a system to help keep in the heat, so you can enjoy a cosier home and savings too.

InstaGroup specialise in Cavity Wall insulation, Loft insulation and Solid Wall insulationOur professional recommendations will keep you warmer, and can save you up to £210² every year on household bills.

Installing insulation with the experts

Whether you’re living in a large Victorian house, a 1960s flat, or a Park Home, InstaGroup can help improve your property’s energy efficiency. We’re the friendly experts, and we’ve been installing insulation for over 35 years.

Our no-obligation survey will provide the best recommendations, along with a clear quote. We’ll also let you know if you could benefit from any insulation grants to help pay for the improvements. You can be sure that all our work is fully guaranteed, and our insulation installers are qualified and trained technicians using accredited materials.

Leading insulation installers with a local touch

InstaGroup’s insulation installers work in areas across the south east. Get in touch to find out if there are any grants available where you live that could cover the cost of home insulation.

We also specialise in External Render without insulation, for a quick and cost-effective way to add kerb appeal and refresh the look of your home.

Call our friendly team on 0800 526 023 or ask us a question.

Cavity Wall Insulation

Cavity Wall insulation is for properties with external walls that are made up of two layers of brick with a gap (or cavity) between them. The cavity is expertly filled with the recommended insulating material, keeping in around a third of the heat currently lost through uninsulated cavity walls. It's a quick and effective way to save you up to £145 every year on energy bills3. Our Cavity Wall installations come with a 25-year guarantee.

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Loft Insulation

Loft insulation is easy to install and can immediately save 25% of the heat that is lost through an uninsulated roof 4. InstaGroup can install all-new insulation, or check your existing loft insulation to see if it needs topping up to the current recommended depth of 270mm. Our experienced installers could warm up your home within an hour5 -- and you'll continue to feel the benefits for at least 40 years.

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Solid Wall Insulation

External wall (solid wall) insulation doesn't just warm up your home and save you between £115 to £415 every year6 on heating bills -- it can also give your property an attractive makeover. Solid wall properties are usually older buildings built before the 1920s, and are suitable for either our external or internal insulation systems. We can recommend the best solution to help keep in the heat, with all installations backed by a 25-year guarantee.

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Park Home Insulation

Our award-winning Park Home insulation was developed to meet the specific needs of Park Home properties. InstaGroup's 'whole home' solution includes the walls, roof and floor. Full insulation creates a complete thermal wrap saving you money on your fuel bills while keeping you cosier. With our latest All-Weather system we can install Park Home insulation come rain or shine, with minimum disruption to you.

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External Render

Instantly transform the look of your property with our external render service, without insulation. Our expert team can replace old, stained or crumbling external render, or render a newly built property, with your choice of colour and finish. It costs a lot less than you think to refurbish the outside of your home, and makes a huge difference to its kerb appeal. Render can be applied to exteriors including steel, timber and masonry.

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