Insulation installers you can trust

InstaGroup is one of the leading insulation installers for homes in Berkshire, Surrey, Hampshire and Oxfordshire. 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 help you 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 £245² 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 the areas around Reading, Basingstoke, Bracknell, Guildford and Oxford. It could be worth contacting us to see if any insulation grants are currently available where you live.

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.

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.

Find out more close

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.

Find out more close

Solid Wall Insulation

External wall (solid wall) insulation doesn't just warm up your home and save you between £120 to £425 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.

Find out more close

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 and can save you up to £325 a year7 on your fuel bills, and keep you much cosier too. With our latest All-Weather system we can install Park Home insulation come rain or shine, with minimum disruption to you.

Find out more close

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.

Find out more close

Solid Wall Free Scaffolding Offer

Summer is a great time to get going with improvements for your home. The more reliable weather makes projects such as installing Solid Wall insulation so much easier, especially with our latest offer of FREE scaffolding. Enhance the look and comfort of your home, inside and out -- and save around £1,900.

Find out more close

L A T E S T   N E W S

ECO grants and
FREE home insulation

Rated: Great 

YouTube Logo

Watch us at work 

twitter logo

Our City Road site enjoying a nice cuppa and a slice of cake as part of their Macmillan Coffee Morning !