Home insulation installers you can trust

InstaGroup is one of the leading home insulation installers across the south-east of England. We’ve been helping people enjoy a warmer, more energy efficient home since 1980. Whatever the size or age of your property, you can trust us to help improve its comfort and appeal.

We can offer Solid Wall insulation (External Wall insulation), Cavity Wall insulation and Loft insulation. We also install specially designed Park Home insulation systems. Our professional home energy survey can tell you what your home may need, and how we can help.

Warming up your home and more

We’re known and trusted for our experience as home insulation installers, but we also offer expertise in External Render without insulation. It’s a quick and cost-effective way to refresh the look of your property and add instant value and kerb-appeal.

Our further services include Boiler installation and upgrading heating systems.

Recommended insulation for your home

If you’re looking for home insulation installers you can trust, get in touch. We’ll provide a friendly and courteous service from start to finish, from a thorough home energy efficiency survey through to expert recommendations and professional installation.

You can be sure that all of our workmanship is accredited and guaranteed, and we offer product warranties of up to 25 years.

We’re recommended home insulation installers across southern England. Contact us now, and see how we could help you to improve energy efficiency, stay warmer and save money.


Make rooms cosier and save on energy bills with our leading solutions. We offer Solid Wall (External Wall) insulation, Cavity Wall insulation, Loft insulation and innovative Park Home insulation. We also offer external Render without insulation to refurbish and refresh the look of your property quickly and economically.

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Boilers and Heating

Waking up to a warm home, stepping into a hot shower -- even doing the washing up. We all rely on our boilers to keep the household running smoothly. With an efficient new boiler you can count on your heating and hot water every day, while also saving energy and money. We install only quality boilers from reputable manufacturers such as Worcester Bosch.

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ECO funding

Certain UK households can apply for an ECO grant that can fully-fund the cost of installing Loft and Cavity Wall insulation.

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Meet our experts

At InstaGroup we’re dedicated to continually building our knowledge, skills and hands-on expertise to give our customers the best results possible.

We’re also very much a ‘people business’, so it’s good to be able to introduce you to a few members of our team. Click below to meet some of the friendly experts working at the heart of our heating, insulation and installation business.

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