
Revitalise Your Home with Kooka’s Internal Wall Insulation (IWI) Solutions
Premium Interior Insulation Services for Enhanced Comfort and Efficiency
At Kooka, we are at the forefront of transforming your home’s interior with our cutting-edge Internal Wall Insulation (IWI) services. With over 50 years of expertise, we’re committed to delivering superior insulation solutions that not only boost energy efficiency but also improve your living environment.
What is Internal Wall Insulation (IWI)?
Internal Wall Insulation (IWI) involves fitting a high-performance insulating layer to the inside surfaces of your walls. This approach is particularly beneficial for properties with solid walls or where external insulation isn’t an option. By significantly reducing heat loss, IWI enhances your home’s thermal performance, making your indoor space more comfortable and energy efficient.
Why Choose Kooka for Your Internal Wall Insulation Project?
From being an award-winning company to leading the insulation and rendering industry, our commitment to excellence is unwavering. We prioritise our customers, ensuring every project is completed with the highest skill and utmost client satisfaction. Our customers are at the heart of our business, and we continually strive to exceed their expectations. Our team is fully trained and certified, proudly holding PAS2030 accreditation and adhering to industry best practices to deliver outstanding results.
At Kooka Group we use the SWIP Internal Wall Insulation System, a fully certified, high-performance solution designed to enhance energy efficiency and minimise heat loss. We choose these systems because they perfectly align with our sustainability objectives and ongoing commitment to energy efficiency, ensuring every project delivers exceptional, long-lasting, and environmentally responsible results.
With us, you can trust that your project is in expert hands.
Get Started with Your IWI Project
Ready to enhance your home with advanced IWI? Reach out to Kooka for expert advice, a free quote, and to get started on your project. Our team is dedicated to helping you achieve a more comfortable, energy-efficient home with our outstanding IWI services.
Enhance your living space’s comfort and appearance with the professional IWI services provided by Kooka.
Energy Savings
Significantly lower your energy bills and boost your financial savings.
The Benefits of Internal Wall Insulation
Reduced Heat Loss
Effectively minimize heat loss for improved indoor temperature stability.
Increased Property Value
Boost your property’s market value with innovative and energy-efficient improvements.
Enhanced Comfort
Maintain a cozy home environment year-round with our advanced IWI solutions.
Eco-Friendly
Adopt sustainable solutions that help reduce your household’s carbon emissions.
Quick Installation
Benefit from fast and efficient installation with minimal disruption to your home.
Soundproofing
Reduce noise from outside and enjoy a quieter, more peaceful living space.
Improved Aesthetics
Enhance the look of your home’s interior with sleek and modern insulation finishes.
Why Choose Kooka?
Optional insurance backed guarantees Up To 25 Years On New Installations
Accredited By Trustmark and QualityMark
Over 50 years of Industry Experience
EzyFit & SWIP Installers
Complete Internal Wall Insulation Solutions
Expertise In Both Residential and Commercial Projects
Wide Coverage Throughout England
Outstanding Reputation Among Satisfied Customers
Fully Insured and Certified Team
Complimentary Quotes and Consultations Available
Internal Wall Insulation: Costs and Frequently Asked Questions
What’s the Costs of Internal Wall Insulation
The cost of Internal Wall Insulation (IWI) can vary depending on several factors such as the size of the property, the type of insulation materials used, and the complexity of the job but generally ranges between £80 & £100 per m2. Things like removal/alterations to bathrooms and kitchens can greatly increase this cost.
How effective is Internal Wall Insulation?
Internal Wall Insulation is highly effective in improving a property’s thermal performance. By adding a layer of insulation to the interior walls, it reduces heat loss, maintains indoor temperatures, and can significantly lower energy bills. Additionally, it can contribute to a more comfortable living environment by reducing drafts and cold spots.
What types of materials are used for Internal Wall Insulation?
There are several types of materials commonly used for Internal Wall Insulation, including rigid foam boards, mineral wool, and multi-foil insulation. Each material has its own advantages in terms of thermal performance, fire resistance, and ease of installation. The choice of material will depend on your specific requirements and preferences.
What Materials do Kooka Group use for Internal Wall Insulation?
At Kooka, we use the SWIP Internal Wall Insulation System, which is made up of high quality, thermally efficient components designed to work together seamlessly. The system includes thermally engineered SWIP studs, Earth wool SWIP batts and a SWIP vapour control layer to prevent moisture ingress. To finish, we apply either plasterboard or a SWIP PIR laminate for a smooth, durable internal surface. This combination ensures outstanding thermal performance, durability, and energy efficiency. Contact us for a free Quote today. To see the full materials used for the SWIP System click here.
How long does Internal Wall Insulation last?
Internal Wall Insulation is a durable solution that can last for many years, often up to 25 years or more. The longevity of the insulation depends on the quality of the materials used and the workmanship of the installation. Properly installed IWI should provide long-term benefits and performance.
Can Internal Wall Insulation cause damp or condensation issues?
When installed correctly, Internal Wall Insulation should not cause damp or condensation problems. However, it is crucial to ensure proper ventilation and moisture management in the property. Contact Kooka today and we will assess your home’s specific conditions and take necessary measures to prevent any potential issues related to dampness or condensation.
Is Internal Wall Insulation suitable for all types of homes?
Internal Wall Insulation is particularly beneficial for older properties with solid walls that lack cavity insulation. It is also suitable for homes where External Wall Insulation is not feasible due to planning restrictions or aesthetic considerations.

Kooka is the premier specialist in external insulation, providing tailored solutions for homeowners, developers, and businesses across the UK.










