Why homeowners in Cornwall choose us:
- Over 30 years’ glazing and installation experience
- Fully qualified and insured local professionals
- Energy-efficient and secure window options
- Transparent pricing with free, no-obligation quotes
- Rated 5 stars by satisfied local customers
- Serving homes and businesses throughout Cornwall
Call our friendly team or fill out the quick form to book your free consultation.
Professional Window Installation Services Across Cornwall
Our expert window installation services cover all types of residential and commercial properties throughout St Austell, Truro, Newquay, Bodmin, and surrounding areas. We fit and replace:
- uPVC windows for durability and energy efficiency
- Aluminium frames for a modern, low-maintenance finish
- Double and triple glazing units for superior insulation
- Sash and casement windows for period or contemporary homes
Every project is completed with precision, using high-quality materials and fittings that meet current UK Building Regulations.
Our Window Installation Process
We make your installation simple, efficient, and hassle-free:
Step 1 – Free Consultation & Quote
We assess your property’s requirements, offer expert recommendations, and provide a free, transparent quotation.
Step 2 – Measurement & Preparation
Our installers take accurate measurements to ensure a perfect fit and seamless finish.
Step 3 – Professional Installation
We install your new windows quickly and cleanly, minimising disruption to your home or business.
Step 4 – Quality Check & Aftercare
Every installation is inspected to guarantee performance, energy efficiency, and aesthetic appeal. We also provide aftercare advice to help you maintain your windows for years to come.
Energy Efficiency & Security Benefits
Modern window installation doesn’t just improve your property’s appearance. It enhances insulation, reduces energy bills, and strengthens home security.
- Keep your home warm and reduce heating costs with energy-rated glass.
- Improve security with advanced multi-point locking systems.
- Cut noise pollution with precision-sealed frames.
- Add long-term value to your property with durable materials and expert fitting.
For more information on energy-efficient glazing, visit Energy Saving Trust.
Why Choose Kernow Window Repairs for Your Window Installation in St Austell
Choosing a local company means choosing reliability, accountability, and personal service. At Kernow Window Repairs, we combine decades of expertise with genuine local care.
Our key advantages:
- Family-run business trusted throughout Cornwall
- Fully insured and compliant with UK glazing standards
- Local team with knowledge of Cornish homes and climate
- Clear communication from first call to final inspection
- Real examples of work available on our Previous Projects page
Our mission is to help local homeowners enhance comfort, efficiency, and security through quality window installation.
Areas We Serve
We proudly offer window installation across Cornwall, including:
- St Austell
- Truro
- Bodmin
- Newquay
- Falmouth
- Camborne
- Redruth
If you’re located in any nearby town or village, contact our friendly team to confirm availability.
Frequently Asked Questions
How long does window installation take?
Most standard installations are completed within one to two days, depending on the number of windows and the property’s structure.
Do you remove and dispose of old windows?
Yes, our team handles safe removal and environmentally responsible disposal of all old frames and glass.
Are your installations covered by warranty?
All new window installations come with a workmanship guarantee for complete peace of mind.
Can you match existing window styles?
Absolutely. We can replicate traditional styles or install modern designs to complement your property’s architecture.
Do you offer free quotes?
Yes, we provide free, no-obligation quotes for all window installation projects in Cornwall.
Book Your Window Installation in St Austell Today
Transform your home with expertly fitted, energy-efficient windows from your trusted local specialists at Kernow Window Repairs. We combine precision craftsmanship, friendly service, and unbeatable reliability.