Serving Leicester Since 2011
Trusted local window and door specialists.
A-Rated Energy-Efficient Windows
Designed to reduce heat loss and improve comfort.
Written Product & Workmanship Guarantees
Peace of mind built into every installation.
Upgrade your home with expertly fitted casement windows designed for modern British living.
Casement Windows Practical, Secure & Energy Efficient
At Secure Trade Frames, we supply and install high-performance casement windows that combine clean design with dependable security. Whether you prefer a classic UPVC casement window, aluminium styling or timber aesthetics, our solutions are made to measure and professionally fitted. Designed to open outward and maximise ventilation, our casement window installation service ensures durability, excellent energy efficiency and full compliance with building regulations.
Get your FREE Quote
At Secure Trade Frames, we supply and install high-performance casement windows that combine clean design with dependable security. Whether you prefer a classic UPVC casement window, aluminium styling or timber aesthetics, our solutions are made to measure and professionally fitted. Designed to open outward and maximise ventilation, our casement window installation service ensures durability, excellent energy efficiency and full compliance with building regulations.
Why Choose Our Casement Windows?
UPVC Casement Windows
Our multi-chambered UPVC designs deliver excellent energy efficiency, strength and low maintenance. A popular choice for property owners seeking double-glazed UPVC casement windows at competitive prices.
Aluminium Casement Windows
A sleek aluminium casement window offers slim sightlines and modern appeal. Strong, secure and weather-resistant, aluminium frames are ideal for contemporary homes and larger openings.
Timber-Style Options
Love traditional wooden casement windows? We offer timber casement window alternatives that replicate heritage charm while delivering modern insulation and long-lasting performance.
Side-Hung Designs
Side-hung casement windows are hinged on the side and open outward like a door, allowing full ventilation and easy cleaning from inside your property.
Top-Hung Styles
Top hung windows are hinged at the top and open outward from the bottom, offering controlled airflow while protecting interiors from rain.
Advanced Glazing Options
Choose from double- or triple-glazing for improved insulation. Our double-glazed casement windows enhance comfort and effectively reduce outside noise.
Why Choose Our Casement Windows?
A casement window is the UK’s most popular window style, known for its simplicity and performance. Hinged at the side or hinged at the top, the window opens outward to provide excellent airflow and unobstructed views. Unlike traditional sash windows, which slide vertically, casement UPVC windows operate on a smooth hinge mechanism with secure locking systems.
Property owners favour casement windows for their versatility. Suitable for modern builds and period renovations alike, they are available as side-hung, top-hung, or casement sash window designs. With multi-chambered UPVC frames, trickle vents for background ventilation, and advanced glazing, they provide excellent energy efficiency and weather protection. All installations comply with building regulations and guidance from the Glass and Glazing Federation, ensuring lasting performance and compliance.
Get your FREE Quote
A casement window is the UK’s most popular window style, known for its simplicity and performance. Hinged at the side or hinged at the top, the window opens outward to provide excellent airflow and unobstructed views. Unlike traditional sash windows, which slide vertically, casement UPVC windows operate on a smooth hinge mechanism with secure locking systems.
Property owners favour casement windows for their versatility. Suitable for modern builds and period renovations alike, they are available as side-hung, top-hung, or casement sash window designs. With multi-chambered UPVC frames, trickle vents for background ventilation, and advanced glazing, they provide excellent energy efficiency and weather protection. All installations comply with building regulations and guidance from the Glass and Glazing Federation, ensuring lasting performance and compliance.
Get Your Free Quote
Ready to upgrade your home with secure, energy-efficient casement windows?
Contact Secure Trade Frames today for transparent pricing on windows and expert advice. Our team will arrange a free survey, discuss your preferred window style and provide a clear quotation for your casement window installation.
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Our Process
We make casement window installation simple, clear and stress-free from start to finish.
- Step 1:
Book a free home survey. We assess your existing window frame, take precise measurements and discuss materials, glazing and colour options.
- Step 2:
Your bespoke casement windows are manufactured to measure using high-quality materials and energy-efficient glazing.
- Step 3:
Our skilled installers complete professional window installation with minimal disruption and full compliance checks.
- Step 4:
Final quality inspection, demonstration of window lock features and aftercare guidance, backed by our installation guarantee.
Contact Us
We make casement window installation simple, clear and stress-free from start to finish.
- Step 1:
Book a free home survey. We assess your existing window frame, take precise measurements and discuss materials, glazing and colour options. - Step 2:
Your bespoke casement windows are manufactured to measure using high-quality materials and energy-efficient glazing. - Step 3:
Our skilled installers complete professional window installation with minimal disruption and full compliance checks. - Step 4:
Final quality inspection, demonstration of window lock features and aftercare guidance, backed by our installation guarantee.
Our casement windows are available in a wide range of colour options to complement any property. From classic white UPVC to contemporary anthracite grey aluminium, we help you match your window frame to your home’s character. Timber-look finishes recreate the warmth of wooden casement windows, while modern shades enhance new builds. Whether upgrading sash windows or refreshing a full façade, we provide flexible, stylish solutions.
View all colour options
Built for Performance and Efficiency
Every upvc casement window we install is designed with insulation and durability in mind. Multi-chambered UPVC profiles reduce heat loss, while double- or triple-glazing improves thermal retention and noise reduction. Our double glazed upvc casement windows are engineered for excellent energy efficiency, helping homeowners lower energy bills throughout the year.
Security is equally important. Each casement window features advanced locking systems that ensure a firm lock when closed. Trickle vents can be integrated to maintain airflow without compromising safety. Built to withstand British weather, our installations deliver long-term reliability with minimal maintenance required.
Every upvc casement window we install is designed with insulation and durability in mind. Multi-chambered UPVC profiles reduce heat loss, while double- or triple-glazing improves thermal retention and noise reduction. Our double glazed upvc casement windows are engineered for excellent energy efficiency, helping homeowners lower energy bills throughout the year.
Security is equally important. Each casement window features advanced locking systems that ensure a firm lock when closed. Trickle vents can be integrated to maintain airflow without compromising safety. Built to withstand British weather, our installations deliver long-term reliability with minimal maintenance required.
Suitable for All Property Types
Casement windows suit almost any property, from modern developments to traditional homes. Their adaptable window style allows them to complement the aesthetics of timber casement windows or blend seamlessly with aluminium and contemporary designs.
For renovations, they are ideal for replacing ageing frames or inefficient glazing. Homeowners looking to replicate the appearance of a casement sash window can achieve heritage charm with modern performance. Thanks to outward-opening functionality, they maximise interior space and ventilation.
All work is carried out in accordance with current building regulations to ensure safety and compliance. As trusted professionals aligned with Glass and Glazing Federation standards, Secure Trade Frames provides reassurance at every stage. From initial enquiry to final inspection, our focus remains on quality craftsmanship and dependable service.
Call us on 0116 261 1155
Casement windows suit almost any property, from modern developments to traditional homes. Their adaptable window style allows them to complement the aesthetics of timber casement windows or blend seamlessly with aluminium and contemporary designs.
For renovations, they are ideal for replacing ageing frames or inefficient glazing. Homeowners looking to replicate the appearance of a casement sash window can achieve heritage charm with modern performance. Thanks to outward-opening functionality, they maximise interior space and ventilation.
All work is carried out in accordance with current building regulations to ensure safety and compliance. As trusted professionals aligned with Glass and Glazing Federation standards, Secure Trade Frames provides reassurance at every stage. From initial enquiry to final inspection, our focus remains on quality craftsmanship and dependable service.
Trusted Casement Window Installers Near You
Secure Trade Frames is your reliable local specialist for casement windows across the UK. We handle everything from surveys to window installation, ensuring a smooth experience and lasting results.
If you are ready to enhance your home with secure, energy-efficient casement windows, request your quote today. Contact our team, complete the online form or book a survey to get started with expert casement window installation you can trust.
ContactReal Homes. Real Results
Everyone we met was punctual, polite and took time to explain the process and answer questions.
The fitters were top notch. They worked with us to get things done properly, allowing us time to think and plan around other tasks.
They took a lot of pride in getting things just so and the banter was genuine and funny especially whem they were cleaning up.
Which they did each day and made sure we were always left secure and safe.
When there were issues they took responsibility for getting it sorted. No need for us to chase or complain. A unit damaged in transit was replaced within 4 days.
Great from start to finish - thankyou Jason, Rob and Eric.
The windows are of excellent quality and the installation was completed to a very high standard. Everything was left clean and tidy afterwards, and Rob took the time to make sure we were completely satisfied before leaving.
I would highly recommend Leicester Secure Trade Frames to anyone looking for new windows – fantastic workmanship and great value for money. Thank you again!
The fitters arrived on time, were polite and professional throughout, and clearly took pride in their work. They worked efficiently and made sure everything was fitted properly, and they also kept disruption to a minimum. Once the job was finished, they left the house clean and tidy, which we really appreciated.
We’re extremely pleased with the quality of the windows and door and have already noticed the difference they’ve made. Overall, it was a great experience and we wouldn’t hesitate to recommend Secure Trade Frames to anyone considering new windows or doors.
We will definitely use them again for our bifolds when we renovate our kitchen.
The quality was exceptional and the fitters were professional, clean and fit everything to a high standard.
We would definitely recommend them!
We would definitely recommend them for any of your window/doors and conservatory projects.
Honest, reliable, affordable and outstanding workmanship
Thanks Jason and team
Jason & his team. Highly recommend, I will certainly be a returning customer.