Business Details
Premium Windows & Doors in Sheffield
NuLife Window Company has been a trusted name in the window and door industry since the 1970s, establishing itself as the largest independent window company in Yorkshire. Under the leadership of Managing Director Mike Knott, our family-owned business combines decades of expertise with a commitment to quality, offering A-rated energy-efficient windows and high-security doors tailored to enhance both aesthetics and functionality. With a qualified EPC Assessor within our team, we prioritise energy efficiency alongside security and design, ensuring our products meet modern standards while maintaining timeless appeal.Our showroom in Sheffield showcases a comprehensive range of solutions, from composite and uPVC doors to vertical sliders and aluminium bi-fold doors, all crafted to precise specifications. Backed by 10-year guarantees and a dedication to competitive pricing, we remain a first-choice provider for homeowners seeking reliable, value-driven installations and replacements across Sheffield and surrounding areas.
Services
Composite Doors
uPVC Doors
Vertical Sliders
Aluminium Bi-fold Doors
Glass Solutions
Panel Doors
French Doors
Stable Doors
Patio Doors
Insulated Glazing
Highlights and features
- We have over 40 years of experience in window and door installation.
- Family-owned business with a qualified EPC Assessor on staff.
- Offer 10-year guarantees on all uPVC door frames and panels.
- Showroom with a wide range of samples available for inspection.
- A-rated energy-efficient windows and high-security doors as standard.
Services
Composite Doors
Our composite doors combine robust security features with modern design aesthetics. Manufactured to withstand extreme weather conditions, they offer superior thermal efficiency and durability. Ideal for both new builds and replacement projects, these doors enhance property value while ensuring long-term performance.
uPVC Doors
NuLife's uPVC doors provide cost-effective, low-maintenance solutions without compromising on style or security. Available in panel, French, stable, and patio styles, they feature enhanced weather resistance and energy efficiency. Backed by a 10-year guarantee for frames and panels.
Vertical Sliders
Vertical slider windows merge traditional sash aesthetics with modern PVCu durability. Offering WER A-rated energy efficiency, they include safety features and tilt-slide functionality for easy cleaning and ventilation. Suitable for both residential and commercial properties.
Aluminium Bi-fold Doors
Aluminium bi-fold doors create seamless transitions between indoor and outdoor spaces. Engineered for maximum security and thermal performance, they feature slim frames and expansive glazing options. Customisable for various architectural styles and applications.
Glass Solutions
We supply high-performance double and triple glazed units designed to reduce energy consumption and noise pollution. Our glass solutions cater to both domestic and commercial needs, ensuring optimal thermal insulation and compliance with building regulations.
People
Mike Knott
Managing Director
Mike Knott has led NuLife Window Company since the 1970s, guiding it to become Yorkshire's largest independent window firm. As part of the family ownership, his expertise in energy-efficient solutions and product innovation drives the company's continued success.
Questions
What products does NuLife Window Company offer?
We specialise in composite doors, uPVC doors, vertical sliders, aluminium bi-fold doors, and insulated glazing solutions for residential and commercial properties.
Do your products come with guarantees?
Yes, all uPVC door frames and panels include a 10-year guarantee, and our windows meet WER A-rating standards for energy efficiency.
Are your windows and doors energy efficient?
Our products feature advanced thermal performance, including A-rated windows and insulated glazing units designed to reduce energy bills and carbon emissions.
Can I visit your showroom?
Our Sheffield showroom at 218 Middlewood Road S6 1TE is open Monday-Friday 9am-4:30pm and Saturday 10am-2pm for product demonstrations.
Do you provide custom-made solutions?
Every order is manufactured to individual specifications, ensuring precise fit and performance for both new builds and replacement projects.
Videos
Reviews (7)
B. Dakin
Aug 30, 2021
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Had windows fitted which were fitted well, had a message on my phone within an hour of fitter finishing asking for me to pay, then three more during the course of the day. Funny how when I call them and leave a message and ask for someone to call me about an issue with two of the windows, their phones don't seem to be working............
David Saunders
Jun 28, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
From ordering to fitting this company did a totally professional job. Three uPVC doors fitted in one day by Tom. He was on time, very efficient and polite, totally professional.
Service:Door installation
From ordering to fitting this company did a totally professional job. Three uPVC doors fitted in one day by Tom. He was on time, very efficient and polite, totally professional.
Service:Door installation
Rob Tew
May 29, 2021
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Took my order in April for a supply only job. I called today to confirm some details about my order only to be told that they were cancelling the order and no longer taking supply only work. Complete waste of my time, and I'm left wondering would they have called me to let me know had I not picked up the phone. I now have to find a new supplier and begin another lengthy lead time wait whilst the project I'm working on is now completely on hold! Do not be lured in by the prices, its worth paying that bit more for a professional and reliable outfit.
Christian Jones
Mar 10, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Just had a new traditional black door fitted & new glass in my bay window & The young gentleman were very professional so thanks & will definitely use them again
Services:Window repair,Door installation
Just had a new traditional black door fitted & new glass in my bay window & The young gentleman were very professional so thanks & will definitely use them again
Services:Window repair,Door installation
Michael Harrison
Mar 08, 2021
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Tom arrived at time arranged with us and got straight on with work, did a really good job fitting new front and back door, cleaned up after job finished. Very friendly and polite. Thanks Tom. Would highly recommend. also big thanks to Julie for calling at our house in these difficult times. Very competitive prices. Both very pleased
Tracy Roberts
Jan 31, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Fantastic service from start to finish,totally transformed the house with lovely bay window&stylish doors great value for the money.The guy's worked to a high standard very polite&respectful of our home keeping us informed throughout the process,would highly recommend this company to friends&family thankyou
Services:Door installation,Window installation
Fantastic service from start to finish,totally transformed the house with lovely bay window&stylish doors great value for the money.The guy's worked to a high standard very polite&respectful of our home keeping us informed throughout the process,would highly recommend this company to friends&family thankyou
Services:Door installation,Window installation
Rob Watson
Nov 24, 2019
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We have just had a new front door fitted to our house and the product and workmanship was first class .A big thank you to all the staff who were involved for their experience , knowledge and friendly attitude.
