Business Details
38 Years
experience
Your Trusted Partner for Windows & Conservatories in Middlesbrough
Established in 1988, Ultimate Windows has built a reputation as a trusted supplier and installer of high-quality windows, doors, and conservatories across Middlesbrough and Stockton-on-Tees. Our team provides expert advice to help homeowners select the perfect products for security, energy efficiency, and aesthetic appeal. With premium installation services and a dedicated electrical department, we offer comprehensive solutions tailored to residential needs.Our market-leading products include GRP composite doors, UPVC windows, bi-fold doors, and roof lanterns, all backed by decades of industry experience. We pride ourselves on delivering reliable service, innovative design options, and a commitment to customer satisfaction that has sustained our business for over three decades.
Services
Bi Fold Doors
Conservatories
Entrance Doors
Flush Products
Sliding Doors
Windows
Roof Lanterns
Electrical Services
Details
- Year established: 1988
Highlights and features
- We have over 35 years of experience in supplying windows and doors.
- Our team offers expert advice on product selection and energy efficiency.
- We provide premium installation services for all our products.
- We operate a dedicated electrical department for added convenience.
- Our market-leading products are designed for security and durability.
Services
Bi Fold Doors
Our bi-fold doors combine sleek aluminium frames with secure locking systems for seamless indoor-outdoor living. Ideal for modernising homes, they offer thermal efficiency and low-maintenance durability. Customisable in size, colour, and glazing options to match property aesthetics.
Conservatories
UPVC conservatories provide bright, thermally efficient living spaces using reinforced profiles and solar-controlled glass. Available in Victorian, Edwardian, and lean-to styles, they extend homes while maintaining year-round comfort. Includes optional roof lanterns for added light.
Entrance Doors
GRP composite doors feature multi-point locking systems and insulated cores for maximum security and energy efficiency. Available in traditional and contemporary designs with custom hardware options. Supplied and fitted with precision to enhance property kerb appeal.
Electrical Services
Our NICEIC-registered electricians handle domestic rewires, consumer unit upgrades, and smart home installations. Services include fault finding, LED lighting retrofits, and EV charging point fitting. All work complies with BS7671 standards for safety and reliability.
Roof Lanterns
Aluminium roof lanterns with thermally broken frames illuminate extensions and stairwells. Designed to prevent condensation, they feature toughened double-glazed units and low-profile perimeters. Enhances natural light without compromising thermal performance.
Questions
Do you offer both supply and installation services?
Yes, we supply all products and provide professional installation by our experienced team across Middlesbrough and Stockton-on-Tees.
What materials do you work with for windows and doors?
We specialise in UPVC, aluminium, and GRP composite materials to suit different property types and budget requirements.
Are your products energy efficient?
All windows and doors meet current Building Regulations with options for A+ energy ratings using low-E glass and insulated frames.
Do you have showrooms to view products?
Yes, visit our Middlesbrough or Stockton-on-Tees showrooms to see full-size displays of our windows, doors, and conservatories.
What electrical services do you provide?
We offer domestic rewires, lighting upgrades, EV charging points, and electrical fault finding services alongside our core products.
Reviews (3)
Amanda Craig
Jun 01, 2018
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Excellent service throughout. Full house window replacement, french doors and front door. Looks amazing and the fitters were fantastic.
Craig Brodie-Myers
May 13, 2018
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Won a competiton with Ultimate for boro tickets. Great service provided and good to deal with would recommend them. Cheers
Claire Lloyd
May 11, 2018
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I have had your guys fit my house with windows over a couple of days. Their service was next to none. Very polite and extremely tidy. I absolutely.
