Choosing the right window company is essential for improving your home’s comfort, security, and overall appearance. With so many options available, it can be difficult to know where to start. To help you make an informed decision, we’ve compiled a list of the top 10 best window companies in the UK for 2026. These top window companies stand out for their exceptional quality, customer satisfaction, and reliable service, offering the best solutions for your window replacement and installation needs.
Location：Liberator Road, Norwich, Norfolk, NR6 6EU, United Kingdom
Year Found：1966
Business Type：
Home Improvement & Window Installation Company
Main Porducts
- uPVC windows
- Aluminium windows
- Timber windows
- Front and back doors
- French doors
- Patio doors
- Bi-fold doors
- Conservatories
- Roof trims
- Cladding
- Garage doors
- Blinds and shutters
Features
- Wide Range of Window Styles
Anglian offers a broad selection of window types, including uPVC, timber, and aluminium options, allowing homeowners to choose according to design preference and performance needs. - Energy‑Efficient Glazing Systems
Their windows include double and triple glazing designed to enhance insulation, reduce heat loss, and improve overall home energy efficiency. - Comprehensive Home Products
In addition to windows, Anglian provides doors, conservatories, and roofline products, making it a one‑stop solution for home exterior improvements. - Tailored Installation Options
Anglian offers custom sizing and personalized installation, ensuring windows and doors are fitted to each home’s exact specifications.
Company Information
Anglian Home Improvements is a top home improvement company in the UK, specializing in high-quality windows, doors, conservatories, and other home enhancement products. Established in 1966, Anglian has nearly 60 years of experience in the industry and is renowned for its commitment to quality and customer satisfaction. With a national presence across England, Scotland, and Wales, Anglian manufactures all products in the UK, ensuring high-quality standards and supporting British craftsmanship.
Advantages
Anglian Home Improvements excels by offering a comprehensive range of products, including uPVC, timber, and aluminium windows, doors, and conservatories. Its extensive coverage across the UK and focus on British manufacturing set it apart from competitors. Anglian’s commitment to quality is backed by industry-leading certifications and a robust 10-year guarantee on products. With an impressive installation record of over 500,000 windows and doors each year, Anglian continues to be one of the best window companies in the UK.
Location：Gardeners Street, Dunfermline, KY12 0RN, Scotland
Year Found：1917
Business Type：
Window & Door Manufacturer and Installer
Main Porducts
- PVC and aluminum window and door systems
- Façade claddings and roof systems
- Terrace plank systems and roller shutters
- Interior applications such as skirting boards and window sills
- Outdoor living solutions like decking and pergolas
- Recycled and composite materials under the Twinson brand
Features
- Varied Window Material Options
CR Smith offers a wide selection of window materials including uPVC, timber, and composite frames, giving homeowners flexibility in style and performance. - Energy‑Efficient Glazing
Their windows come with double and high‑performance glazing designed to improve insulation, reduce heat loss, and boost energy efficiency. - Comprehensive Door Solutions
In addition to windows, CR Smith provides front and back doors, including patio and French door options, to complement different home styles. - Custom Sizing and Styles
CR Smith windows and doors are available in custom sizes and styles to fit both modern and traditional architecture.
Pros
- Wide variety of window materials: Offers a range of window materials including uPVC, timber, and composite, catering to different customer needs.
- Excellent customer reviews: Has received high ratings from customers, with many praising the quality of installation services.
- Offers energy-efficient options: Provides energy-efficient options that help reduce energy consumption and heating costs.
Cons
- Higher price point compared to some competitors: Prices may be higher compared to some competitors, making it less suitable for customers on a limited budget.
- Limited to certain geographic regions for installation: Installation services are geographically limited and available only in certain areas.
Company Information
CR Smith stands out as a best uPVC window manufacturer in Scotland, with over 50 years of experience in designing and installing windows tailored for Scottish homes. This british top window company manufactures all its products in its Fife-based facility, ensuring top-notch standards and supporting local craftsmanship. CR Smith serves customers across Scotland, with offices in Dunfermline, Glasgow, Aberdeen, and Inverness.
Advantages
CR Smith offers a unique advantage as one of the top uPVC window manufacturers in Scotlan, UK, renowned for its Lorimer range designed specifically for the region’s climate. The window and door company guarantees exceptional thermal efficiency and aesthetic appeal in its products. Additionally, CR Smith provides a comprehensive 10-year triple guarantee, covering product, installation, and security, alongside a 24/7 emergency call-out service. Their commitment to customer satisfaction is reflected in an outstanding 98% recommendation rate in industry surveys.
Location：Foshan, China
Year Found：2008
Business Type：
Chinese aluminum windows & doors manufacturer
Main Porducts
- Aluminium windows
- Aluminium doors
- Kitchen cabinets
- Bathroom vanities
- Wall panels
Features
- Advanced Manufacturing
Utilizing Industry 4.0 automation for precise, high‑quality production. - Customization
Full range of bespoke products, ensuring perfect fit and design for each client’s needs. - Energy Efficiency
Products designed to reduce energy costs, featuring double and triple glazing options for windows and doors.
Company Information
PA Home is a top manufacturer and supplier of custom home solutions, specializing in aluminium windows and doors, kitchen cabinets, bathroom vanities, and wall panels. Established in 2008, PA Home has over 17 years of experience in the global market, serving more than 80 countries and completing over 42,000 projects. The company operates a large-scale factory in Zhaoqing, China, covering 80,000 square meters, where it produces factory windows and other custom products with advanced technology. With 10 Industry 4.0 automated production lines, PA Home ensures high-quality manufacturing and precision.
Advantages
As a trusted aluminium window supplier, PA Home offers some of the best factory windows solutions in the industry. The company’s aluminium windows are designed for durability, energy efficiency, and aesthetics, making them a popular choice for both residential and commercial projects. PA Home’s commitment to quality and its ability to handle large-scale projects has made it a preferred partner for developers and contractors worldwide. With a focus on precision and a robust after-sales service, PA Home provides clients with reliable and innovative window solutions.
Location：Station Road Industrial Estate, Lenwade, Norwich, Norfolk, NR9 5LY, United Kingdom
Year Found：2008
Business Type：
UK Window & Door Installation and Replacement Service
Main Porducts
- uPVC double glazing windows
- Composite doors
- uPVC doors
- Double glazed doors
- Bi-fold doors
- Garage doors
Features
- Wide Window Selection
First Home Improvements offers a variety of window types, including uPVC, timber, and aluminium options to suit different architectural styles. - Energy‑Saving Glazing
Their windows include double glazed units designed to reduce heat loss and improve home insulation. - Doors and Additional Products
Besides windows, they provide front and back doors, patio and French doors, and other home improvement products. - Professional Installation Service
First Home Improvements emphasizes quality installation with focus on workmanship and customer satisfaction.
Company Information
First Home Improvements is a local window supplier in the UK and one of the earliest double glazing window companies. Specializing in the installation of high-quality uPVC windows and doors, the company has been providing excellent customer service for over 40 years. They offer a comprehensive range of products, ensuring great thermal efficiency and security. As a family-owned business, they primarily serve East and South East England, offering installation and repair services to homeowners.
Advantages
First Home Improvements stands out as one of the best double glazing window companies in the UK, thanks to its long-standing experience and commitment to quality. Their uPVC double glazing windows are highly energy-efficient, with A+ ratings. Offering a 12-year guarantee on installations, they provide one of the most extensive warranties in the industry. As a local window supplier in the UK, First Home Improvements is known for its reliability and customer satisfaction, reflected in its 4.5/5 Trustpilot rating. The company also offers flexible financing options, ensuring accessibility for a wide range of customers.
Location：Britelite House, Bircholt Road, Parkwood Trading Estate, Maidstone, Kent, ME15 9XY, United Kingdom
Year Found：1970
Business Type：
UK Window & Door Installation and Manufacturing Company
Main Porducts
- uPVC double and triple glazing windows
- Aluminium windows
- Composite doors
- uPVC doors
- Bi-fold doors
- Sliding doors
- Conservatories
Features
- Comprehensive Window Range
Britelite offers double and triple glazed windows in a variety of styles and materials to suit different home designs. - Energy‑Efficient Glazing
Their glazing systems are designed to improve thermal performance, helping reduce heat loss and lower energy bills. - Quality Doors and Extensions
In addition to windows, Britelite provides entrance and patio doors as well as conservatories and home extension solutions. - Long‑Term Guarantee
Many products come with a fully transferable long‑term guarantee, giving homeowners added confidence and peace of mind.
Company Information
Britelite Windows has established itself as a trusted name in the UK’s window and door installation market. Operating for over five decades, the company specializes in affordable, high-quality uPVC and aluminium windows. Britelite primarily serves the South East of England, offering not only windows but a variety of complementary products, including doors and conservatories, designed to meet the needs of modern homes.
Advantages
Known as one of the most affordable window companies in London, UK. Britelite provides solutions that balance quality with cost-effectiveness. Their uPVC and aluminium windows come with BSI Kitemark certification, ensuring reliability and safety. The company offers a range of financing options, such as 5 to 10-year payment plans and 12-month “buy now, pay later” schemes, making high-quality window solutions accessible to a wider audience. Britelite’s competitive pricing, coupled with their long track record of customer satisfaction, positions them as a reliable choice for homeowners seeking affordable yet durable window solutions.
Location：Francis House, Freebournes Road, Witham, Essex, CM8 3UN, United Kingdom
Year Found：1889
Business Type：
UK Window & Door Manufacturing Company
Main Porducts
- Steel windows
- Aluminium windows
- Custom-designed windows and doors
- Hardware for windows and doors
Features
- Classic Design
Crittall windows are known for their detailed steel frames and large glass panels, ideal for both modern and historical buildings. - High Energy Efficiency
With double and triple glazing, Crittall windows help improve home energy efficiency and reduce heat loss. - Customization Services
Offers a variety of customization options to meet the needs of different architectural styles.
Company Information
Crittall Windows is one of the world’s best steel window manufacturers, with over 170 years of history. Specializing in steel-framed windows, Crittall has established a reputation for providing solutions used in heritage buildings across the UK. The company’s products are known for their durability, security, and aesthetic appeal, making them ideal for both modern and historic buildings. Crittall provides highly customizable solutions to meet diverse architectural needs and continues to innovate with energy-efficient designs.
Advantages
Crittall Windows is renowned for its steel window systems, which are widely used in the restoration of historical buildings in the UK. With over 170 years of expertise, they offer unmatched quality and craftsmanship in steel window manufacturing. The company’s products come with the benefit of robust security features and long-lasting durability. As one of the top steel window manufacturers globally, Crittall provides high-performance windows that combine modern efficiency with traditional design, making them a top choice for both conservation projects and contemporary designs.
Location：5 Peregrine Place, Moss Side, Leyland, Lancashire, PR25 3EY, United Kingdom
Year Found：2004
Business Type：
Window, Door & Conservatory Installer
Main Porducts
- Double glazing windows
- Replacement doors
- Conservatories
- Sliding doors
- Bi-fold doors
Features
- Versatile Window Styles
Clearview offers a range of uPVC and aluminium windows, including classic and modern designs to suit different home aesthetics across Cheshire, Lancashire, and the North West of England. - Energy‑Efficient Glazing
Their double‑glazed and optional triple glazed units are designed to improve thermal performance, reducing heat loss and helping enhance home insulation. - Doors and Extensions
In addition to windows, Clearview provides front and back doors in various materials and styles, as well as conservatories, orangeries, and home extensions for complete exterior upgrades. - Custom Design Options
Clearview supports tailored designs and finishes, allowing homeowners to choose colours, styles, and configurations that match their property’s look and personal preference.
Company Information
Clearview Home Improvements specializes in the installation of windows, doors, and conservatories across the UK. The company offers a range of modern design products, including double glazing windows and replacement doors, focusing on energy efficiency and security. Clearview operates multiple showrooms and has built a solid reputation for providing high-quality installations.
Advantages
As one of the best companies for windows and doors in the UK, Clearview Home Improvements is known for its reliable and affordable installation services. The window brand offers a broad selection of energy-efficient window solutions, making it a top choice for homeowners looking for quality and cost-effective options. Clearview also provides excellent customer support through its extensive showroom network, ensuring clients receive personalized guidance and expert service.
Location：Unit 6, Bridge Road Industrial Estate, Bridge Road, Kingswood, Bristol, BS15 4TA, United Kingdom
Year Found：1978
Business Type：
UK UPVC Window & Door Manufacturing Company
Main Porducts
- uPVC double glazing windows
- Replacement doors
- Conservatories
- Roofline products (fascias, soffits, guttering)
Features
- Wide Variety of Window Styles
CR Windows supplies a range of uPVC window types, including casement, sash, tilt-and-turn, bow and bay, and flush sash windows, designed to suit many home styles. - A‑Rated Energy‑Efficient Glazing
Their windows are A‑rated for energy efficiency by the British Fenestration Rating Council (BFRC), helping improve insulation and reduce heat loss. - Doors and Conservatory Options
In addition to windows, CR Windows offers front and patio doors, French doors, and conservatories to complement full exterior home upgrades. - Made‑on‑Site Manufacturing
All products are manufactured on site in their Bristol factory, allowing greater control over quality, custom colours, and finishes.
Company Information
CR Windows is a well-established window and door installation company based in Bristol, specializing in high-quality uPVC double glazing products. With over 45 years of experience, the company has become one of the best window companies in Bristol. CR Windows offers a wide range of products, including double glazing windows, replacement doors, and conservatories, focusing on energy efficiency and security.
Advantages
CR Windows is recognized as one of the best window companies in Bristol, providing reliable and affordable window and door solutions. This best rate window company offers uPVC double glazing windows that meet high-quality standards and come with a 10-year guarantee. Known for its professional installation team, CR Windows has built a strong reputation for excellent customer service and high-quality products. The company is also BSI Kitemark certified, ensuring that all products meet stringent safety and performance standards.
Location：4 Grecian Crescent, Upper Norwood, London SE19 3HH, United Kingdom
Year Found：1999
Business Type：
British Home Improvement & Window Installation Company
Main Porducts
- uPVC double glazing windows
- Aluminium windows
- Composite doors
- Bi-fold doors
- Sliding doors
Features
- Wide Selection of Window Types
Premier Windows offers a range of window styles including casement, sash, bay & bow windows, allowing homeowners to choose designs that fit both traditional and modern homes. - Energy‑Efficient Glazing
Their windows often come with double glazing features designed to reduce heat loss and improve home insulation, boosting overall energy performance. - Doors & Related Products
In addition to windows, Premier provides complementary products such as front and back doors, patio & French doors, giving a full exterior upgrade solution. - Custom Sizes & Finishes
Premier Windows supports custom sizing and glazing options, enabling tailored solutions that match specific property requirements.
Company Information
Premier Windows Ltd operates in South London, specializing in the installation of uPVC, aluminium, and timber windows. With over two decades of experience, they offer tailored solutions that prioritize both functionality and design. Their product range includes a variety of window and door styles suitable for modern and traditional properties. Premier Windows is known for delivering precise installations with a focus on meeting individual customer needs.
Advantages
Recognized as one of the best window suppliers in London, Premier Windows Ltd offers some of the most durable and energy-efficient products available. Their uPVC, aluminium, and timber windows are designed for long-term performance, making them a trusted option for homeowners seeking high-quality, sustainable solutions. With a 10-year warranty and FENSA certification, Premier Windows provides peace of mind, ensuring that every installation adheres to the highest industry standards. Customers consistently praise the company for its professional service, timely installations, and competitive pricing, solidifying its position as a top choice for window installations in the London area.
Location：29 Bridgford Road, West Bridgford, Nottingham, NG2 6AU, United Kingdom
Year Found：2013
Business Type：
uPVC and Aluminium Window & Door Supplier and Installer
Main Porducts
- uPVC double glazing windows
- Aluminium windows
- Composite doors
- Bi-fold doors
- Sliding doors
- Conservatories
Features
- Tailored Window Designs for Heritage Properties
The Nottingham Window Company specializes in windows that are perfect for heritage properties, offering a range of traditional timber windows alongside modern uPVC solutions. Their expertise in restoring and installing period windows makes them ideal for homeowners seeking an authentic look. - Energy Efficiency and Security
Their double glazing options include features that enhance energy efficiency, reduce noise, and improve security with multi-point locking systems, making them a solid choice for energy-conscious and safety-aware customers.
Company Information
The Nottingham Window Company specializes in providing high-quality uPVC, aluminium, and composite windows and doors. With over 10 years of experience, the company has built a strong reputation in the Nottingham area for delivering exceptional products and installation services. This window & door brand supplies a variety of energy-efficient solutions tailored to both modern and traditional properties, ensuring a perfect fit for any home.
Advantages
As one of the best rated window companies in Nottingham, The Nottingham Window Company is known for its premium double glazing solutions. The company’s uPVC and aluminium windows are designed for durability, energy efficiency, and aesthetics. They also offer a wide selection of bi-fold and sliding doors, ideal for homeowners looking to enhance the functionality and appearance of their properties. With a strong focus on customer satisfaction, The Nottingham Window Company ensures reliable, professional installation and a 10-year guarantee on all products. Their commitment to quality has earned them recognition as one of the British best window replacement companies.
Conclusion
Choosing the right window company is key to improving your home’s comfort and appearance. The companies listed here are the best in the UK for 2025, known for their quality and service.
For a reliable and professional solution, consider contacting PA Window quickly for top-quality windows.
FAQs about British Best Window Companies
Anglian Home Improvements is currently the largest window company in the UK, with branches across England, Scotland, and Wales.
The average cost for double glazing in a three-bedroom house is approximately £4,500, depending on window size, material, and location.
Use online directories like Checkatrade, Trustpilot, or Glazing Network to compare reviews and get quotes from local window companies.
Contact multiple companies to request quotes. Provide details about your requirements, such as:
Type and number of windows/doors.
Preferred materials and styles.
Installation timeframe.
Local window companies in the UK often provide quicker, more personalized service. They are also familiar with local building regulations and the specific needs of homes in the area. Many local companies also offer warranties and can respond faster in case of any issues.
