The quick way to find a local Single / Double Glazing specialist in Knebworth

AYG Construction Ltd

Single / Double Glazing

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I highly recommend AYG Construction , very good job quickly done very reasonable quote, thanks to Adrian for his hard work. Finished double storey extension on time and very helpful throughout.Excellent quality and price. Welcome back any time. Thank you!

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Reviewed by Mark on 20/1/2016

Adrian and his team met or exceeded my expectations, always willing to match my needs and finished the job on time and within budget.

BRAHAM GLAZING LTD

Single / Double Glazing

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We are "Braham glazing Limited" a reliable family company in London. We provide our customers with high class and excellent quality designs and build services whether it's windows, doors, conservatory or a porch throughout the UK. We respect the individual expectations of each customer and provide tailor-made solutions with bespoke products designed specifically for each customer. We work with passion and dedication towards every job big or small.

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Reviewed by Avril on 19/8/2022

The 2 men worked hard and I'm very pleased with my windows and patio doors. They also cleared everything up afterwards.

Conserv-A-Tech

Single / Double Glazing

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We are a specialist local company dedicated in the construction of Conservatories, Orangeries, Glazed solid tiled roof extensions, Garage Conversions, Energy rated Windows & Doors, Bi-folding Doors, Composite Doors.

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Reviewed by Jeffery on 3/1/2015

Would recommend to use them

Rated People

Single / Double Glazing

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Loft conversion specialist, with 25 years worth of experience.

B FIX

Single / Double Glazing

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Founded in 2025, Bfix has established itself as a leader in luxury construction and interior design. Like a hive of diligent bees, our team works tirelessly to turn dreams into reality, creating spaces that are not only beautiful but also built to last. We pride ourselves on our ability to deliver superior craftsmanship and exceptional service. What We Offer Free On-Site Inspection – We carry out a full technical assessment to identify damage to floors, ceilings, walls, and fixtures. Trace & Access Support – We assist in locating hidden leaks and identifying areas affected by moisture. Repair Planning – We help outline the works required for restoration, based on what insurers typically expect to see. Supportive Documentation – We provide clear, itemised findings that you can use if you choose to start an insurance claim. Referral to Insurance Claim Experts – If required, we can introduce you to regulated professionals who manage claims directly on your behalf. Why Choose Bfix? Unmatched Expertise: Over many years of experience in luxury construction. Tailored Solutions: Custom designs that cater to your specific needs. Superior Quality: Premium materials and meticulous craftsmanship. Customer Satisfaction: We prioritize your vision and ensure a seamless construction process.

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Reviewed by Jay on 19/2/2026

BBC windows and doors

Single / Double Glazing

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Over 15 years experience specialising in Double glazing. We offer supply and fitting for upvc and aluminium windows, upvc and aluminium doors,composite doors, patio doors, by folding doors, and many more. All product and work guaranteed for 10 years. we offer a wealth of skill and knowledge bringing unrivalled expertise to our customers. For your peace of mind we have liability insurance which covers up to £2m

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Reviewed by charlie on 28/12/2024

Really pleased with Ibrahim's service. Price was fair, installation was easy and more than happy with the end product. Would recommend. 5 stars!

J MCMAHON LIMITED

Single / Double Glazing

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Bedfordshire based carpentry and property improvements company . offering carpentry internal and external , as well as having a strong diverse team of different trades operating within the company , all aspects of building work taken on board and a professional job from start to finish .

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Reviewed by Christopher on 27/3/2026

Very unprofessional Postponed the agreed date and then ignored all messages Avoid!

Ivory Co

Single / Double Glazing

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Here at Ivory we are a family run business which has gained an excellent reputation as a supplier and installer of UPVC and Aluminium Windows and Doors. We supply and install bespoke double glazing with you in mind. No Job is too big or small so please do not hesitate to contact us via our Email or Phone number.

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Reviewed by Anthony on 6/3/2020

Very disappointed indeed. No attention to detail. Would never use again.

URBAN MODERN HOMES LTD

Single / Double Glazing

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We are a team of highly skilled individuals, with a great sense of professionalism and integrity. Our purpose is to deliver the transition from our customer's vision to reality and strive to bring satisfaction and joy with the results of our work. We aim to offer the best possible service while building trust with our clients. Having over a decade experience in the building industry, gives us the possibility to be quick, flexible and efficient.

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Reviewed by Zillionz on 2/5/2024

ENTER GLAZING EMERGENCY LTD

Single / Double Glazing

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With 20 years’ experience in the trade, at Enter Glazing we provide a full 24-hour wide range of services in and around M25, London. We know how important it is to do the job right, that's why we are here to continue providing exceptional planned and reactive glazing services, ensuring homes and businesses are kept running smoothly. Here for all your glazing needs, we continuously strive to make improvements to our services and emergency response times, working to the highest standards for the benefit of our customers. Our goal is to carry on growing and expanding upon our services.

1st Central

Single / Double Glazing

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Leading supplier of double glazing of PVC and Aluminium and wooden windows, doors and conservatories. High quality double glazed windows and doors at affordable prices. UPVC, sliding sash, Bi-folding doors, Aluminium & Composite doors a wide range of bespoke designs from suppliers. Leading supplier of double glazing, PVC-U windows, patio doors and conservatories in Essex, Enfield & North London, with highly competitive rates, Delivering value for money.

GW Glass

Single / Double Glazing

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GW Glass Here at GW Glass, we supply and install all windows and bifold doors and all types of units, we can help you make your home more luxury living. We do all types of maintenance on windows and doors. - broken down units -broken hinges -broken mechanism's - all types of single glazing GW Glass also designs and installs a wide range of glazing solutions to domestic and commercial clients across London, Essex and Hertfordshire. We are highly skilled and knowledgeable with the installation of affordable, quality windows and doors. Over 15 years experience, you are in safe hands.

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Reviewed by Alex on 6/3/2026

Gru Co LTD

Single / Double Glazing

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Who We Are Glass R Us, the trading name of Gru Co Ltd, is a family-run business with over 60 years of combined industry experience. We are proud to offer a comprehensive range of glazing, window, and door solutions for both residential and commercial clients across London and beyond. Our reputation is built on delivering high-quality craftsmanship, exceptional service, and a commitment to customer satisfaction. Our Mission At Glass R Us, our mission is simple: to transform spaces with precision-crafted glass solutions that combine functionality with aesthetic appeal. We are dedicated to enhancing the homes and businesses of our clients through innovative designs, sustainable practices, and reliable service. Our goal is to exceed expectations on every project, no matter the size or complexity. What We Do We specialise in supplying and installing a wide variety of products, including: • Glazing • Windows and doors (UPVC, aluminium, timber) • Mirrors and splashbacks • Shower screens and glass doors • Partitions and balustrades Our expertise extends from small residential upgrades to large-scale commercial installations. Every project is customised to meet the unique needs of our clients, blending practicality with style. Our team’s professionalism is reflected in our industry certifications with Assure, PQS, Constructionline, and Acclaim, demonstrating our commitment to adhering to the highest standards. Our Service Area Based in London, we primarily serve clients within the M25. However, we are flexible and willing to travel beyond this area depending on the specific requirements of your project. Whether you’re in the heart of the city or in the surrounding regions, we bring our expertise directly to your doorstep. Get in Touch We understand that your time is valuable, which is why we make it easy to get in touch with us. Whether you prefer to call or email, our team is ready to respond quickly and efficiently. For urgent needs, we also offer out-of-hours emergency services, ensuring that help is always just a phone call away. Our Promise At Glass R Us, we believe that the customer experience is just as important as the work we do. From the initial consultation to the final installation, we are with you every step of the way.

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Reviewed by jason on 10/2/2014

Great service, reliable, fast and cheap also. I would highly recommend them

Windowell Limited

Single / Double Glazing

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Windowell is not your typical glazing company. Why? Because we genuinely care about our clients and the quality of work that we do. We specialise in all things glazing and offer a range of products designed to suit every requirement and budget. Whether you are looking for straight-forward PVC windows or you would like to discuss some architectural glazing please allow us the opportunity to provide a quote where we will demonstrate why Windowell is the perfect partner for you. No matter your glazing requirements, Windowell can offer you the solution. Our product range includes: - PVC Windows & Doors - Aluminium Windows & Doors - Timber Windows & Doors - Composite Doors - Bifold Doors - Sliding Doors (including new slim sightline range!) - Porches & Conservatories - Extensions & Sunrooms - Cupolas & Roof Lanterns - Velux Windows - Glass Balustrades & Composite Decking - Garage Conversions - Commercial Glazing & Curtain Walling So if you have an upcoming project - no matter how big or small - please allow us the chance to provide you with a quotation. We know you won't be disappointed.

EasternEuropeanWorkforce

Single / Double Glazing

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Hello! We are a team of tradesmen who work hard to make building ideas a reality. With all our commitment and skills, our work is up to a high standard. Full refurbishment, extensions, lofts. Feel free to ask for a quote. Anytime you are welcome.

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Reviewed by Yinka on 14/2/2025

Very conscientious, I’m Well impressed with how Professional and reliable Oleg was and this is 6 months after he finished the job.

Constantin Popa

Single / Double Glazing

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Together with my team we are providing very good services at the lowest costs.

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Reviewed by Darren on 11/8/2023

Brilliant work, all finished to high standard and finished quickly.

Chereji Construction LTD

Single / Double Glazing

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Chereji Construction Ltd is a trusted, we boast over 8 years of industry experience.Our team specialises in a range of service, Painting&Decoration , Interior/Exterior,Bathroom Fittings, Kitchen Fittings, Tilling,Full refurbishment,Carpentry plus more! We have experience in all industry sectors including top-sec residential development.We know that our reputation is built by workforces ,so we pay great attention to their welfare,especially regarding health and safety .

Bloor Corporation LTD

Single / Double Glazing

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Bloor Corporation Limited – A Group of Specialist Construction Companies With over 25 years of experience across the construction sector, Bloor Corporation Limited is a group of specialist companies providing expert solutions for both commercial and domestic projects. Our divisions cover a comprehensive range of services, ensuring high-quality craftsmanship, innovation, and long-lasting results. With all in house operations we can control your project without dealing with multiple companies. Bloor Glazing Experts in bespoke glazing solutions, including heritage restoration, replacement units, structural glazing, curtain walling, and difficult-access installations. From small repairs to full system refurbishments, we deliver precision and durability. Bloor Roofing Specialists in roofing repairs, refurbishments, and new installations, covering flat and pitched roofs, leadwork, waterproofing, cladding, and full re-roofing projects. We ensure weatherproof and long-lasting solutions for all building types. Bloor Building & Maintenance Providing a full range of internal and external building services, including extensions, refurbishments, structural repairs, masonry, brickwork, plastering, rendering, and general maintenance. Our fully trained in-house teams ensure efficiency, safety, and top-tier craftsmanship. Bloor Landscaping & Groundworks Transforming outdoor spaces with hard and soft landscaping solutions, including paving, decking, garden design, retaining walls, fencing, excavation, drainage solutions, and groundwork services. We create functional and visually appealing landscapes tailored to each project. Bloor Sectional & Modular Buildings Designing and constructing modular and sectional buildings for various applications, including commercial, industrial, educational, and residential use. Our solutions offer flexibility, durability, and rapid installation times, minimizing disruption while maximizing efficiency. Bloor Civil Engineering & Structural Works Delivering specialist civil engineering and structural works, including foundation construction, reinforced concrete, steelwork, underpinning, demolition, and site preparation. We handle complex engineering challenges with precision and expertise. At Bloor Corporation Limited, we take pride in tackling even the most challenging projects with a commitment to excellence, innovation, and quality craftsmanship. Whatever your project requires, our specialist divisions have you covered.