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

APEX WINDOWS LIMITED

Single / Double Glazing

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Apex Windows. UPVC Window, Door and Conservatory Installers Apex Windows has been established since 1989 and we have vast experience in installing of PVC-u windows, doors and conservatories. We firmly believe that customers should be able to price their own windows, which is why we openly advertise our prices on our website and have a price calculator. We also advertise the same great prices on Google, Facebook, Which and on the sides of our vans - if you see one, give us a call! We are also happy to visit you in your own home and show you how we work out the cost of your windows, something unique within our industry. This makes the process an enjoyable experience rather than being exposed to high pressure sales techniques adopted by some other companies. We are also a FENSA Registered Company and all installations are registered with FENSA and a certificate issued to our customers. As well as our 10 Year comprehensive guarantee you are also issued with a 10 Year Insurance Backed Warranty. This gives our customers the peace of mind required when placing their order. Please take a look at our website and Trust-a-Trader/Which/Checkatrade/Trustpilot profils to see testimonials from our many happy customers. Apex Windows Search for "Apex Windows double glazing" in your area!

Latest homeowner review

Reviewed by Sonny on 10/3/2026

excelent have now used them over three times on different projects.... cannot be beaten on price, quality and customer service

Your Property Developers

Single / Double Glazing

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Carpentry (Certified Fire Door Installer/competent person) Electrical and general builder

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Reviewed by Abbie on 8/5/2026

GREATER LONDON GLAZING LTD

Single / Double Glazing

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Since our founding, Greater London Glazing has been known for quality services, exceptional efficiency and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet, but exceed your expectations and ensure your full satisfaction. Our team is up for every job, managing projects with the skill and experience our clients have come to expect. Please get in touch to learn more about our team, our company or for details about the services we provide. Our speciality is our response time, you can get in contact with us and we will have the job lined up within 2 hours. We operate on a delivering the fastest quality of service while still maintaining a high quality

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Reviewed by Anthony on 18/4/2026

AKONI CONSTRUCTION LTD

Single / Double Glazing

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Akoni Construction Ltd Building with Quality, Trust, and Experience Akoni Construction Ltd is a professional, multi-trade building company committed to delivering exceptional workmanship while providing complete peace of mind throughout every stage of a project. Our focus is simple: to ensure every client feels valued, understood, and confident from initial consultation through to final handover. We take pride in turning ideas into reality, delivering each project to the highest possible standard with precision and care. ⸻ Our Experience With over 20 years of industry experience, we have built a strong reputation for delivering high-quality construction projects across a wide range of sectors. Our portfolio includes: * Large-scale renovations * Extensions and structural works * Full property developments Today, Akoni Construction Ltd offers a complete, end-to-end building solution—managing every trade under one roof for a seamless and efficient client experience. ⸻ Our Services We provide a comprehensive range of construction services, including: * Full property renovations and refurbishments * Extensions and structural alterations * Bathroom and kitchen design & installation * Plumbing and heating systems * Electrical installations * Carpentry and bespoke joinery * Plastering and decorating * Roofing and external works All works are carried out by fully qualified, highly experienced tradespeople, ensuring consistent quality across every aspect of the build. ⸻ Our Approach We believe that successful projects are built on strong communication and collaboration. From the outset, we work closely with our clients to understand their vision, offering clear guidance, transparent pricing, and professional support at every stage. We also partner with trusted architects, designers, and structural engineers, enabling us to deliver a fully managed, stress-free service—from concept through to completion. ⸻ Our Commitment At Akoni Construction Ltd, we are dedicated to delivering: * Outstanding quality workmanship * Reliable and professional service * Clear, honest communication * Projects delivered on time and within budget We don’t just aim to meet expectations—we aim to exceed them, leaving every client confident in both the journey and the finished result. ⸻ Akoni Construction Ltd Delivering excellence in every build.

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Reviewed by Martin on 7/2/2026

U FIT SASH WINDOWS LTD

Single / Double Glazing

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upvc sash window specialists covering all aspects of double glazing, highly competitive and hassle free sales. Showroom open in Harlow Essex.

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Reviewed by Alice on 20/5/2019

Great team, professional and friendly, but more importantly did a great job!

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

AHCM PROPERTY

Single / Double Glazing

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I have 20 years Main Contracting experience covering all aspects of the construction industry; from design and planning to the full delivery of new build dwellings, extensions, refurbishments, period properties, conservation works, landscaping and utilities. Utilising this experience, I now work within the maintenance sector and on smaller projects offering a more personal service whilst still providing consultant/ construction management services for the larger schemes.

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Reviewed by Peter on 30/8/2025

C.G.P.Services

Single / Double Glazing

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Hello, my name is Anthony, but you can call me Tony, I've been working for myself now for just over Ten year's I've only just joined this site. Hence, no ratings trying to recover all old photos of my old phone, which i broke in lock down.ive never needed to advertise work found me.. now everything is online, so I wanted to give this site a try,I don't dress to impress I dress to work...I'm 48 my to kids are now 28,30 two lovely grandkids Tony

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Reviewed by Jason on 16/8/2025

BATEKRIS LTD

Single / Double Glazing

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We are a company with years of experience in many trades. We have done commercial and domestic construction and have learned many trades.

Belgrade Ltd

Single / Double Glazing

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With 20 years of experience in the construction industry, we have developed extensive knowledge and hands-on experience across a wide range of building projects. Belgrave Ltd take great pride in delivering high-quality workmanship, reliable service and excellent attention to detail. We believe in honest communication, professional standards and making sure every job is completed properly and to the customer’s expectations. Whether it’s a small job or a larger project, our aim is simple: provide a professional, reliable service and leave every customer completely satisfied with the finished result.

FM Property Services

Single / Double Glazing

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At our company, FM Property Services , construction is more than just building — it’s about creating spaces that our customers can trust, enjoy, and feel proud of. With over 15 years of experience, we are committed to delivering high-quality work while making sure every client feels valued and satisfied. We understand that every project is important, whether it’s a small job or a large development. That’s why we work closely with our customers, listening to their needs and turning their ideas into reality. Our team focuses on clear communication, reliability, and attention to detail from start to finish. Customer satisfaction is at the heart of everything we do. We aim not only to meet expectations but to exceed them by delivering projects on time, within budget, and to the highest standards. For us, a happy customer is the true measure of success — and we are proud to build lasting relationships along with strong, dependable structures.

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

JDL Builders

Single / Double Glazing

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JDL BUILDERS is a small local business that offers the highest standards of work at a fraction of the cost of all these big company's. we are proud that are customers can read this profile and see what we as a company stand for. CORE VALUES 1) RELIABILITY. you can always rely on JDL to meet target dates or do everything in are power to make sure we take any of ur stress away. 2)CONSISTENCY. Is key having a high standard of work.. an old man once told me ur only as good as ur last job. Employ the best and don't have the job done twice. 3) PASSION. JDL has a real passion to be the best in what we deliver. And hopefully all are reviews reflect this. and most of all HONESTY. JDL will always be totally honest with you..

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Reviewed by Ann on 3/8/2026

KP Bespoke Carpentry

Single / Double Glazing

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Hi im Karl I have been a Carpenter for over 20 years and specialise in bespoke Carpentry ranging from personalised wardrobes, flooring, 1st and 2nd fix carpentry work, I also specialise in wooden windows and doors, I have over 10 years experience fitting beautiful sash windows, casements Front doors French doors, you name it iv fitted it. I absolutely love my job and love bringing my clients plans / ideas to life, I understand building works can get expensive and clients have budgets thats why i have no problem going over your works / ideas, discussing an affordable price and getting you a high end quality finish. I look forward to working with you.

Latest homeowner review

Reviewed by Graham on 30/6/2026

Karl, did a brilliant job and at short notice. His friendly can do attitude is so refreshing and his quality of work is of the highest standards. My daughter is so pleased with her kitchen now. Thank you Karl

LJ Glazing

Single / Double Glazing

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LJ Glazing specialise in upvc windows and doors at affordable prices. With over 12 years experience, we pride ourselves on our high quality installations and making it a smooth process from start to finish. As we are a FENSA approved company you can be assured our work is done to a high standard and complies with building regulations. We give insurance backed guarantees for peace of mind when using LJ Glazing

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Reviewed by Graeme on 4/9/2023

Communication during the quote phase was patchy, but the price was reasonable and after awarding the job Luke fitted in with our availability, was punctual and courteous and the workmanship was of a good standard. I don’t expect to need him again, as this was a full replacement of windows and doors for the whole

Hub Joinery

Single / Double Glazing

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We are small independently owned joinery. We use only the highest quality materials, incorporating Accoya, the world's leading high tech timber and install our timber box sash windows to exacting standards. We also offer a full joinery and design services.

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Reviewed by Georgina on 8/12/2015

We haven't actually started the job yet but we've seen examples of his work and are in no doubt that he will be doing a good job. Very friendly and professional and got back to us with a quote and information extremely quickly.

Bullari LTD

Single / Double Glazing

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We have been working on building projects for last 8 years Wood floors Bathrooms Painting & decoration Garden tiles

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Reviewed by F on 2/4/2026

Not recommended