About Us

We are the one of the top suppliers of windows and doors in london and use the information below to find answers to your questions.

Daylight Glazing Ltd

Daylight Glazing specializes in design, manufacture, installation and service of precision-engineered, 100% customized Aluminium windows and doors. With its diverse capabilities, deep knowledge of the Aluminium market, and global technologies  it has produced and installed over 1 million units that can withstand the UK’s extreme climatic conditions. Today, Daylight Glazing has firmly established itself as one of the trusted windows and doors brand, with presence all across the country. We are always working to grow our brands and the main reason we can do so is the fact that we support a lot of Market leaders such as Shuucco & Kawneer, allowing us to take on any project no matter how big or small.

What We Actually Do

We are one of, Hertfords excellent home windows and doors manufactures and suppliers. Established about a decade ago, Daylight Glazing today boasts of sales and service provider presence in all throughout the London.

Our Fitters are sub-contractors and all hold either Certass or Fensa qualifications, to check one of our installation teams, gain there Trading Name and check on:

FENSA: https://www.fensa.org.uk/find-installers


CERTASS: https://members.certass.co.uk/search/contractor

Empowered with information about London’s excessive situations, Daylight Glazing has designed Double Glazed windows and doors which are able to withstand London’s excessive climate. Our high overall performance products create an architectural dimension to the home and hold out avenue noise, dust, and pollution, rain, and wind. Our products live longer than buildings.

We’re in partnership with KAWNEER who’s one of the great manufactures of aluminum structures. No other organization draws from international-elegance infrastructure or has entire manage over the whole delivery chain of window production and set up. It takes all-around information in extrusion, layout, making plans, fabrication, delivery all-around and installation to supply a world-class window.

We have huge-ranging abilities and with Daylight Glazing a client is assured of the end to end service beginning from choosing proper designs, site survey, fabrication, delivery and set up. As window professionals, Daylight Glazing takes pleasure in its potential to serve individual houses and huge builders with equal ease. Situated in the united kingdom, our national service infrastructure allows us to provide window solutions and execute orders of any length, irrespective of where you are.

Why Choose Us

By choosing us, you’re choosing high-quality, tailor-made windows from a company you can trust. Read more about the benefits of Daylight Glazed windows. We’ve been trading for more than 50 years and go out of our way to make replacing your windows an easy experience, from planning to payment. We always offer great quality products backed by strong guarantees.

We pride ourselves on giving an excellent after sales service in the unfortunate and rare occurrence something goes wrong with your doors and/or windows. Conservatories are also something we specialise in.

Route To Your New Windows And Doors


We will perform the site survey and provide you with the quotation for your windows and doors. After having a discussion with you, we will finalize the price.


We will manufacture the product according your design After completing the manufacturing, we will deliver it to the work site and start installing it.


After the installation, we will close the deal with final payment. We will perform a photo-shoot for the future reference.

One of The Best Double-Glazing Companies in Hertfordshire & London

Manufacturers of Double glazed windows and doors Units for Hertfordshire & London

Daylight Glazing’s partners stretch wide and far, thus Hertfordshire is our companies’ heart and head office meaning that, most of the home owners in and around the great county of Hertfordshire have heard of or used our supply and fit (installation) services. We were announced by ‘’The Double Glazier Magazine’’ to have the most positive reviews in Hertfordshire.

Daylight glazing are considered one of the main manufacturers of double glazing in Hertfordshire which includes the county cities such as Watford, Stevenage, st albans and Hemel Hempstead. We manufacture more than 500 double glazed units per week just for the Hertfordshire county which includes systems of upvc & aluminium windows and doors.

Get a quote for your Double glazing needs

Feel free to contact us anytime!! We are here to help you.

Aluminium & UPVC all in one place


We provide End-to-End Solutions for doors. These doors are embellished with The finest hardware, airtight sealing and glass options. The doors insulate your home from noise, Rain, Wind, Dust, Pollution and Termites.


Our windows systems are to the latest standards of the FCC and fensa and we thrive to deliver the best systems most up to date and versitile in todays market. Give us a call and gain a free over the phone quote today.


We'll provide you a perfect conservatory in our durable, low-maintenance Aluminium sections. You can choose your favourite design, add a glass solid roof & we can build it to your precise requirements or if you simply want to upgrade your existing conservatory, we can do that too.

Replacement double glazing, Windows & Doors for Hertfordshire

Replacement double glazing has never been more needed until 2019 when a home owners survey displayed, that the most known reason for helping a houses sale or value increase were its windows and doors being replaced from old to new glazing. We replace more than 250 units of double glazing per week which includes windows, doors, conservatories, roof lights and much more.

What is Replacement Double Glazed Units?

A replacement unit is much better than a simple repair. When a double-glazing unit is unrepairable then its time for a new unit which replaces the old one. Whether it’s a upvc door or aluminium door, double glazed window or alu window its known as a unit. The benefit of replacement glazing is, you as a home or office owner will gain a brand new warranty which lasts a minimum of 10 years with upvc and 15 years for Aluminium and means total ‘’peace of mind’’ for you (the buyer). Another replacement type is from pvcu to aluminium which could be down to security reasons or even insurance requirements but at the end of the day, you have total peace of mind with Daylight Glazing.

Whats the difference between residential & Commercial Glazing for Hertfordshire?

The big difference is mainly the brand that is used for office blocks, making the frames and unit types sturdier and more durable than home units. Residential home double glazing has a wider range of brands and products to choose from within the market than a commercial residence would typically have. The most types of doors used in homes are, bifold doors, composite doors, sliding doors, hung windows, sliding windows and bay windows and the most types used in commercial are sliding, panoramic and hung due to security tight and durability.

For interest within the London area you can check out windows and doors company of London