Trade Windows, Doors and Building Products Supplier in Worthing & West Sussex

Here at MLI, we supply a wide range of building products and double glazing solutions. From windows, doors and lantern roofs to soffits and fascia boards - we have everything you need to complete any home improvement project.
Get in touch Composite Door Designer

Market-leading products

We stock quality products, hand-picked from market leading manufacturers of windows, doors, conservatories and accessories.

Quick turnaround

Whether collecting in-store or delivering to site, we're able to fulfil orders quicker than any of our competitors.

Customer-focused

We pride ourselves on our first-class customer service, ensuring tradespeople are able to offer first-class services in turn.

Why Choose MLI?

Our staff specialise in delivering great services to busy tradespeople. Our massive range of products are expertly specified, ensuring our clients are able to deliver the perfect project.
  • A range of products and finishes for complete versatility
  • Expert staff delivering exceptional customer service
  • Innovative technology for the ideal handover

Find our showroom   Book an appointment

Our Products

We take great pride in our commitment to excellence. We are committed to supplying the best windows, doors and conservatories with care that's why you can trust us for your project needs. Our team of experts take pride in manufacturing with care using only high-quality materials and newest technology. We work hard to provide our customers with quality products and services from start-to-finish. From using only high quality materials in manufacturing, such as aluminium or uPVC frames for windows and doors, to providing a free skip use, there is no better company than ours if you're looking for top notch service at an affordable price point. If this sounds good to you - contact us today!



Windows

We offer a wide range of windows with a selection of different styles available. All windows offer superior security and improved energy efficiency, while giving your home a slick, stylish new look that will stand the test of time with an extensive manufacturer’s warranty.

Doors

Our range of classic effect composite doors offer a secure but welcoming entrance to your home, while our range of uPVC doors blend perfectly with the style of your new windows. Bi-fold and French doors can be used to open up your living space to let the outside in, without compromising on security.

Glazing

Increase the energy efficiency and security efforts of listed buildings with our bespoke secondary glazing service. Our secondary glazing service is designed to remove the need for planning permission and completely protect the building.

Free skip use when replacing old for new

Our Brands

Latest News

Stay up to date
new composite doors

How To Choose Front Door Style For Your Project?

There are many styles of front doors available for purchase today, but not all will fit in well with every style of the building. There are several factors to be considered  when choosing the right style of door for your project. The style, functionality and security are obviously at the forefront. Read more and learn […]

Read more

Why Choose Tilt & Turn Windows?

Tilt & turn windows have long been a popular option for home and business owners because of the many benefits they provide. They’re not only energy efficient, but also easy to clean and maintain. It doesn’t matter if you want them for residential or commercial purposes because they work well on both types of construction. […]

Read more

Contact Us

    MLI Building Products

    Our Opening Times

    8am to 5pm Monday - Friday