General

THE Go-To Supplier of Trade Aluminium Windows When sourcing aluminium windows for trade, you need a supplier you can trust — one that delivers quality, consistency, and reliability. At 23 Doors Limited, we specialise in supplying high-performance aluminium windows tailored to the needs of trade professionals, from builders and developers to architects and installers. Here’s why we’re … Read more

When it comes to purchasing supply-only sliding doors, choosing the right company can make all the difference between a smooth project and an endless series of delays and compromises. That’s where 23 Doors stands apart. Whether you’re a developer, contractor, designer, or a savvy homeowner, 23 Doors offers a streamlined, high-quality, and reliable solution that ensures your … Read more

When choosing new doors or windows for your home or commercial property, one of the key terms you’ll come across is the U-value. At 23 Doors Limited, we’re passionate about helping our customers make informed choices, so let’s break down what U-values are and why they matter. What Is a U-Value? A U-value (also known as thermal transmittance) … Read more

When it comes to creating a seamless connection between your indoor and outdoor spaces, few features are as striking or practical as aluminium bifolding doors. Offering a perfect combination of sleek design, durability, and versatility, aluminium bifolding doors have become a top choice for homeowners, architects, and developers looking to enhance both the look and functionality … Read more

When it comes to designing a modern, energy-efficient, and visually stunning property, your choice of doors and windows plays a major role. That’s where Alunet aluminium doors and windows truly stand out. Offering a perfect fusion of cutting-edge engineering, sleek aesthetics, and long-lasting performance, Alunet products have become a go-to for homeowners, architects, and developers seeking quality … Read more

There’s something undeniably uplifting about a home bathed in natural light. From boosting your mood to reducing your energy bills, the advantages of sunlight streaming into your living space go far beyond aesthetics. The good news? With the right windows—particularly Alunet aluminium windows—you can make the most of the natural light available to you. Here’s why … Read more

When it comes to choosing the right windows for your home or commercial space, the material you pick plays a major role in aesthetics, durability, and energy efficiency. One material that’s steadily rising in popularity is aluminium—and for good reason. Aluminium windows offer a perfect blend of modern design, strength, and sustainability, making them a top … Read more

Manchester has long been recognised as a powerhouse of British industry, and today it continues to thrive as a centre of innovation, manufacturing, and trade. For companies in the window and door sector, being based in Manchester offers a number of strategic advantages — from access to skilled labour and excellent transport links to a … Read more

Aluminium sliding doors have become a popular feature in modern homes and commercial spaces, and for good reason. Sleek, stylish, and highly functional, they offer a range of benefits that go far beyond aesthetics. Whether you’re planning a new build, a renovation, or simply looking to upgrade your current doors, aluminium sliding doors could be … Read more