Why Security Standards Exist Choosing windows and doors for a home involves balancing many considerations, from architectural design and thermal performance to durability and everyday usability. Security is equally important, yet it can often feel more difficult to assess. While appearance and build quality may be immediately visible, it is far less obvious how a […]
Tag Archives: Window Specification
Why Every Building Site Is Different No two building sites are exactly alike, and neither are the environmental conditions that shape the performance of a building over time. While it is easy to think of glazing as a standard element that can be selected from a catalogue, architects approach specification from a very different perspective. […]
Sympathy Begins With Understanding the Building The word sympathetic is used frequently in discussions about period homes, yet it is often misunderstood. Many homeowners assume it simply describes a window that looks traditional, perhaps with glazing bars, timber frames or historic detailing. Architects use the term rather differently. For them, a sympathetic window is not […]
Passivhaus Is About Comfort, Not Just Energy Bills Mention Passivhaus and many people immediately think of exceptionally low energy bills, thick insulation and triple glazed windows. While these characteristics are often associated with Passivhaus buildings, they are not what defines the standard. At its heart, Passivhaus is a design philosophy centred on creating homes that […]
Triple Glazing Isn’t Automatically the Right Answer One of the most common misconceptions surrounding modern glazing is that triple glazing is always the superior choice. It is an understandable assumption. Three panes of glass sound inherently better than two, and as energy efficiency has become a greater priority for homeowners, triple glazing has increasingly been […]
What Are RAL Colours? If you have ever explored aluminium windows, you have almost certainly come across references to colours such as RAL 7016 or RAL 9005. To someone unfamiliar with the system, these numbers can seem confusing or overly technical. In reality, they are simply part of a standardised colour system that allows architects, […]
What Is Powder Coating? Powder coating is one of the most widely used finishes for modern aluminium windows and doors, yet it is often mistaken for little more than a durable layer of paint. In reality, it is a highly engineered finishing process designed to protect the aluminium while providing a consistent, long-lasting appearance. Its […]
What Exactly Are Alu-Clad Windows? One of the most common misconceptions about alu-clad windows is that they are simply timber windows with a thin layer of aluminium added for appearance. In reality, they are carefully engineered systems that combine two materials chosen for their different strengths. Rather than asking one material to do everything, alu-clad […]
Section 1: Treat the House as One Design Project, Not Twenty Separate Windows When homeowners decide to replace every window in their house, it is natural to begin by looking at the individual windows themselves. One may have failed seals, another may be difficult to open, while others simply look tired or no longer meet […]
Section 1: They Are Designed to Solve Different Problems Comparisons between aluminium and alu-clad windows often begin with the assumption that one is intended to replace the other. In reality, they were developed to address different architectural priorities. Both occupy the premium end of the market, both are capable of delivering excellent performance and both […]
Section 1: Good Specification Starts With the Building, Not the Window It is easy to assume that specifying windows begins with comparing materials, frame profiles or manufacturers. In practice, experienced architects usually work in the opposite direction. Before discussing aluminium, timber or composite systems, they first seek to understand the building itself—its architecture, its setting, […]
Decision #1: Designing Rooms Before Considering Natural Light One of the earliest decisions in any renovation project concerns the internal arrangement of the home. Rooms are allocated, walls are repositioned and layouts are refined to accommodate modern living. Kitchens become more open, living spaces expand and extensions are designed to improve the connection between the […]
Mistake #1: Assuming Every Window Performs The Same Job It is easy to understand why windows are often compared primarily on price. At first glance, two quotations may appear to describe products that perform the same function. They fit the same opening, achieve similar dimensions and promise comparable levels of energy efficiency. If one quotation […]
Error #1: Specifying Performance Figures Instead Of Occupant Comfort Few aspects of glazing specification receive as much attention as performance figures. U-values, solar gain coefficients, energy ratings and thermal performance data are now central to most glazing discussions. These metrics are important and provide valuable information when comparing systems. However, problems can arise when specification […]
The Most Common Regret Is Following Trends Instead Of Architecture The window colour homeowners most often regret is not anthracite grey. It is not black. It is not white. It is the colour they chose because everyone else was choosing it. This may sound surprising, particularly given how much attention is given to identifying the […]
Regret #1: Focusing On Products Instead Of Outcomes One of the most common regrets homeowners have after a glazing upgrade begins long before any windows or doors are ordered. It starts with the way the decision is approached. Many glazing projects begin with products. Homeowners compare frame materials, explore different manufacturers, review sightline dimensions and […]
Mistake #1: Assuming All Aluminium Windows Are Essentially The Same One of the most common mistakes homeowners make when choosing aluminium windows is assuming that aluminium itself determines quality. At first glance, this seems understandable. Many quotations appear remarkably similar. The windows are all described as aluminium. The frames often look broadly alike in photographs. […]
Why Purchase Price Dominates The Decision When homeowners compare window quotations, the purchase price is usually the first figure they notice. It is clear, immediate and easy to compare. One quotation is higher, another is lower, and the difference can feel significant, especially on a larger renovation, extension or self-build project where costs are already […]
Aluminium Windows Are Not All the Same One of the most common misconceptions surrounding aluminium windows is that they are all broadly similar. From a distance, this assumption is understandable. Many aluminium systems share a contemporary appearance, slim profiles and a powder-coated finish. To the untrained eye, the differences can seem minor. The reality is […]

















