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Types of Sliding Sash Windows

From heritage restorations to new installations, sash windows come in several variations to suit your property and preferences. Here’s a look at the most common types and their benefits:

Traditional Box Sash Windows

Box sash windows operate using a weight and pulley system hidden inside the frame. Often found in older homes, this style retains the authentic look and feel of period architecture. While traditionally built from timber, modern box sash designs can also be recreated using advanced uPVC systems that mimic the detailing of wood while offering improved insulation and lower maintenance.

Spring-Balance Sash Windows

A more modern take on the sash design, spring-balance windows use concealed spring mechanisms rather than cords and weights. This makes them a great option for new builds or properties where the depth of a box frame isn’t practical. They offer the same smooth sliding action with less structural space required, while still keeping the traditional sash appearance.

Window Frame Materials

The right material not only affects the look of your sash windows but also plays a big role in performance and upkeep. We offer high-quality options to match your aesthetic and maintenance preferences:

uPVC Sliding Sash Windows

uPVC sash windows are ideal for homeowners seeking the charm of timber without the upkeep. Designed to replicate traditional wood frames with features like run-through horns and sculpted profiles, modern uPVC options are thermally efficient, weather-resistant, and virtually maintenance-free. They’re also available in a variety of finishes, including woodgrain foils for an authentic period look.

Timber Sliding Sash Windows

Nothing beats the authenticity of real wood. Timber sash windows are the go-to choice for listed buildings and conservation areas where maintaining original character is essential. Whether you choose softwood or hardwood, all of our timber sash windows are expertly crafted, treated for longevity, and can be painted or stained to your desired finish. With the right care, they’ll serve you beautifully for decades.

Aluminium Sash Windows

For a contemporary twist on a classic design, aluminium sash windows offer slim sightlines and exceptional durability. While less common in traditional settings, they can work well in modern homes seeking a sash-style window with a minimalist edge. Combined with thermal breaks and double glazing, they offer excellent insulation and weather protection.