Premium Sliding / Fixed Window Combination | H1800 x W1200

A premium sliding and fixed window combination measuring 1800mm high by 1200mm wide is an architectural residential window designed to balance unobstructed outdoor views with controlled ventilation. Standing at 1.8 metres tall by 1.2 metres wide, this H1800 x W1200 unit pairs a stationary picture-window pane with a smooth-rolling operating sash. Built from heavy-duty Australian aluminium, it delivers maximum daylight, reliable weatherproofing, and flexible customisation for bedrooms, living rooms, and contemporary home renovations.

Why Choose a Sliding and Fixed Window Combination?

When you design a bedroom or living area with a taller 1800mm opening, a standard sliding window where both sashes are small can sometimes look busy. Combining a fixed picture pane with a sliding operable sash gives you the best of both designs. The fixed section provides an uninterrupted sheet of glass that frames your garden or outdoor landscape like a picture window. Meanwhile, the sliding sash glides open horizontally to bring in fresh air whenever you need it.

This 1800mm height by 1200mm width format is particularly popular for rooms where you want generous vertical light without taking up wall space for swinging window panels. Because the operable sash slides horizontally inside its track, it does not project outward over external pathways or interfere with indoor window furnishings. It is a clean, low-maintenance window solution that improves natural airflow while keeping sightlines modern and uncluttered across your facade.

Technical Specifications & Features

• Dimensions: 1800mm height x 1200mm width (H1800 x W1200 overall frame size).

• Frame Profile: Heavy-duty Australian architectural aluminium engineered to resist twisting, rattling, and structural deflection under high wind loads.

• Glazing Options: Supplied standard with clear toughened safety glass. Configurable upgrades include Grey Tint for glare reduction, Low-E glass for thermal efficiency, Satinlite Obscure glass for bathroom privacy, and Double Glazing for superior thermal and acoustic insulation.

• Colour Finishes: Available in Pearl White, Custom Black, or Custom Colour powder-coated finishes formulated to resist chalking and fading under harsh Australian sun.

• Screen Options: Choose from No Screens, standard insect Flyscreens, Diamond Grille security screens, or heavy-duty Stainless Steel Security Screens.

• Hardware & Locking: Fitted with a keyed sash lock and heavy-duty adjustable nylon rollers for smooth operation and dependable home security.

• Weatherproofing: High-performance perimeter weather seals and internal frame drainage channels protect your interior sills from driving rain and dust.

Built for Australian Climate & Lifestyle

We engineer this H1800 x W1200 combination window to withstand Australian weather extremes. Taller 1800mm windows face higher wind pressures, so our aluminium frame profiles feature reinforced mullions and sturdy tracks that maintain their shape over decades of use. Whether your property faces coastal salt air or hot western Sydney summers, the powder-coated finish will not rot, warp, or swell over time.

This window size works exceptionally well in ground-floor living rooms, master bedrooms, and stairwell landings. Because one side remains fixed, you get enhanced structural rigidity and fewer moving parts to maintain. You can position beds, desks, or dining tables directly beneath the sill without blocking access to the operable sliding sash.

How to Configure Your H1800 x W1200 Window

You can customise every functional aspect of your window directly on this page to suit your architectural plans. For contemporary builds and brick renovations, Custom Black powder coating creates a striking outline around your view. Traditional brick or rendered properties often look best with Pearl White for a classic, clean finish.

Because an 1800mm high window contains a generous surface area of glass, your glazing selection makes a noticeable difference to daily indoor comfort. Standard clear toughened glass works well for shaded side yards and covered patios. If your window faces north or west and receives direct afternoon sun, upgrading to Low-E glass or Double Glazing helps regulate indoor temperatures and reduce your heating and cooling costs. You can also add custom insect screens or stainless steel security screens to leave your window open for summer airflow with total peace of mind.

Certified Standards & Quality Guarantee

At New Age Construction Group, every aluminium window and door we manufacture complies with Australian Standard AS 2047. This certification guarantees tested wind resistance, structural deflection resistance, and water penetration resistance for residential building compliance across Australia.

We manufacture our aluminium windows at our Smeaton Grange base in NSW and deliver Australia-wide. Whether your project is in Sydney, Melbourne, Brisbane, Perth, Adelaide, or regional areas, you receive reliable trade-quality products ready for straightforward installation.

Frequently Asked Questions

What is the advantage of a sliding and fixed combination window? A combination window gives you a clear, unobstructed view through the fixed picture pane alongside functional ventilation through the sliding sash. It creates a cleaner architectural appearance than standard sliding windows with multiple vertical mullions.

What rough stud opening size do I need for an H1800 x W1200 window? Your carpenter or builder should prepare a framed opening approximately 20mm taller and 40mm wider than the window frame. For this unit, a rough stud opening of 1820mm height by 1240mm width allows adequate room for squaring, plumbing, and packing during installation.

Can I fit a security screen to the sliding section of this window? Yes. You can select custom-built stainless steel security screens, Diamond Grille screens, or standard flyscreens in the configuration menu above. Screens fit neatly over the operable sliding section so you can ventilate your home safely.

Order Your Custom Combination Window Today

Ready to bring more light and fresh air into your home? Choose your preferred frame colour, glass type, and screen upgrades above to view your instant price. For custom dimensions or bulk trade orders for an upcoming build, contact the New Age Construction Group team today.