Heritage-style homes and traditional facades that need a window with familiar vertical proportions. Double hung windows are one of the most heritage-sympathetic aluminium options available, making them a strong choice for renovations and restorations across Sydney's older suburbs.
Double Hung
Why Choose Double Hung?
Double hung windows feature both an upper and lower sash that slide vertically within the frame, offering the most versatile ventilation control of any traditional window style. Opening the top sash releases warm air that has risen to ceiling height, while opening the bottom draws in cooler air at floor level. Running both sashes at once creates a natural stack effect that moves air through the room without any mechanical assistance. The vertical sliding action means no part of the window projects outward, keeping pathways, decks, and landscaping clear. Double hung windows are a natural fit for heritage-style homes, Federation facades, and Hamptons-inspired designs across Sydney, but their clean proportions also work well in contemporary projects that want a more structured window rhythm. Tilt-in sash options simplify cleaning on upper floors, and the full powder-coat colour range lets frames match any exterior palette. For larger developments, double hung windows provide a consistent, repeatable look across multiple storeys.
- Dual sash ventilation control
- Classic timeless design
- Tilt-in sashes for easy cleaning
- Excellent for heritage homes
- Tight seal when closed
Best For
Where Double Hung Work Best
Visitors landing on this product page are usually comparing options for a specific room or opening. These use cases make it easier to decide whether this system is the right fit.
Rooms facing pathways, decks, or narrow side passages where an outward-opening sash would obstruct foot traffic. Both sashes slide within the frame, so there is no external projection at any point during operation.
Homeowners and project managers who want precise control over top and bottom ventilation. The dual-sash design allows warm air to exhaust through the top while cooler air enters through the bottom, creating natural airflow without fans or mechanical systems.
Specifications
Technical Details
Frame Material
Aluminium
Glazing
Single or Double
Max Width
1500mm
Max Height
2400mm
Operation
Vertical Sliding
Colours
Full Powder Coat Range
Product FAQs
Common Questions About Double Hung
These answers are here for visitors comparing this product type against other aluminium window and door systems.
Are double hung windows a good fit for traditional facades?
Yes. Double hung windows are often chosen for heritage and classic homes because they retain a familiar vertical sash look while still offering modern aluminium durability and weather sealing.
How do double hung windows improve ventilation?
Because both sashes can operate, you can release warm air through the top opening while drawing cooler air through the bottom. This creates a natural stack effect that moves air through the room without mechanical assistance.
Can double hung windows be used in heritage renovation projects?
Yes. Double hung windows are one of the most heritage-sympathetic aluminium window types. Their vertical sliding proportions closely match the original timber windows found in Federation, Victorian, and Edwardian homes throughout Sydney.
Are double hung windows easy to clean on upper floors?
Yes. Many double hung systems include a tilt-in feature that lets the sashes pivot inward, so both the interior and exterior glass surfaces can be cleaned from inside the room. This is especially useful on multi-storey homes and apartments.
Do double hung windows project outward when open?
No. Both sashes slide vertically within the frame, so no part of the window extends beyond the exterior wall. This makes them practical for openings beside walkways, balconies, and narrow side passages.
Can double hung windows be specified with double glazing?
Yes. Double hung windows can be fitted with single or double glazing depending on the thermal, acoustic, and budget requirements of the project. Double glazing is recommended for noise-affected and exposed locations.
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