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Double Hung Sash Windows: A Classic and Versatile Choice for Your Home
Table of Contents
Quick Answer
Double-hung sash windows have two movable sashes that slide vertically, allowing ventilation from both the top and bottom of the window. This design is the most common type of sash window in UK period properties. uPVC double-hung sash windows cost 600 to 1,200, while timber versions range from 1,200 to 2,800. The dual-sliding design enables easy cleaning and excellent airflow control.
Key Takeaways
- Modern double hung sash windows can be highly energy efficient when fitted with double or triple glazing, draught-proofing strips.
- They can achieve A-rated energy performance, helping reduce heating bills by minimising heat loss.
- The Energy Saving Trust estimates that upgrading from single-glazed to double-glazed windows can save UK households up to £120 per.
- Unlike single hung windows where only the bottom sash moves, both the upper and lower sashes can be opened independently.
- In the UK, double hung sash windows typically cost between £800 and £2,500 per window, depending on the material, size.
Double hung sash windowshave been a staple in British architecture for centuries, known for their timeless design and functional benefits.
These windows consist of two moveable sashes that slide vertically, allowing for flexible ventilation and ease of use. Whether you're renovating a period property or upgrading a modern home,double hung sash windowsoffer both charm and practicality.
In this article, we'll explore the benefits ofdouble hung sash windows, how they compare to other window styles, and why they remain a popular choice for homeowners across the UK.
1. What Are Double Hung Sash Windows?
Double hung sash windowsfeature two sashes that can move up and down within the window frame. This allows for excellent ventilation, as you can open the top sash, bottom sash, or both at the same time. This versatility makes them an ideal option for any room in your home, providing both aesthetic appeal and practical functionality.
2. Benefits of Double Hung Sash Windows
a. Flexible Ventilation
One of the key advantages ofdouble hung sash windowsis their ability to provide flexible ventilation. You can open the top sash to allow warm air to escape, or the bottom sash to let fresh air in. This dual-action feature ensures your home stays comfortable in any season.
b. Timeless Aesthetic
Sash windowsare synonymous with British architecture, particularly in Georgian, Victorian, and Edwardian homes.Double hung sash windowsmaintain this classic look while offering modern functionality, making them a perfect choice for period properties or those looking to add traditional charm to a modern build. For more on preserving period features, see our article onVictorian sash windows.
c. Easy Maintenance
Many moderndouble hung sash windowscome with a tilt-in feature, allowing the sashes to tilt inward for easy cleaning. This means you can clean both the interior and exterior glass from inside your home, eliminating the need for ladders or professional cleaners.
d. Energy Efficiency
When paired withdouble glazing,double hung sash windowsprovide excellent insulation, reducing heat loss and helping to lower your energy bills. Learn more about the energy-saving benefits ofsash windowsin our guide toenergy-efficient window options.
3. Comparing Double Hung Sash Windows to Other Window Types
Here’s howdouble hung sash windowscompare to other popular window styles:
For more detailed comparisons, check out our article oncasement vs sash windows.
4. Customising Your Double Hung Sash Windows
Double hung sash windowsoffer plenty of customisation options, allowing you to choose the perfect style to suit your home. From timber frames to modernuPVC sash windows, you can select the material, finish, and colour that best matches your home’s exterior.
For a more modern aesthetic, consideruPVC sash windows, which offer the look of traditional sash windows with the added benefits of durability and low maintenance. If you’re torn between timber and uPVC, our comparison guide onuPVC vs timber windowscan help you decide.
5. Long-Term Value of Double Hung Sash Windows
Investing indouble hung sash windowscan add significant value to your home. Their timeless design appeals to buyers looking for both style and function, while their energy efficiency can help reduce household running costs. When maintained properly, these windows can last for decades, making them a smart investment for any homeowner.
Conclusion
Double hung sash windowsoffer the perfect balance of classic style and modern functionality. With flexible ventilation, easy maintenance, and customisation options, these windows are a great choice for homeowners looking to enhance the beauty and efficiency of their home. For more window options, visit ourservices pageor explore our guide totimber windowsfor further inspiration.
Frequently Asked Questions
A double hung sash window features two moveable sashes that slide vertically within the window frame. Unlike single hung windows where only the bottom sash moves, both the upper and lower sashes can be opened independently. This design has been a staple in British architecture since the Georgian era and remains popular in UK homes for its excellent ventilation control, classic appearance, and practical functionality.
In the UK, double hung sash windows typically cost between £800 and £2,500 per window, depending on the material, size, and glazing options. Timber sash windows sit at the higher end of the price range, while uPVC alternatives offer a more budget-friendly option starting from around £500. Installation costs vary by region but usually add £150 to £300 per window. Bespoke or conservation-area-compliant windows may cost more.
Modern double hung sash windows can be highly energy efficient when fitted with double or triple glazing, draught-proofing strips, and insulated frames. They can achieve A-rated energy performance, helping reduce heating bills by minimising heat loss. The Energy Saving Trust estimates that upgrading from single-glazed to double-glazed windows can save UK households up to £120 per year on energy costs.
The key difference is in how the sashes operate. In a single hung sash window, only the bottom sash slides upward while the top sash remains fixed. In a double hung sash window, both the top and bottom sashes can move independently. This gives double hung windows superior ventilation control, as you can open the top to release warm air and the bottom to draw in fresh air simultaneously.
Yes, uPVC double hung sash windows are widely available in the UK and offer an excellent alternative to traditional timber. Modern uPVC sash windows convincingly replicate the look of period timber windows with features like woodgrain finishes, decorative sash horns, and authentic glazing bars. They require virtually no maintenance, won't rot or warp, and are typically more affordable than timber equivalents.
In most cases, replacing like-for-like windows does not require planning permission under permitted development rights. However, if your property is in a conservation area or is a listed building, you may need planning permission and must typically use materials and designs that match the original windows. It is always advisable to check with your local planning authority before proceeding with any window replacement project.
Maintenance depends on the material. Timber sash windows require periodic repainting or varnishing every three to five years, plus regular checks for rot and decay. uPVC sash windows need only occasional cleaning with soapy water. For all types, keep the sliding tracks clean and lubricated, check weatherstripping annually, and inspect glazing seals for any gaps. Many modern double hung sash windows feature a tilt-in mechanism that allows easy cleaning from inside.