Sash windows are one of the most iconic window styles in the UK. Their elegant sliding design and period charm make them a beautiful feature in properties across Cardiff, Swansea, Newport, Barry, and the Vale of Glamorgan. But many homeowners ask the same question: are sash windows energy efficient?
The answer largely depends on whether you’re dealing with traditional timber sash windows or modern double glazed sash window replacements.
Why old sash windows struggle with efficiency
Traditional sash windows, especially those in period homes, often have:
- Single glazing, which allows heat to escape easily.
- Gaps around the frames, leading to draughts.
- Ageing timber, which can warp, rot, or swell.
This can make homes harder to heat in winter and less comfortable all year round. In fact, studies show that up to 25% of household heat loss can be through inefficient windows.
How modern sash windows improve energy performance
Thankfully, today’s sash windows are a world away from their older counterparts. Modern double glazed sash window replacements combine the beauty of traditional design with cutting-edge performance. Benefits include:
- Improved insulation – Double glazing traps heat inside, cutting energy bills.
- Noise reduction – Keep out traffic or street noise, ideal for city homes.
- Low maintenance – Modern uPVC sash frames won’t warp or rot.
- Customisable designs – Maintain your home’s character while upgrading comfort.
At Falcon Installations, we provide sash window replacements in South Wales that perfectly replicate the look of traditional windows while offering the modern performance today’s homeowners expect.
Product spotlight: Falcon’s uPVC sliding sash windows
Falcon’s uPVC vertical sliding sash windows are designed to deliver both heritage elegance and exceptional performance. Here are some of their standout features:
- Built to replicate traditional timber sash details, they include a deep bottom rail, run-through sash horns, and optional Georgian bars for an authentic period appearance.
- Intelligent design includes a 128 mm front-to-back frame depth, ensuring compatibility with existing timber box sash window spaces.
- High energy performance: ‘A’ energy rated as standard with double glazing, helping reduce heating costs and improve comfort.
- Choose classic colour options to perfectly suit your home’s style; White, Cream, Grey, Rosewood, Irish Oak or even woodgrain and heritage finishes.
- Every installation includes a multi-point locking system, optional authentic ironmongery, a 10-year insurance-backed guarantee, and is carried out by FENSA and TrustMark registered professionals.
Why homeowners across South Wales are upgrading
In period homes in Cardiff Bay, townhouses in Swansea, or family homes in Merthyr Tydfil, sash windows are often a defining feature. By upgrading to double glazed replacements, you not only enhance comfort but also:
- Preserve historic character without compromising efficiency.
- Increase property value with stylish, practical windows.
- Future-proof your home against rising energy costs.
The importance of energy efficiency for South Wales homeowners
With rising energy costs, improving the efficiency of your home has never been more important. Windows are one of the biggest contributors to heat loss, which is why investing in double glazed sash window replacements can make such a noticeable difference. For across South Wales, upgrading old timber frames to modern sash windows not only enhances comfort but also helps reduce long-term bills. It’s a smart investment that combines traditional style with the practical benefits of modern double-glazed windows, creating a warmer, quieter, and more sustainable home.
Why choose Falcon Installations?
As a family-run business with over three decades of experience, Falcon Installations has built a reputation for delivering high-quality windows tailored to each home. We offer:
- Expert installation by experienced fitters.
- A choice of designs to suit both modern and traditional homes.
- Trusted aftercare and support from a local, reputable company.
- A convenient showroom where you can explore your options in person.
If you love the charm of traditional sash windows but want the benefits of modern efficiency, double glazed sash window replacements are the perfect solution. They not only make your home warmer and quieter but also preserve the character that makes South Wales properties so unique.
Thinking about upgrading your windows? Get in touch with Falcon Installations today for expert advice, a free quote, and a chance to view our range of sash windows at our local Bridgend showroom.
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