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We provide modern sash windows with designs featuring high-quality UPVC and timber materials, for excellent energy efficiency and better security in conservation areas or period properties. As first-class providers of sash window work we will deliver the best results in any situation, which means we can create authentic modern designs on either a period property or a new build.

We can create sash windows with authentic looks, that incorporate all the modern benefits of window design. By choosing us you get the following benefits:

  • Exceptional timber windows as well as UPVC frames, with heritage designs also available
  • High-quality installations, which will resist weather and wear for the longest possible time – and use the highest levels of workmanship to reduce the need for any sash window repairs
  • Simple and sturdy mechanisms, with even sash weights – so all sliding sash windows can be easily opened and closed as well as securely locked

Our unique and compelling craftsmanship comes thanks to our commitment to quality and using the best possible materials. We can fit energy-efficient, draught-proof double glazing to a period property or listed buildings – including many Georgian and Victorian homes in London.

Feel free to get in touch today to book your free survey.

Why You Need Our Modern Sash Windows

If you have been hesitant to install modern sash windows in your home you will surely wonder why once you experience the benefits they deliver first-hand. Our installations can deliver the aesthetic and functional benefits you get in a boutique hotel or luxury home.

Not only do you boost energy efficiency, thanks to double-glazing, but you also get a range of other advantages, which make our windows essential features that will significantly enhance your quality of life.

We can fit these fabulous windows into most sash window spaces, including box sash windows. Key benefits of our timber and UPVC sash windows include the following:

Replacing your sash windows will deliver tangible benefits to your standard of living. Thanks to greater energy efficiency your fuel needs and costs will lower, and the seals within the glazing and frames reduce humidity, condensation and the likelihood of mould. Modern sash windows are a smart long-lasting upgrade.

Why Choose Us for Your Modern Sash Windows?

We have a passionate team who are experts in the trade and will happily guide you in finding the best windows for your personal tastes and budget. If you have planning concerns, such as when installing on a listed building, we can advise you in this area too – as many of our designs fit perfectly within most planning laws.

Our work creates amazing installations, and you can view our case studies page where we showcase windows and other home improvements with pictures and more detail. We receive enthusiastic reviews and testimonials from clients, one very happy person has the following to say about their experience with us:

“I can’t recommend Sash Windows London Ltd enough! The consultation was concise and clear and the install was swift, easy and effortless.” – Marc Benoit

The quality of our work means you will have little need for repair services, and you get a 10-year insurance backed guarantee with every installation. We are a FENSA Registered Company and members of the British Safety Council, we also have excellent ratings on leading independent trade sites such as Checkatrade.

If you have casement windows to install we can also help, with timber and UPVC casement windows also available.

Modern Sash Windows with Timber and UPVC Frames

We will give you an outstanding result and a first-class experience throughout the design and installation of your modern sash windows. Our team only delivers the best – with top-quality workmanship, the latest tools and the best products available.

You can get energy-efficient modern windows with sash designs for many period properties and listed buildings that are common throughout the UK, particularly where we operate in London. To book your survey and start your installation please feel free to get in touch today.