Our replacement windows will make your Letchworth Garden City property more secure and efficient. And with such a wealth of replacement window styles and materials, choosing a double glazed window from us guarantees an increase in aesthetic appeal for your home too. We offer both double glazed and triple glazed windows so that you can get the performance you need at the price you want. 

At T&K Home Improvements, we are committed to delivering high quality double glazed installations to Letchworth homes. With us, you can design your dream window from a wide range of options and features. We have uPVC windows and aluminium windows, casement windows, tilt & turn windows, flush casement windows, Residence windows, sash windows, and more. You can then choose from our selection of colours, decorative glass, and any of our extensive window furniture pieces to create your perfect window. 

Our replacement windows are an excellent investment in your Letchworth home too. Our windows can achieve A+ energy ratings, one of the highest available, so that you can benefit from the drop in your household bills. Our windows are also highly durable, so no part of the design with wear down or degrade in bad weather. Enjoy the advantages of your new windows for years to come. 

We offer more than just doors and windows – we provide high performance conservatory installations with double glazing too! A conservatory installation is the perfect solution to add more room to your home and free up other spaces. Our local installers will fit your new conservatory quickly and easily, expanding your home without stress or hassle. Thanks to our experience and knowledge of the area, we can also advise you on local planning permissions and Building Regulations. 

If a conservatory isn’t quite right for you, we also offer a wide range of luxury orangeries, roofline, porches, garden rooms, and house extensions. However you choose to expand your home, our expert team can help you find the perfect fit for your home and your needs. We can bring your new dining room, home office, or playroom to life with our choice of extension styles, uPVC or aluminium frames, and our window and door options. 

We also believe that old conservatories don’t need tearing down, and are worth preserving the structure with an upgrade. A little bit of double glazing can make a world of difference. We offer conservatory replacement roofs to upgrade your extension and improve the performance of your space. With all of our roofs being made to measure, you can count on a seamless fit every time. Choose from solid, tiled, or glass alternatives, or take a look at our conservatory style guide for inspiration.