There are many great reasons to replace your existing windows, but with so many different products and materials on the market, it can be difficult to ensure you are making the right choice for your property.
If you are looking for high-quality replacement windows in Hertfordshire, you can rely on the Barnet Window Company. We are here to guide you through the wide variety of choices available, helping you find the perfect match for your home’s architecture, your specific requirements, and your budget, all installed by our own team of expert fitters.

Whether you are undertaking a full house renovation or simply updating the look of older, first-generation double glazing, our windows are tailor-made to suit your vision. We offer an extensive product range that covers all bases:
Our entire uPVC and timber alternative product range is ‘A’ Energy Rated as standard. Benefit from this superb level of heat insulation to keep your family warm and comfortable throughout the winter, while saving money on your heating bills and helping to reduce carbon emissions.
Security is always a primary concern when upgrading your home. Fortunately, we have taken care of it for you. Our windows feature state-of-the-art locking systems with steel components that secure the frame in up to eight different places. You can relax safe in the knowledge that your home is protected by the best locking technology available.
Tired of stripping and repainting timber windows every few years, or paying tradespeople to do it for you? Both our contemporary and traditional replacement windows are virtually maintenance-free. An occasional wipe with warm soapy water is all it takes to keep them looking brand new.
For total peace of mind, our windows come with a fully insurance-backed 12-year guarantee that covers every part of the product, alongside an industry-leading lifetime guarantee on your sealed glass units.
Discover the perfect style for your next home improvement project. Click below to explore our specific window collections in more detail:

Our fantastic Ultimate Collection of UPVC windows has been designed with a contemporary feel.

Our timber alternative range of windows is the closest you’ll get to an original timber window.

Many of us love the character of the wooden sash windows on our period properties.

Struggling to keep your home warm? Our secondary glazing is the solution.

The very first replacement double glazed windows in Great Britain were Aluminium.

Inspired by Art Deco and industrial style steel window and door designs.
Investing in high-quality windows is crucial for enhancing your home’s charm, efficiency, and value.
Secondary glazing and double glazing are two different types of window insulation methods, and both have their own advantages and disadvantages.
A smart installation of ‘Steel-Look Aluminium windows and French doors was completed in London.

