Our Exceptional Product Range for St Albans Homeowners
St Albans is steeped in history with a mix of old and new properties. At Harrington Windows we know that preserving the character of your home is just as important as making it more comfortable and energy efficient. We have a range of double glazing options that not only meet but exceed modern standards while respecting the architecture of older homes.
From traditional sash windows for those lovely Victorian terraces to modern casement styles for new builds we have options to suit everyone. And it’s not just about looks – our windows are designed to keep your home warmer in winter and cooler in summer reducing your energy consumption all year round. This is especially important in St Albans where the seasons can have a big impact on your home.
Building regulations can be complicated especially in conservation areas. That’s why we take care of it all for you. We know the local rules and will install your new windows and doors without any issues even in the most sensitive areas.

St Albans Windows & Doors
With a team of fully qualified, FENSA-certified installers, Harrington Windows offers exceptional double glazing in St Albans. We provide durable, high-quality windows and doors designed to enhance your property’s energy efficiency while maintaining its architectural character. All installations come with a 10-year insurance-backed guarantee for complete peace of mind, ensuring that your home is protected for years to come.
OUR WINDOWS
OUR DOORS






Windows and Doors for St Albans’ Climate
When it comes to your home quality matters. That’s why we use only the best materials that will stand the test of time. Our double glazing units are filled with argon gas and have warm edge spacer bars for maximum insulation. You’ll feel the difference in comfort and see the difference in your energy bills.
St Albans is known for its wet winters and mild summers which means condensation and drafts can be a big problem in older homes. Our double glazed windows are designed to prevent these problems keeping your home warm and dry all year round. And with our focus on sustainability we use eco friendly materials wherever possible.
Ready to transform your St Albans Home?
We’d love to help you bring your vision to life with a free, no-obligation consultation. One of our friendly experts will guide you through the options and even show you a 3D preview of how your new windows and doors will look. With a 4.9/5 rating from our happy customers, you can trust us to deliver quality you’ll love.
So if you’re thinking of new windows or doors now’s the time to do it. At Harrington Windows we love to deliver solutions that not only improve your home’s efficiency but also its looks. We know how much you love your home which is why we treat every installation as if it were our own home.
Book a free no obligation consultation today. Let’s talk about how we can breathe new life into your St Albans home whether it’s a quaint cottage, a spacious semi or a modern build.
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Our Process, Made Simple
At Harrington Windows, we’re committed to making your order experience as smooth and straightforward as possible. Here’s how easy it is to get started.

Our Accreditations
At Harrington Windows, quality is at our core. We partner with accredited suppliers who meet high industry standards, ensuring our products offer superior performance, durability, and safety. This commitment means you can trust your windows and doors are built to last.
Step 1: Get Your Free Quote
It all starts with a simple click. Get a no-obligation quote tailored to your home and needs, completely free of charge.
Step 2: We Handle Everything
Sit back and relax—we take care of the entire process. From design to installation, our team makes it effortless and hassle-free. No stress, no worries, just expert care.
Step 3: Professional Installation
Our skilled installation team ensures that your new windows and doors are fitted with the utmost precision and care, delivering a flawless finish.
Step 4: Enjoy Your Dream Home
With stunning new windows, your home will be warmer, quieter, and more beautiful than ever. And you can rest assured with you 10 year guarantee.
What Our Customers Are Saying

Outstanding attention to...

I live near a busy road, and the noise reduction has been incredible, I hardly hear the traffic anymore. Plus, the kitchen used to get so cold in winter, but now it’s much more comfortable...
Lucy Moore, 5 Days Ago

We went with Harrington for...

I was worried about losing the original character, but they recommended a style with authentic-looking glazing bars. Now, the house has that classic look but with all the benefits of...
Eleanor Smith, 7 Days Ago

Absolutely love them!!

We finally replaced our old windows with Harrington’s uPVC range. I can’t believe the difference it’s made! The condensation is completely gone, and the house feels much more cozy...
Louise Baldwin, 11 Days Ago

Everything was perfect

Our experience with Harrington Windows was brilliant from start to finish. I especially appreciated the care they took in handling our houseplants near the windows dur...
Alastair Montague, 15 Days Ago