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Enhance Your Home’s Elegance with Flush Sash Windows

Designed to sit flush within the frame, flush sash windows bring a sleek, minimalist look to any property. Ideal for heritage homes and modern builds alike, these windows provide outstanding insulation and a refined finish. With Harrington, enjoy the perfect combination of traditional style and cutting-edge performance.

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Flush Sash Windows

Available in uPVC or aluminium
Custom frame colours, handles, and blinds
Secure locking for peace of mind
Energy-efficient double glazing
Durable, low-maintenance design

Get a FREE Quote

20% OFF your first project

Harrington Windows reviews
Harrington Windows reviews
Harrington Windows reviews
Harrington Windows reviews

Traditional Charm

Retains the charm of classic windows with the benefits of modern engineering, perfect for heritage-style properties

Noise Reduction

Provides a quieter living space by reducing external noise, ideal for homes in busy or urban areas.

Enhanced Insulation

Flush sash windows offer excellent insulation, helping to reduce heat loss and keep your home comfortable.

Seamless Design

Sits flush with the frame for a sleek, modern look that blends with traditional or contemporary homes effortlessly.

Find Your Perfect Style

Our range of windows offers extensive customisation options, allowing you to choose from a variety of colours, glass styles, and finishes to suit your home’s unique character and your personal taste.

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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.

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Flush Sash Windows (Ends Soon)

20% Off Your First Project

OUR WINDOWS

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Casement Windows

Best Price Guaranteed

Hinged on one side for easy operation, casement windows offer excellent ventilation, straightforward cleaning, and a classic style that suits all homes.​

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Flush Sash Windows

Best Price Guaranteed

With a sleek, traditional design, flush sash windows sit level within the frame, delivering a seamless finish with impressive modern performance.

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Sliding Sash Windows

Best Price Guaranteed

Victorian-inspired with a smooth sliding action, these windows blend historic charm with today’s energy efficiency, keeping your home warm and stylish.

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Tilt & Turn Windows

Best Price Guaranteed

Tilt for fresh air or turn for easy cleaning; these flexible windows offer a unique combination of style, security, and practicality.​

 

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Georgian Windows

Best Price Guaranteed

Featuring elegant grid patterns, Georgian windows bring timeless character and sophistication, along with the benefits of modern insulation and energy savings.

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Timber Windows

Best Price Guaranteed

Sustainable and beautifully crafted, timber windows provide natural warmth, excellent insulation, and timeless charm with unmatched character for any home setting.

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uPVC Windows
 

Best Price Guaranteed

Durable and energy-efficient, our uPVC windows provide excellent insulation, low maintenance, and add a stylish, modern touch to any type of home.

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.

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.

20% OFF your first project

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White

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Basalt Grey Sanded

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Walnut Terra

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Oregan

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Oak Special

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Steel Blue

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Grey Sanded

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Walnut Ameretto

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Agate Grey

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Walnut

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Dark Oak

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Mahogany

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Oak Alpine

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Anthracite Grey

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Grey

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Dark Red

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Oak Concrete

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Anthracite Grey Sanded

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Turner Oak Malt

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Brilliant Blue

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Irish Oak

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Cream

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Palisander

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Dark Green

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White Woodgrain

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Green

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Birch

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Golden Oak

Discover the Latest from Harrington Windows

Gain valuable insights, expert advice, and stay up-to-date on the latest window and door trends. Created to help you make informed choices and elevate your home with confidence.

What Our Customers Are Saying

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Outstanding attention to...

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 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

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We went with Harrington for...

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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

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Absolutely love them!!

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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

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Everything was perfect

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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

Your Dream Home Starts Here

Got Questions? We’ve Got Answers

Choosing the perfect products for your home is a big decision, and it’s natural to have questions. That’s why we’ve gathered answers to frequently asked questions to give you all the details you need.

 

Can't see the answer you're looking for?

How are flush sash windows different from traditional sash windows?

Flush sash windows sit flush within the frame, creating a sleek, minimalist look that’s ideal for both modern and period properties. Unlike traditional sash windows, they offer better insulation and require less maintenance while still retaining classic appeal.

Are flush sash windows suitable for conservation areas?

Yes, flush sash windows are an excellent choice for conservation areas. Their traditional design and authentic appearance can meet heritage requirements while delivering the benefits of modern energy efficiency and durability. We can help you ensure compliance with local regulations.

Do flush sash windows offer good insulation and energy savings?

Absolutely. Flush sash windows are built with high-quality materials and modern insulation, providing excellent energy efficiency. They help to keep your home warmer in winter and cooler in summer, potentially lowering your energy bills.

Can flush sash windows reduce outside noise?

Yes, flush sash windows offer effective noise reduction due to their tight seals and quality glazing. This makes them a great option if you live in a busy area and want a quieter home environment without sacrificing style.

How durable are flush sash windows compared to other window types?

Our flush sash windows are crafted from durable, weather-resistant materials that are designed to withstand the elements. They require minimal maintenance and are built to last, offering long-term value and reliability for your home.

Why Should you choose Flush Sash Windows?

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