Flush Sash Windows for Stylish Home Improvements

  • Stylish Design
  • Exceptional Security
  • Bespoke For You
  • Energy Efficient
  • Durable
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Discover Our Premium Flush Sash Windows

At JKG Windows & Doors, we've refined our flush sash window collection to deliver the perfect blend of traditional charm and contemporary performance.


Our flush sash windows feature innovative design elements that eliminate unsightly overlapping frames, creating clean lines that complement both modern and period properties. With superior weatherproofing and security features, these windows offer the complete package for discerning homeowners.

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Our flush sash windows feature advanced glazing and thermal breaks, helping reduce energy bills while maintaining optimal indoor temperatures year-round.

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In-Demand Aesthetic

The flush external contours create a sleek, sophisticated appearance that's increasingly sought-after by homeowners looking to increase their property's aesthetic appeal and value.

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Low Maintenance Requirements

Key Benefits of Flush Sash Windows

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Energy Efficiency

Built to last from either durable uPVC or aluminium, our flush sash windows require minimal upkeep.

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Flush Sash Windows for Every Property Type 

We offer an extensive range of customisation options to ensure your flush sash windows perfectly match your vision.


Choose from our heritage colour collection including popular finishes like Anthracite Grey, Agate Grey and Chartwell Green. Our windows can be specified with double or triple glazing, and fitted with traditional-style handles, trickle vents and authentic Georgian bars.



Whether you're updating a modern home or maintaining a period property, our flush sash window styles offer the perfect solution. They're particularly suitable for conservation areas, featuring traditional timber joinery details while delivering modern performance benefits.

Find the perfect style options to suit your home

Our range of flush sash windows offers extensive customisation possibilities including different colour choices, sizes and additional features which add further authenticity if desired.

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Oak Special

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Dark Red

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Anthracite Grey

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White Woodgrain

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Grey

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White

Dark Green

Brown

Dark Blue

Textured Anthracite Grey

Cream

Black

Oregon

Oak Special

Dark Red

Anthracite Grey

White Woodgrain

Grey

How It Works

1. Reach Out With Ease

Contact us by phone, email, or via the contact form.

2. Share Your Vision

Describe your project and tell us your budget. 

3. Receive Your Plan

We'll prepare a plan for you to review and approve. 

4. Launch Your Project

Once we've agreed on all the details, we'll get started. 

5. Guaranteed Satisfaction

Project ends when you're fully satisfied. 

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Specifications for Flush Sash Windows

Glazing Options: Available in double or triple glazing for improved energy efficiency.

Energy Rating: A-rated for exceptional thermal insulation.

Aesthetic: Traditional flush appearance, suitable for both modern and period properties.

Security Features: Multi point locking system for added home security.

Weatherproof Performance: Advanced weather seals to prevent air and water ingress.

Customisation:  Wide range of colours and finishes available, including woodgrain effects.

Certification:  Compliant with all relevant building regulations and standards.

Ease of Maintenance: Smooth surfaces for easy cleaning and upkeep.

Acoustic Performance: Designed to reduce outside noise for a quieter indoor environment.

What our customers have to say...

Testimonials

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“Professional, courteous, and always on time. Never been happier.”

June B.

“Amazing service and a great experience overall. Have already recommended to family and friends.”

Matthew M.

“Best experience I've ever had with painting my home. Stress-free and great results.”

Olivia W.

Have Any Questions?

Choosing the right windows for your home is important and can be overwhelming. To help, we’ve compiled answers to common questions. If you have more questions or need further details, please contact us — our experienced team is here for you.

  • Are flush sash windows suitable for conservation areas?

    Yes, our heritage-style flush sash windows are often approved for conservation areas, featuring authentic details while meeting modern performance standards.

  • What maintenance do flush sash windows require?

    Very little - just occasional cleaning with warm soapy water keeps them looking pristine. No painting or complex maintenance needed.

  • How energy efficient are your flush sash windows?

    Our windows achieve excellent energy ratings through advanced double glazing and weather-tight seals, helping reduce heating costs.

  • What colours are available?

    We offer an extensive range including Classic White, woodgrain effects and contemporary colours like Anthracite Grey and Chartwell Green.

  • Do you offer a guarantee?

    Yes, all our flush sash windows come with a comprehensive 10-year guarantee for total peace of mind.

  • Why choose JKG?

    We're available seven days a week to answer your questions and provide expert guidance. Our friendly team offers a complete service from initial consultation through to installation, with an extensive product range to suit every requirement. We pride ourselves on delivering exceptional customer service and quality craftsmanship.

Get a FREE Quote

Tell us what products you’re interested in, and we’ll get back to you with a detailed no-obligation quotation.

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