Experience premium quality at everyday low prices.

Crafted for Charm Built for Performance

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Your DIY window upgrade starts here – simple, secure, and affordable.

Buy Online. Install with Ease.

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Join thousands of homeowners choosing style, quality, and value.

Over 45 Years of Trusted Expertise

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Fast, UK Mainland Delivery

We deliver to all areas of the UK Mainland, Supply Only.

Save Time & Money

Order direct and enjoy factory-direct prices.

Satisfaction Guarantee

Every product is backed by our full guarantee for total peace of mind.

Years of
Experience

A Little Introduction

Platinum Sash Windows - Elevating Home Improvement

High-quality uPVC sash windows delivered direct to your door - affordable, reliable, and built to last.

Founded in back in 2013 we bring over 45 years of expertise in the double glazing and home improvement industry. What began as a dedicated online retailer has grown into a powerhouse portfolio of 25+ websites and thousands of products for interiors and outdoor living.

We were created with a simple vision: to revolutionize the DIY home improvement experience. By eliminating traditional sales methods and operating entirely online, we provide our customers with high-quality, factory-direct products—minus the inflated costs.
  • Trusted by thousands for quality and value since 2013
  • Experts in sash windows with 45+ years of experience
  • No showrooms, no pressure - just factory direct savings
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Call Us Anytime 0800 002 9033
What We Offer

Sash Window Features

TRADITIONAL SASH HORNS

Add run-through sash horns for a seamless, authentic look using mechanical joints instead of welding.

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DEEP BOTTOM
RAIL

Choose a deep bottom rail for a classic timber-style finish inspired by Victorian-era design.
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SLIM
MIDRAIL

Opt for our slim 37mm midrail to closely match the refined profiles of traditional sash windows.
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ASTRAGAL
BARS

Enhance your windows with astragal bars that mimic individual panes for added character.
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MECHANICAL
JOINTS

Mechanical joints replicate timber window craftsmanship with precise 90° angles.

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PAS 24 SECURITY UPGRADE

Boost security with our PAS 24:2016 upgrade, including premium locks and sash security blocks.
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Upgrade to our Premium Heritage Sash Window Range & Get
10% Off Today

Get Your Quote Today
Premium uPVC Sash Windows

Our Products Are Ideal For

  • Homeowners
  • Property Developers
  • Renovation Projects
  • Heritage Buildings
  • Interior Designers
  • Architects
  • Builders & Contractors
  • Trade Professionals
Timeless Beauty Meets Modern Innovation

Legacy uPVC Sliding Sash Windows

Enjoy the charm of traditional sash windows enhanced with modern technology, energy efficiency, and customizable features. The Legacy range offers stunning design elements like near-invisible joints, authentic mechanical detailing, and a variety of colours and extras—providing the perfect timber alternative for homeowners and premium developments alike.

Customisable Design Options

From run-through horns to slim midrails and bespoke colours, personalise every detail.

Superior Energy Efficiency

Multi-chambered frames and argon-filled double glazing deliver warmth and savings. Low u values from 1.2
How We Do It

Get Your Dream Windows

01
01

Get Your Quote

Explore custom options including colour, hardware, horns, slim midrails, and bar layouts to match your style.
02
02

Order with Ease

Place your order with us direct - no showrooms, no sales calls, just convenience.
03
03

Fast UK Mainland Delivery

We deliver your fully sash windows quickly and safely. All sash windows are complete with guarantee.
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Looking to Upgrade Your Windows?

0800 002 9033 / 0330 111 9033
Get a Quote

Just sent you a list for more windows we will need.
Thought you might like to see what you supplied last year, fantastic service and price.

Mr Bowers

Wanted to send in a picture of my lovely new grey sash windows you supplied me a couple of month back.
Great service, lovely windows and great price.
We are the envy of the street now, had lots of comments on them.

Mr Kearsley

Just a quicky to say thank you for your help during this project, great service from you with a fantastic product and at sensible prices, Here are a few photos of the job.
Many thanks.

Mr Kennedy

Just sent you a list for more windows we will need.
Thought you might like to see what you supplied last year, fantastic service and price.

Mr Bowers

Our Testimonials

What They Say?

Mr Bowers

Client

Just sent you a list for more windows we will need.
Thought you might like to see what you supplied last year, fantastic service and price.

Mr Kearsley

Client
Wanted to send in a picture of my lovely new grey sash windows you supplied me a couple of month back. Great service, lovely windows and great price. We are the envy of the street now, had lots of comments on them.

Mr Kennedy

Client
Just a quicky to say thank you for your help during this project, great service from you with a fantastic product and at sensible prices, Here are a few photos of the job. Many thanks.

Download our Legacy Sash Window Brochure & Installation Guide below

Download Now
Download Now

Achieve maximum kerb appeal with our stunning Heritage Sash Window Package.

Available to order now. Call one of our team to find out more on 0800 002 9033 / 0330 111 9033

We also supply Internal Heritage Aluminium Doors

  • Available in Black & Anthracite Grey
  • Single Door or Double French Doors
  • Side Panels & Top Lights Available
  • No Threshold
  • Clear or Obscure 6mm Toughened Safety Glass
  • Satin Chrome, Matt Black, Polished Chrome, Antique Brass Handles
  • 90° Restrictors Available
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