Skip to main content

uPVC Mock Sash Windows

Our upvc mock sash casement windows come made to measure in any size and in any colour. Manufactured from 70mm Grade 'A' uPVC Profile with reinforcement, our upvc sash mock windows are only made from the highest quality materials. Our run-through horn sash detail emulates a traditional sash horn in a casement window, providing a cost-effective alternative to a traditional box sash windows.

Mock Sash uPVC Windows

uPVC Mock sash Window Specification

  • 70mm Reinforced Profile System
  • Multi Chambered Profile for Maximum Strength
  • 28mm Pilkington 'K' double glazed glass
  • High Security Locking System
  • White Locking Handles
  • Internally glazed for added security
  • Double Glazed Glass Units with Warm Edge Black Spacer Bars
  • Supplied pre-hung in the frame, ready to install

uPVC Mock Sash Window Guarantee

  • 10 Year Profile Colourfast Guarantee
  • 5 Year Guarantee on Glass Units
  • 1 Year Guarantee on Locks & Hardware

uPVC Mock Sash Window Extras

  • Run Through Sash Horns
  • External Astragal Bars (surface mounted on both sides of the glass unit)
  • Internal Georgian Bars (plastic insert inside the glass unit)
  • Standard Handles in Gold, Chrome, Black, Satin Chrome, Anthracite Grey
  • Monkey Tail Handles in Antique Black, Gold & Brushed Chrome
  • 10mm, 20mm & 50mm Frame Add Ons
  • Laminated Glass
  • 85mm, 150mm, 180mm External Cills
  • Trickle Vents
  • Obscure Glass
  • Diamond & Square Lead

uPVC Mock Sash Window Colour Collection

Smooth White uPVC, 9 Woodgrain Finishes, 2 Textured Finishes.
All colours are available on one or both sides.
Colour samples can be posted on request.
Smooth White
White Woodgrain
Anthracite Grey Woodgrain
Anthracite Grey Textured
Agate Grey Woodgrain
Light Grey Textured
Black Brown Woodgrain
Cream Woodgrain
Rosewood Woodgrain
Golden Oak Woodgrain
Irish Oak Woodgrain
Chartwell Green Woodgrain

uPVC Mock Sash Window Gallery

Get Your uPVC Mock Sash Window Quote Today

    uPVC Mock Sash Window Features

    Unlike other sash style casement windows with run through mock horns, our mock sash horn windows include full run through detail, making them a more realistic alternative to traditional wooden sash windows with all of the energy saving and low maintenance benefits.

    Traditional Sash Horns

    uPVC casement windows with mock sash horns give mock sash windows a traditional look. Replicating sliding timber sash windows found in period properties, they push outwards instead of sliding up and down.
    Triple Mock Sash Window

    Suitable for any Width Opening

    Single, Double or Triple Joined Mock Sash Windows can suit any size opening.
    With a maximum height of 3000mm.

    Traditional Colour Range

    Our mock sash windows are available in a range of traditional woodgrain colours offering not only timeless beauty but also exceptional energy efficiency, providing a perfect blend of style.

    Astragal Bars

    Include a bar layout on your new mock sash windows for added character. Astragal bars are fixed onto the surface of the glass and are accompanied by back-to-back spacer bars inside the double glazed unit to give the appearance of separate panes.

    We delivery to most UK Mainland areas, there may be an additional surcharge for some areas so please contact us.

    We do not ship offshore.

    Depending on the specification and colour, our lead times start from 10 days.

    Please contact us with your requirements and location and we can let you know a more precise estimate.

    We don't offer a measuring or installation service.

    We recommend trying Check a Trade or Rated People websites.

    We don't have a showroom, we are based solely online.

    We do have a network of depots across the country if you need to collect your products quicker.

    We also do not employ high pressure sales people, we are a family run business based in the UK, you can speak with one of our friendly and knowledgeable team members 7 days a week 9am - 8pm.

    Please call us 0800 002 9033 / 0330 111 9033.

    We can answer any product and technical queries and assist you in placing your order. 

    Each product page has a dedicated quote form you can fill in. You can fill in our general enquiry form click here

    Alternatively you can email us directly at sales@platinumproductsdirect.co.uk

    Or call us on 0800 002 9033 / 0330 111 9033 - We are open 7 days a week 9am - 8pm

    You can order over the phone on 0800 002 9033 / 0330 111 9033 - We are open 7 days a week 9am - 8pm.

    Alternatively you can email us directly at sales@platinumproductsdirect.co.uk

    Payment is required in full with order via credit / debit card over the phone or we can send you our bank details to make a transfer. We do not accept American Express or Cash.

    The minimum overall frame width for a mock sash window is 460mm.

    The maximum overall frame width for a mock sash window is 1320mm, anything over will require a frame add on or to be made as a coupled window (2 windows side by side).

    The minimum overall frame height is 600mm.

    The maximum overall frame height is 3000mm, anything over this will require a frame add on or toplight.

    Yes they generally work out cheaper than traditional sash windows and are more cost effect to install.

    The overall frame thickness is almost half that of a sliding sash window, so this is ideal in properties that do not have a deep window reveal in order to use a sliding sash window.

    We use some of the world's best home improvement brands to bring you the best quality products

    Aluminium Products

    Useful Links

    • Brochures & Downloads
    • Obscure Glass Patterns
    • Testimonials
    • Delivery & Lead Times
    • About Us
    • Contact Us
    • Privacy Policy
    • Terms of Use

    0800 002 9033 / 0330 111 9033

    We are open 7 days a week - 9am - 8pm
    sales@platinumproductsdirect.co.uk
    ©2026 Platinum Products Direct Ltd