Authentic Flush Sash Windows in Hull and East Yorkshire

When your home improvement project requires practical PVC-u with the refined look of wooden Flush Sash Windows, you can count on Colfax for enduring authenticity coupled with modern-day Window technology. Adding unmatched kerb appeal, by retaining the classic look of traditional Windows you are making a crucial contribution to the significance of preserving historic areas across Hull and East Yorkshire, whilst playing an active part in meeting the UK’s latest environmental targets by improving your home’s energy performance.

Fitted with A-rated double glazing as standard sourced from leading glass merchants, lower energy bills, and a warmer, more comfortable home is only a click away with Colfax!

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  • Colour Options
  • Material Options
  • Glazing Options
  • Hardware Options
  • Downloads

Colour Options

A range of colour options available

Customise your new timber Flush Sashes with over 150 specialist RAL colours, a variety of wood stains and diverse dual colour frame options available, whereas our understated PVC-u Flush Sash Windows can be customised in 30 authentic heritage shades. From classic English Oak timber Window frames to contemporary Anthracite Grey Windows frames, designing your ‘forever home’ is easy with Colfax.

ral colour pallet

Ral Colour Pallet

Material Options

A range of materials available

Our PVC-u Flush Sash Windows are manufactured in-house using dependable profiles from industry leader Deceuninck. We also supply and install beautiful hardwood Flush Sash Windows courtesy of Hertswood Joinery, perfect for listed buildings and conservation projects.

Flush Sash Windows
Flush Sash Windows
White Wooden finished bay

Glazing Options

A range of decorative glazing options

A whole host of intricate decorative finishing touches await to make your new Flush Sash Windows your own, including textured privacy glass, stylish etched and stained glass designs, historic diamond or square leaded patterns, and gorgeous Georgian bar detailing.

Hardware Options

A range of Window handles & hardware available

Both window materials are fitted with specialist multi-point locking hardware as standard, for absolute peace of mind that your home is secure. Coupled with a handpicked selection of matching Window handles and window stays courtesy of industry recognised brands ERA, Fab & Fix & MILA, from heritage-style Monkey Tail handles with dummy peg stays to modern inline lockable handles, with Colfax you’re only limited by your own imagination.

Casement Windows
Black Monkeytail Handle
White Window Handle


Explore our Flush Sash Windows further

Take your time and browse through our detailed product brochures for full information on our Flush Sash Window specifications, sizes, colours, and much more.

Heritage Flush Windows Brochure.

Flush Windows Brochure

Perfectly Matching Hardware catalog

Perfectly Matching Hardware

Flush sash windows

What are the benefits of Flush Sash Windows?

  • They combine historic timber sightlines with present-day performance
  • They can be considered in listed and heritage buildings
  • They maintain classic exteriors whilst adding unique character to modern homes

Quality PVC-u Flush Sash Windows in Hull and East Yorkshire

Thanks to advances in recycling and design innovation, technologically-advanced PVC-u from Deceuninck is one of the most sustainable Window materials available to date. Other advantages of our PVC-u Windows include:

  • 30 Authentic heritage shades & dual colour possibilities
  • Replicates timber or aluminium aesthetics with ease
  • Superior multi-chambered frame designed to trap heat inside for longer
  • Bespoke locking that can achieve the enhanced security accreditation PAS24
  • PVC-u does not corrode, rot, warp, peel or chip
  • PVC-u is very low-maintenance
  • PVC-u can last up to 35 years
  • PVC-u can accommodate a wide range of budgets & lifestyles
  • Our PVC-u Flush Sash Windows are incredibly watertight, featuring a dual seal, concealed hardware and an innovative integral drainage gutter
  • Our PVC-u Flush Sash Windows are so authentic they have even been approved for installation in restrictive conservation areas*

*Always obtain consent from your local authority before proceeding with an installation*

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uPVC Chartwell Green Windows
Anthracite Grey Bifold Doors

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    What Our Customers Say About Us

    Google Reviews

    Based on 42 Reviews

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    Mark Carver

    January 4, 2024

    Great window company staff, very helpful and I would recommend this company.

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    Hannah Goodwin

    January 4, 2024

    Amazing experience from the start, recently had two new bay windows replaced. Managed to fit in with my last minute schedule. Professional workmen, no mess left behind and overall really helpful workers. Definitely recommend!

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    Gina Whincup

    May 28, 2021

    Fantastic choice on display, staff polite but not pushy and prices very competitive.

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    Ian Sturgess

    May 28, 2021

    Very good service throughout.

    Visit our Hull Showroom

    Experience our extensive collection of Windows, Doors and glazed extensions for yourself with a visit to our Hull showroom on Leads Road. Open 7 days a week, a warm welcome, a relaxed environment and unmatched glazing industry knowledge await! From discussing a specific product to explaining our comprehensive finance offers in greater depth, our experts are here to help.

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