Authentic Flush Sash Windows in Hull, Humberside & Yorkshire

When your home improvement project requires practical uPVC with the refined look of wooden flush sash windows, you can count on Colfax Windows 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, East Riding and 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 local glass manufacturers, lower energy bills, and a warmer, more comfortable home is only a click away with Colfax Windows!

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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 uPVC 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 Windows.

ral colour pallet

Ral Colour Pallet

Material Options

A range of materials available

Our uPVC flush sash windows are manufactured in-house using dependable profiles from industry leaders Deceuninck and Duraflex. 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 Windows 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

Home Creations Flush Windows catalog

Home Creations Flush Windows

Home Creations Windows-Doors catalog

Home Creations Windows-Doors

Perfectly Matching Hardware catalog

Perfectly Matching Hardware

Flush sash windows

What are the benefits of flush sash windows?

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

Quality uPVC flush sash windows in East Riding

Thanks to advances in recycling and design innovation, technologically-advanced uPVC from Duraflex and Deceuninck is one of the most sustainable window materials available to date. Other advantages of our uPVC 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
  • uPVC does not corrode, rot, warp, peel or chip
  • uPVC is very low-maintenance
  • uPVC can last up to 35 years
  • uPVC can accommodate a wide range of budgets & lifestyles
  • Our uPVC flush sash windows are incredibly watertight, featuring a dual seal, concealed hardware and an innovative integral drainage gutter
  • Our uPVC 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 28 Reviews

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    Susan Ashman

    May 28, 2021

    Had all windows and front door it is brilliant the two lads where great will let every one know how good it looks thanks Susan &Jan

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    Millie Crook

    May 28, 2021

    I’ve just had my windows and door done by Colfax and they have been great from start to finish. Shaun the fitter did a fantastic job and everyone at the office is always incredibly helpful on the phone. The men who came to measure and quote where also very helpful and honest. Thankyou.

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    Gina Whincup

    May 28, 2021

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

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    Jack Lando

    May 28, 2021

    Good customer service very helpful

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    Ian Sturgess

    May 28, 2021

    Very good service through out.

    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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