These are the perfect replacement window for period properties; flush sash or flush casement windows deliver a good blend of efficiency & performance you’d expect from modern windows with traditional styling. The simple classic lines deliver an undeniably authentic look, while the contemporary uPVC frames offer outstanding energy efficiency.

Clean Simple Lines.

Heritage properties have appealing character features that always remain popular through the ages. Unfortunately, though, there are drawbacks of such properties, including energy inefficiencies such as dampness & draughts associated with ill-fitting & single glazed windows. Fitting flush sash windows can overcome these issues often associated with beautiful older houses by providing modern levels of warmth & energy efficiency & reducing your energy bills. uPVC construction also results in a window that doesn’t swell, rot, or warp, while never needing repainting.

Alongside the warmth and comfort achieved by fitting new windows to a period property, sound insulation is also an added benefit. In conservation areas, there is often a requirement for homeowners to replicate original windows closely. The clean, simple lines of flush sash windows make them a suitable option for such houses.

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Traditional Styling.

Tailor-made for each property, the windows achieve both a visual & physical fit. With the option to specify different colours for the exterior & interior frames, you can complement your interior colour scheme while attaining a more traditional exterior look.

Impressive security credentials and a ten-year insurance-backed guarantee will allow you to enjoy peace of mind from the outset.

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Some Stunning Colours

A beautiful range of colours and stains, including uPVC woodgrain finishes, which look like real wood, but without the maintenance. Plus, dual colours with white inside and a second shade on the exterior, in-keeping with both the character of your property and inside décor.

With Some Key Features.

  • Traditional Lines
  • Long Life and Low Maintenance
  • High Security Locking Systems
  • Simple and Easy to Use
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Anthracite Grey

Anthracite Grey

Basalt Grey

Basalt Grey

Agate Grey

Agate Grey

Pebble Grey

Pebble Grey

Silver Grey

Silver Grey

Chartwell Green

Chartwell Green

Slate Grey

Slate Grey

Beck Brown

Beck Brown

Light Oak

Light Oak

Golden Oak

Golden Oak

Cream

Standard Cream

Rosewood

Rosewood Grain

White

Standard White

Our Accreditations

We take quality seriously, so we’re proud that our standards are endorsed by all the relevant industry bodies and glazing associations. MORE ABOUT ACCREDITATIONS

The Clydebuilt Process

From manufacturing, fabricating, designing and installing we put quality at the centre of your whole experience from start to finish

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DESIGNED

We design every window and door to make your house a home

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SURVEYED

We ensure that the measurements and styles are confirmed

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INSTALLED

Our accredited installers install leaving your home as they found it

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GUARANTEED

Once complete and satisfied you will receive your guarantee

Flush Sash Windows FAQs

Yes, other than ‘standard white’ as a colour internally or externally, there is an extra cost if you choose any other colour.
You can replace or add new UPVC windows to your home in normal circumstances without needing planning permission. However, if your building is listed or in a conservation area, you will likely require planning permission.
Traditionally, installing timber sash windows will always be the preferred choice in a conservation area because of their unique character. However, if you want to replace them with energy-efficient uPVC windows, you are allowed to do so as long as their appearance isn’t different from the original design. Before you replace any windows in a conservation area, you will need to speak to the Local Planning Authority and Building Control; it’s important not to do anything until you have advised them of your plans.

More in the Windows Range

Choose from a selection of contemporary and modern windows to suit your home

casement

STANDARD CASEMENT

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VERTICAL SLIDER

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REVERSIBLE

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TILT & TURN

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Each and every customer gets a service that is second to none, find out what makes our customers so happy. SEE VIDEO TESTIMONIALS