How To Request A Quote

If you want to get a quote for one of our products there are several options available to you:

Please be aware that we need quotation requests in writing and cannot provide prices over the phone. If you require a Trade Price we need a company letter head or purchase order.

What Information Do We Require?

In order to process your quotation request and provide you with an accurate price, we require the following information (click here to see an example of the information we need):

  • The product you wish for us to quote. (i.e. aluminium windows)
  • The system you wish for us to quote. (i.e. Premium Plus Windows)
  • The product details, including; sizes, colours, glass, styles and designs for each item.
  • Any additional information, requirements or specialist instructions. (For example... I require; direct fix outerframes, internally glazed sashes, trickle vents, a 150mm projection cill etc.).

Please note: All of our products are bespoke and made-to-measure, to your exact specifications.

For more help and advice on specifying or pricing our products please call us on (01268) 681612.

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Premium Plus Windows

Heritage Windows

Beaufort Premium

Our Premium aluminium windows offer high performance, security and slim-lines. They are very thermally efficient windows, with many styles and designs to suit any home.

These windows are now even better with most frame and vent combinations being A Rated, and are at a much reduced cost. Visit us and see for yourself.

Visit Our Exhibition Centre

Friction Hinges

Friction Hinges

Friction hinges provide added security over traditional hinges and allow the window to be held open in any given position. They also move across the window to allow for easy cleaning of your windows from inside.

Our windows can be fitted with modern industry standard friction hinges, egress friction hinges for fire escape windows, or restrictor friction hinges for safety.

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Paint Finish

Beaufort Premium Windows onHover Pic

Our products are all painted with a hardwearing polyester powdercoat paint, the paint is built to last and baked onto the aluminium.

Our Premium aluminium windows are available in a standard white, black, brown, dark grey, dove grey and cream. You can also have you window painted in dual colour or any of over 200 single or dual RAL colour finishes.

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Slim Profiles

Beaufort Premium Windows onHover Pic

Using the natural strength of aluminium these windows are made to be nice and slim. As a result this window system provides more glass area and less frame, maximising light and solar gain into the property.

This window system can achieve sight-lines on fixed lites of 43mm and sight-lines on openers of 65mm.

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Beaufort Premium Windows onHover Pic

These windows come with a high security multi-point Trojan shootbolt lock, which also helps provide excellent compression.

They are largely stainless steel in construction for strength & ultimate corrosion resistance. The lock consists of multiple espag locks with shootbolts top & bottom, providing increased security & tested to the equivalent of PAS 24 (BS 7950) for enhanced security.

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Beaufort Premium Windows onHover Pic

These windows are available with a variety of different outerframes, including a standard direct fix, ovolo, odd leg, equal leg and a square direct fix frame and provide a variety of options for different applications.

This versatility means that this window system can be fitted into existing or new timber frames, or directly to the brick work.

Design Your Windows

Glass Options

Glass Options

For your windows you can have either double glazed or triple glazed sealed units and choose between a wide range of different glass designs & glass options. You can have standard clear glass, square / diamond leads, georgian grills, astragal bars, patterned / decorative glass, obscure or textured glass.

Other options include self cleaning glass, solar control glass and laminated safety glass.

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Handle Options

Beaufort Premium Windows

There is a selection of handles available for your windows, which are available in a variety of colours. With modern and period handles, to suit traditional or contemporary properties.

These options include industry standard espag handles, basic cockspur handles and our Chelton handle range. The Chelton handle range consists of a modern Slim-line, an Art Deco and a classic Monkey Tail handle.

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Thermal Efficiency

Thermal Efficiency

These windows use some of the latest technology, such as an extra wide in-line plyamide thermal break & argon gas, to achieve window energy ratings (WER) as high as ‘A’ and U-values as low as 1.3 W/M²K.

Our standard double glazed sealed unit for these windows is Planitherm Total+, with a warm edge spacerbar & centre pane U-value of 1.2 W/M²K, they exceed the Building Regs.

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High Performance Windows

High Performance Windows

These exceptional windows provide the very best in performance:

Overall U-Value:1.6 W/M²K
Air Permeability:600 Pa
Water Tightness:600 Pa
Wind Resistance:2400 Pa

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Opening vent Options

Opening Vent Options

There are a variety of internal and externally beaded vents, which can be top hung, side hung or even bottom hung. They provide a variety of attractive style window options, to achieve contemporary or period appearances, so there is something to suit any home.

This includes a modern flat vent, a chamfered vent, a feature vent and a classic steel window style stepped vent.

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Premium Plus Aluminium Windows

ALUK Premium Plus A Rated Aluminium Windows

Our Premium Plus Aluminium Windows are our top of the range, BFRC certified aluminium windows. They are beautifully slim, highly energy efficient and environmentally friendly windows that achieve an 'A' rating in energy efficiency. They have been certified to have achieved this rating with a double glazed sealed unit. These excellent quality, high efficiency windows could save you up to 10% on your heating bills.


These windows are an upgrade of our Premium window system using only the slim internally glazed flat vent and the three slim outerframe options. The slim sight-lines optimise solar gain and when used in conjunction with 90% argon gas filled, soft coat low-e (Low Iron) glass it can achieve excellent thermal values and energy efficiency. You can also have our chelton vent with chelton handle as an A-Rated window, but these require triple glazing for an A rating.

Hardware Options

For our Premium Plus Aluminium Windows we offer industry standard Espag handles, or with our Chelton Vent (AW675) you have any of the handles from our Chelton® Handle Range. A comprehensive selection of handles that aims to meet the needs of any home. The Chelton handles are all our own designs and are currently exclusive to Duration Windows. The Chelton® Handle Range includes, a period Monkey Tail handle, an art deco steel window handle and our contemporary slim-line handle.

Standard Offset Espag Handles

These aluminium windows are available with industry standard key lockable espag handles. Simple, ergonomic and easy to use these handles are of the highest quality and are built to last with an excellent finish.


White Gunmetal Black Gold Silver Chrome

Friction Hinges

Friction hinges are the industry standard window hinge, and remains open by means of friction in the hinge. The clever design of the hinge allows you to keep your window open in any given position without the need for a old fashioned Peg & Stay. Max Opening Angle 50° - 80°

Egress Easy Clean hinges are fire escape hinges, which allow windows of over 350mm wide to comply to Part B (for fire safety) of the Building Regs. They can also slide across to enable cleaning of the outside glass, as with standard friction hinges. Max Opening Angle 90°

Restrictor hinges are safty hinges that provide a restricted opening of between 7° - 16° depending on the size of the opening, allowing for ventilation, while protecting against accidental falling. You can release and fully open the window for cleaning. Max Opening Angle 37.5° - 50°

Chelton® Modern Handle

The contemporary, slim and discreet design of this handle allows it to blending into your window. With anti-ligature aspects this handle will provide you with an authentic looking window from the outside, which is in keeping with your modern interior.


White Black Gold Silver Chrome Black Chrome Brushed Steel

Chelton® Art Deco Handle

These handles have been designed to look like traditional steel window handles. They have a simple 1930's Art Deco style that fits in nicely to any period property, and especially when replacing old steel windows.


White Black Gold Silver Chrome Black Chrome Brushed Steel

Chelton® Monkey Tail Handle

These handles have been designed to replicate traditional Monkey Tail handles. Modeled on period ironmongery of the early 20th century, they will give your windows a classic look and feel.


White Black

Chelton Secure™ Locking

Our patented Chelton Secure™ Locking handle will give your windows the strength of steel and the best security available. The Chelton® handle actuates the modern multi-point locking - securing the window on up to three sides with six plus locking points. When combined with sash jammers, to secure the hinge edge, you get all round window security.

Trade Supplier of ALUK products Smarts Systems approved fabricator. We are the largest supplier of Smart products in the UK. BFRC British Fenestration Rating Council - under the Window Energy Rating Group Scheme We are CE Marking complient