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Diamond Windows are a registered FENSA installers

We adhere to a strict code of quality. We notify FENSA whenever an installation has been completed.

Vertical Sliding Sash Windows West Midlands

Diamond Windows Droitwich are leading suppliers of vertical sliding windows in Worcestershire. Our vertical sliding sash windows are made from high quality uPVC that looks identical to timber windows, giving you a classic look with modern glass and insulation technology.

Traditional design, modern technology

Our range of double-glazed vertical sliding sash windows looks timeless and sleek, complimenting properties of all ages and architecture styles. The contemporary technology enables a seamless operation and high-performing security, all whilst retaining the classic look of sash windows.

Real timber look and feel

If your property is a period one, our vertical sliders are the perfect option to retain the original charm of your property, but to bring it forwards into the 21st century at the same time. We have a wide range of styles, ensuring you’re able to find the right choice for your home. With authentic details such as run through sash horns, our range perfectly combines the traditional look with modern safety, efficiency, and technology.

If you have a modern property and want to add some character to it, these alternative to timber windows are ideal.

Wide Range of Finishes and Styles

We offer many different types of vertical sliding windows made to almost any specified height and width. You can choose from a wide range of woodgrain colours and effects, as well as handles and sashes, ensuring you find the right solution for your home. If you prefer plain white, we can offer this, too. All our timber alternative windows have an ‘A’ energy rating, helping you to insulate your home for less.

Standard Styles




Dark Green

Chartwell Green

Anthracite Grey

Timber Effect Styles

Irish Oak

Golden Oak

White Ash


10 Year Guarantee

All of our double-glazed timber alternative windows are easy to maintain and keep looking like new, partly due to their durability and longevity. We’re so confident in our windows that we offer a ten-year insurance-backed guarantee as standard.

Enhanced Glazing Options

We’re also proud to be able to say that our high-tech glass technology means we can make the most of increased energy efficiency, resulting in higher levels of insulation. The invisible PLANITHERM coating captures daylight energy and reflects it inwards to warm your home, all whilst reducing the risk of condensation and without creating a noticeable tint or haze.

Diamond Windows Droitwich also installs enhanced glazing and triple glazed uPVC windows which reduce noise pollution. The extra pane of glass not only helps with increased thermal efficiency, but it can also make your home more secure.

If you need more information about our range of UK timber alternative windows, please contact us.

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“Very pleased with work carried out. Approachable staff very pleasant.”

“The Diamond Window guys installed our new front door and sidescreen and did a fantastic job. They were highly skilled and also very tidy. I would use them again”

Trust our 5-Star Reviews

“Excellent selection, first class advice and outstanding fitting. We wouldn't go anywhere else for double gazing projects.”

“From design to completion , excellent service,friendly and competent tradesmen.”

Contact us
Diamond Windows, Unit 22, Northstreet I.E, Droitwich,West Midlands, WR9 8JB
Company Reg: 5367399
Open Hours
Mon to Fri: 9am to 4.30pm
Sat: 9am-1pm
Sun: By appointment