Casement Windows

One of the most popular choices of uPVC windows for UK homeowners, All our casement windows are available in a wide range of styles and finishes.

Flush Windows

The beautiful flush casement design gives the exterior of your window a flush appearance

Sash Windows

PVCu sash windows with an authentic timber-effect appearance

We specialise in the supply and installation of high-quality Windows.

Whatever your needs are, we have the perfect product for you.

We have a large selection of premium quality PVCu Casement Windows, beautiful Victorian Sash Windows, New Flush Sash Windows and sleek Contemporary Aluminium Windows. We also install market leading Timber effect windows from brands like The Residence Collection.

As well as offering all these high-quality premium products we take great pride in our installations, after all what good is a high-quality premium Window if it has been installed to a poor standard.

We are proud to say all our staff are employed by us and we do not use Sub-Contractors for the installation of Windows. Most of our installers are family or close family friends with an amazing commitment to making sure every installation comes with a 5 star recommendation.

All our installers have a minimum of 5 years training and have excellent customer service skills.

All our installations of Windows are high performing in terms of security, energy efficiency and aesthetic appeal.

Windows supplied and installed by McDermott Windows come with years of genuine peace of mind, not just because of our commitment to providing the very best but because we provide a truly amazing 10 Years Insurance Backed Guarantee, with the added reassurance you are using a Fensa registered company. 

Highly recommended on FreeIndex, Google, Facebook and other social media platforms.

Energy Rated Windows

All our products have been designed with energy efficiency in mind, stopping heat from inside your home escaping, while allowing heat from the sun into the room: the result – savings on fuel bills and reduced energy waste.

We install BSI Kitemark Energy Ratings (WER) windows, with A, B & C ratings available. For every order that qualifles for an energy rating, a certificate is issued by us so that, so you can feel safe that you’re getting a genuine product.

Choosing the right replacement windows can help make your home more energy efficient and reduce heating costs. All our window systems can achieve an ‘A’ rating (A rated windows) – the highest energy rating and when installed with the appropriate glazing unit, double glazed windows from us comply with the latest building regulations.

Sliding Sash uPVC

The vertical sliding and tilting sash window range combines the elegance of traditional sash windows with the all benefits of modern materials.

Manufactured from uPVC they are strong, won’t rot, warp or require repainting; ensuring that they retain their colour and shape with minimum maintenance.

Sash windows are available in a range of colours including white, oak, rosewood, black, cream and Irish Oak.

Our windows installation gallery