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Luxury Slimline Casement Window (RW-70)

Slimline Aluminium Casement Window (RW-70)

Our slimmest profile aluminium casement window within our premium range.

Our slimmest profile window within our premium range.


Beautiful And Minimal Profile Finish

Bespoke manufactured casement windows are the ultimate choice in order to gain the optimal amount of natural light into your home. This sleek and yet durable window frame is manufactured to the highest of exacting standards and built bespoke to your specification.

RW-80 or RW-70? The choice is yours

Our premium range of aluminium windows is a matter of your specification and choice, RW-70 are the perfect choice should you be looking to maximize the open aspect of your garden or outside space. This beautiful slimline 65mm wide profile reduces the impact of the frame within your home as it is manufactured to industry-leading standards with a 10 year guarantee. Our RW-80 are manufactured to the same specifications however, a broader profile embellishes the beauty of this truly rewarding engineered profile.

RW-70 RW-80 Windows

OW-70 Windows

Ultra-Slim Profile

In order to create that contemporary feel, make the RW-70 Riverdale Luxury Casement Slimline Window your no.1 choice. The ultra narrow 65mm profile offers the greatest advantage for those seeking the ultimate potential of natural light and at the same time increasing the panorama beyond your home.

Get Inspired by Colour

All Riverdale's Aluminium Windows and Doors can be manufactured to any specific RAL colour spectrum. Simply send us your RAL specification and we will make sure your exacting standards are met on any project.

Six Popular Colours

Dark Silver

Dark Silver

Black Grey

Black Grey

Jet Black

Jet Black

Slate Grey

Slate Grey

Anthracite Grey

Anthracite Grey

Hipca White

Hipca White

Note: Whilst every effort has been made to replicate the RAL colours shown here, subtle shade differences may occur. For a more accurate representation of the colour please ask your installer to show you their ‘Colour Swatch Book’.

A Window Designed Just For You

And, we’re not just saying that. From the size of your window to the colour of your handle, all of our orders are completely bespoke so that you can design a window that’s perfect for your home. Every RW-70 comes with either an inline handle or crank handle, both of which offer an elegance feel and finish – the choice is yours.

Offset Handle

Available in any RAL colour to complement your window.


Inline Handle







Anthracite Grey



Lowering your energy bills

Combined with a polyamide thermal break within the aluminium profile, RW-70 not only meet thermal efficiency
building regulations, it exceeds them. Our sophisticated design means that your home will be kept warm in winter and cool in summer, in turn helping to lower your energy bills.

A mark you can trust icon

Our Reviews


We are delighted with our 2 doors which were fitted yesterday. The product is excellent and your fitter Dave was brilliant in his attention to detail and standard or cleanliness. It has been a pleasure dealing with you and all your staff and we will not hesitate to recommend to our friends and family in the future.

Keith and Carol Gratton
From St Helens

Our Doors are Approved by Everyone!

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The Master Locksmith Association

The Master Locksmith Association awarded these locks the Sold Secure Diamond Rating for lock cylinders, the highest possible rating from the Sold Secure initiative.

Secured by Design logo

Secured by Design

They have been approved by Secured by Design, the official UK Police flagship initiative which combines physical security with the principle of ‘designing out crime’.

The British Standards Institution logo

The British Standards Institution

The British Standards Institution (BSI) awarded these high security locks the 3 Star Kitemark – the highest security rating provided – as they withstood 5 types of attacks during testing.

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