Flush Casement Windows

Flush casement windows combine classic styling with modern performance, creating a sleek, understated finish that sits flat within the frame. At Wirral Double Glazing, we manufacture and install made-to-measure flush casement windows in uPVC or aluminium, tailored to suit homes across Wirral and the surrounding area.

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Window Materials Available

uPVC

Low-maintenance and cost-effective, with a smooth, seamless look ideal for contemporary and traditional homes alike.

Aluminium

Slim, strong, and thermally broken for superior energy efficiency. Powder-coated in your choice of RAL colour for long-lasting durability.

Fully Customised to Your Requirements

All of our flush casement windows are made to order, giving you complete control over the look, feel, and performance of your installation. Options include:

Colour: Available in any RAL colour, with dual-colour finishes
Hardware: Choice of Monkey Tail or Tear Drop handles, plus a range of other modern and traditional finishes.
Glazing Options: Double, triple, toughened, clear, obscure, decorative lead, bevelled glass, Georgian bars, astragal bars, and integral blinds.
Optional Features: Fully welded, Mechweld or fully mechanical joints depending on design preference, Radlington cill (uPVC – R7), trickle vents (standard or concealed), marine-grade finish (aluminium), restrictor hooks, and slimline or premium frame options (aluminium).

Every flush casement window is designed to match your home, meet modern performance standards, and offer long-lasting security and efficiency.

Secure & Energy Efficient

Flush casement windows from Wirral Double Glazing are built to the highest standards:

Multi-point locking as standard
Upgrade options for PAS 24 and Secured by Design
U-values as low as 1.2W/m²K with the right configuration
A minimum B rating for thermal performance
Fully compliant with current Building Regulations
FENSA certification included where applicable

Why Choose Wirral Double Glazing for Your Flush Casement Windows?

Decades of Experience

We’ve been serving homeowners across Wirral for over 30 years, combining traditional workmanship with modern technology.

High-Performance Products

All flush casement windows are manufactured using trusted systems from leading UK suppliers such as REHAU.

No Sales Pressure

You’ll receive clear, expert advice with no obligation. Our in-house team manages everything from the survey to the installation.

Fully Accredited

We work to current regulations and best practices, with FENSA certification issued where applicable.

Get a Quote for Flush Casement Windows

Looking to upgrade your property with stylish, energy-efficient flush casement windows? Our team is here to help.

Call us: 0151 608 2278

Or use our Contact Form

Get a Free Casement Window Quote