Timber Flush Casement Windows - Timeless Elegance Meets Modern Performance
Lignum Timber Flush Casement Windows offer a seamless blend of classic aesthetics and contemporary engineering.
These windows feature opening sashes that sit flush with the outer frame, providing a sleek appearance without compromising on performance. Whether you’re renovating a period property or building new, our flush sash windows are expertly crafted to enhance your home’s character.
Unmatched Craftsmanship
Each Lignum flush casement window is meticulously crafted by skilled joiners, using only high-quality sustainable timber.
Our advanced manufacturing techniques ensure that every window meets stringent performance standards for energy efficiency and security. With a range of customisation options available—from glazing choices to paint finishes—you can create a window that perfectly complements your property’s style.
Energy Efficient Technology
High-performance glazing and insulating timber frames keep your home warm in winter and cool in summer.
Better than triple glazing: we offer PassivGlas, the latest vacuum glazing technology that is thinner, warmer and quieter than triple-glazing.
Download Product Datasheets
We have technical drawings available for all of our window and door products. We also offer a tailored design service for your project.
Key Features at a Glance
Energy Efficient: High-performance glazing and insulated frames keep your home warm in winter and cool in summer.
Security Assured: Designed to meet PAS24:2022 security standards, our windows offer peace of mind without compromising style.
Timber Sustainability: Ethically sourced materials ensure that your windows are as environmentally friendly as they are beautiful.
Security Assured
Designed to meet PAS24:2022 security standards, our windows offer peace of mind without compromising style.
Timber Sustainability: Ethically sourced materials ensure that your windows are as environmentally friendly as they are beautiful.
Get Started on Your Project
Transform your home with our Timber Flush Casement Windows. Contact us today for a free consultation or Get a Quote!
Accreditations and Performance
PAS 24:2016
Security
Secured by
Design System
Document Q
Compliant
Document L
Compliant
Document M
Compliant
BS6375-1 2009
Weather Tightness
Customised
your way
Our timber flush casement windows are tailored to suit either period or contemporary homes, with customisable profiles, glazing options, and an extensive choice of finishes.
This window design looks stunning in hardwood with a natural stain finish. Flush sash style is also popular in both muted or bold painted colours. Either way, we will create a design to enhance your property’s character. Each window is made to measure, ensuring a perfect fit that maximises both energy efficiency and aesthetic appeal.
Glazing bar options
Choice of Flush Casement Window Furniture
We have a wide range of handles, furniture and hardware to customise your windows.
Our period collection offers superior styles and finishes for a classic heritage style, and our range of contemporary design options provides a modern twist. Our window handles and locks are rigorously tested and achieve PAS24 certification for security.
Hardware options
Colours and Finishes
The colour and finish of your windows and doors make all the difference to the look of your home.
Whether you’re leaning towards the charm of a traditional style for your casement windows or the sleek lines of contemporary design, there’s a perfect shade and finish waiting for you.
A Beautiful Finish, Designed to Last
Lignum windows are protected with the latest coloured coating technology. The durable paint finish is designed to withstand harsh environments and requires minimal maintenance to keep looking fresh for years and years.
Our Warranties
Rot & Fungal Decay
Workmanship
Paint Finish
Hardware
Glazing up to
