Bespoke Flush Casement Timber Windows Manufactured in the UK
Our made-to-measure Flush Casement timber windows are handcrafted in the UK to deliver exceptional durability, thermal performance and timeless aesthetics for both traditional and contemporary properties.
Manufactured to your exact sizes and specifications, our bespoke flush casement windows combine clean, elegant styling with modern performance, making them ideal for extensions, self-build homes, renovation projects, listed buildings and conservation areas.
Each window is manufactured using premium timber species, advanced draught sealing systems and high-performance glazing to provide long-lasting protection and excellent energy efficiency in demanding UK climates.
Traditional Flush Styling with Modern Performance
Flush casement windows feature an opening sash that sits level within the outer frame, creating a refined and understated appearance associated with traditional timber joinery.
Suitable for both heritage and modern architectural styles, our timber flush casement windows can be customised with a wide range of glazing bar layouts, moulding details and finishing options to suit your project requirements.
We regularly manufacture flush casement windows for:
- Home extensions
- Self-build homes
- Period property renovations
- Listed buildings
- Conservation projects
- Contemporary new-build homes
- Full-house refurbishment projects
Why Choose Flush Casement Windows?
Flush casement windows remain one of the most popular timber window styles due to their clean appearance, versatility and excellent weather performance.
Unlike standard off-the-shelf alternatives, our bespoke timber flush casement windows are manufactured to suit virtually any opening size or architectural specification.
Our flush casement windows offer:
- Clean flush external appearance
- Excellent thermal efficiency
- Advanced weather sealing
- Modern security systems
- Traditional or contemporary styling
- Fully bespoke sizing and layouts
- Long-lasting factory-applied finishes
Accoya® and engineered timber options also provide exceptional dimensional stability and resistance to movement, helping maintain performance over time.
Key Features
- Traditional flush casement design
- High-performance draught sealing systems
- Multi-point locking systems for enhanced security
- Double and triple glazing available
- Externally beaded glazing system
- Custom glazing bar layouts
- Manufactured from premium sustainably sourced timber
- Suitable for modern, traditional and conservation-style properties
- Manufactured in the UK
Suitable for Projects Large & Small
We manufacture bespoke flush casement windows for projects ranging from single replacement windows through to complete window packages for larger developments.
We regularly supply:
- Single replacement windows
- Home renovations
- Extension projects
- Self-build homes
- Heritage refurbishments
- Architect-designed properties
- Listed buildings
- Conservation-area developments
Timber Options
We offer a wide range of premium timber species suitable for bespoke external joinery applications, including:
- Redwood (with hardwood cills and glazing beads as standard)
- Accoya®
- Sapele
- European Oak
- Douglas Fir
- FSC® certified timber options
Additional timber species may also be available depending on project requirements.
Glazing Options
All glazing is manufactured to order to suit the thermal, acoustic and aesthetic requirements of your project.
Standard Specification
24mm Double Glazed Unit
4mm / 16mm Argon / 4mm
Additional glazing options include:
- Triple glazing
- Acoustic glazing
- Laminated safety glass
- Toughened glass
- Decorative and obscured glazing
- Slimline heritage glazing
Hardware Options
We supply a full range of premium hardware and security options to complement your chosen window design.
Available options include:
- Multi-point locking systems
- Traditional and contemporary handles
- Chrome finishes
- Satin chrome finishes
- Brass finishes
- Black hardware
- Antique brass finishes
- Friction hinges or butt hinges
- Trickle vents where required
Factory Finishing Options
Our timber flush casement windows can be factory-finished in over 45,000 colour options, allowing us to match virtually any architectural style or design scheme.
Dual-colour and mixed-finish options are also available for projects requiring contrasting internal and external finishes.
Each window is completed using our advanced spray-finishing system, consisting of:
- Preservative base coat
- Multiple spray-applied microporous paint coats
- Breathable long-lasting protective finish
All finishing is applied in our purpose-built spray facility for smooth, consistent coverage and enhanced durability.
Bespoke Joinery Capabilities
As a bespoke joinery manufacturer, we can produce fully customised flush casement windows tailored to your project requirements, including:
- Custom sash and frame profiles
- Bespoke glazing bar layouts
- Conservation-grade detailing
- Arched and shaped frames
- CAD drawings for approval
- Profile matching for refurbishment projects
- Matching window and door packages
Lead Times
Typical lead times for bespoke flush casement windows are approximately 6–8 weeks depending on project size, specification and finishing requirements.
Estimated lead times are confirmed at quotation stage.
Request a Quote for Flush Casement Windows
Whether you require a single replacement flush casement window or a complete bespoke window package for a larger project, our team will be happy to assist.
Send us your drawings, measurements, schedules or project details and we will prepare a detailed quotation tailored to your specification.
Call us on 0191 535 9563 or email info@timbermouldingsdirect.co.uk.