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Contract Aluminium Flush Casement Windows
Fenea flush casement aluminium windows offer the perfect fusion of sleek, contemporary design and advanced thermal performance. With their minimalist, flush-fitting profile, they replicate the timeless elegance of traditional timber windows while delivering the strength, durability, and low maintenance of premium-grade aluminium.
Designed using industry-leading systems, Fenea windows are energy-efficient, weather-resistant, and built to meet modern building standards, making them an ideal choice for homeowners, architects, and developers seeking style without compromise.
High Quality Flush Casement Aluminium Windows
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Thermal Efficiency
The extended polyamide thermal break significantly enhances thermal performance, achieving U-values as low as 1.0 W/m²K when paired with the appropriate double or triple glazed sealed units. -
Window Energy Rating (WER)
Capable of reaching a B rating, meeting the latest Building Regulations and offering real energy savings. -
Weather Resistance
Engineered to withstand the elements with:-
Air Permeability: Class 4 (600Pa)
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Water Tightness: Class E (1200Pa)
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Wind Resistance: Class AE (2400Pa)
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Slimline Aesthetics
Choose from ovolo, chamfered, or square profiles to suit any architectural style. The flush finish creates a clean, modern look from every angle. -
High-Quality Finishes
Available in single or dual colours, with marine-grade powder-coated finishes. Choose from standard RAL colours or explore premium textured and anodised effect options. -
Robust and Secure
Our systems are British Standard Kitemarked (KM 81580 & KM 81543) and designed to comply with PAS 24:2012 security standards, giving you peace of mind.
Get A Super-Competitive Estimate For Your Project Now
Case Study: Belper, Derbyshire
Aluminium bifold doors, flush casement windows and bespoke French doors for this stunning Belper property.
Complete Aluminium Flush Casement Window Supply & Installation Service
We provide a fully managed, end-to-end service, from initial specification to final installation. Our team works closely with your team to ensure a smooth, efficient, and cost-effective process.
Why Choose Fenea?
✅ Expert Project Management – We handle everything from surveys and scheduling to on-site coordination, ensuring projects are delivered on time and within budget.
✅ Skilled Installation Teams – Our experienced fitters work nationwide and ensure a perfect installation, following strict quality control standards for airtight seals and long-lasting performance.
✅ Competitive Trade Pricing – We offer cost-effective solutions tailored to residential developments.
✅ Expert Advice – Our highly experienced team can advise on the right solutions for your project, from technical expertise to cost-saving options.
✅ Compliance & Certification – Our products meet or exceed industry regulations, including Part L, PAS 24 security standards, and Document Q compliance for new builds.
Why Choose Fenea Aluminium Flush Casement Windows?
Our aluminium flush casement windows offer a perfect balance of style, performance, and durability. Whether you’re renovating a traditional property or specifying for a new-build project, these windows deliver sleek, contemporary lines and industry-leading energy efficiency.
Flush casement windows are characterised by their clean, minimalist design. The sash sits flush within the frame, creating a smooth exterior profile that mimics traditional timber frames while offering the superior performance of modern aluminium.
With Fenea aluminium windows, this aesthetic is matched by outstanding technical capabilities, ideal for both residential and light commercial applications.
Sizes and Specifications
Frame Depths: 59mm & 70mm
Glazing Options: 28mm–38mm, double or triple glazed
Max Sash Sizes:
Side Hung: Up to 1000mm wide × 1400mm high
Top Hung: Up to 1400mm wide × 1500mm high
For larger configurations, contact our technical team.
Remember that Fenea can help ensure compliance with all aspects of your project specification:
- Part L: If the frame or window type cannot achieve the required U-value of 1.3W/m2k with double glazing, we can supply triple glazing down to 1.0W/m2k.
- PAS24 & Secured by Design: All our aluminium flush casement windows can meet these standards as required.
- Part Q compliance.
- Acoustic glazing: We’ll ensure the glass specification meets your acoustic glazing report at the lowest cost.
- Part F: We’ll help you choose the best option aesthetically and to meet any planning requirements.