Architectural Flush Casement 
Windows for Every Property
PAS 24 Security & Weather Certified
Flush casement windows sit completely level with the outer frame, recreating traditional timber sightlines with modern energy efficiency. Unique Windows delivers high-performance flush profiles from REHAU Rio, The Residence Collection, and Origin, manufactured for residential and development projects across Surrey and London.
Heritage & Modern Systems
Proven Commercial Delivery
Guaranteed Deadlines
Visit our Carshalton showroom to inspect our full flush casement range, mechanical joint options, and powder-coated finishes in person.
Specify authentic mechanical timber joints, ultra-slim aluminium profiles, foiled woodgrain finishes, and high-security hardware.
Over 150 Durable RAL Colours & Foiled Finishes
Choose from classic White, Anthracite Grey, Chartwell Green, or realistic woodgrain foils like Turner Oak, Chalk, and Painswick. Dual-colour options are available to match both your interior and exterior design perfectly.
A+ Energy Ratings & Exceptional Insulation
Equipped with low-E softcoat glass, argon gas-filled cavities, warm edge spacer bars, and multi-chamber profiles achieving U-values down to 0.8 W/m2K for year-round thermal comfort.
PAS 24 Accreditation & Yale Multi-Point Locks
Fitted with Yale Encloser multi-point locking mechanisms, internal glazing beading, key-locking handles, and stainless steel friction hinges for complete home security.
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Precision Engineering.
Flush casement windows engineered to exceed building regulations.
Heritage Craftsmanship
BSI Weather Performance
Project Delivery & Schedules
Forging strong partnerships with respected construction leaders highlights our ability to perform on large-scale developments that require huge logistical oversight and strict adherence to deadlines.
Technical Guidance
Find expert technical answers regarding flush casement design options, conservation suitability, and commercial delivery timelines.
Flush casement windows feature an opening sash that sits completely level with the outer frame when closed, creating a flat external surface. This design replicates traditional 19th-century timber joinery while integrating modern multi-chamber insulation and multi-point locking systems.
Yes. Systems such as Residence 9 and REHAU Rio with mechanical timber joints and deep bottom rails are specifically engineered to satisfy Article 4 conservation guidelines and replicate traditional timber sightlines.
Yes. Respected leaders of construction recognise us for our quality and reliability. We forge strong ongoing relationships on large-scale projects that require huge logistical oversight and an unyielding commitment to meeting deadlines.
We offer flush casement designs in uPVC (REHAU Rio, Residence Collection) and premium-grade aluminium (Origin OW-70 and OW-80). Both options provide maintenance-free durability, weather protection, and extensive colour choices.
Visit our family-run showroom at 2 Westmead Corner, Westmead Road, Carshalton, Surrey, SM5 2NZ. Our team serves homeowners, architects, and developers throughout Surrey, South London, Puttenham, and Guildford.
All our flush casement window installations include a comprehensive 10-year guarantee, with up to 20 years on Origin aluminium systems. As a FENSA-registered installer, every project complies with current UK Building Regulations.
