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Window units
Find and specify window units from top manufacturers with NBS Source. Browse 392 products that are ready to use on your projects. Classification Pr_30_59_98.
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Showing 1-36 of 383
OMNIA Flush Sash Window - PVC-U Windows
Verified 8 months ago
VEKA plc
Double flush, double rebated PVCu window system with a true flush appearance inside and out.
Horizontal Sliding Unit - Two Panel (HS2) - Secondary Glazing Unit
Verified 21 hours ago
Granada Secondary Glazing
Horizontal sliding secondary glazing unit. Two panel configuration.
Slimline Lift Out Unit (SL-LO) - Secondary Glazing Unit
Verified 21 hours ago
Granada Secondary Glazing
Slimline lift out secondary glazing unit window unit.
Horizontal Sliding Unit - Three Panel (HS3) - Secondary Glazing Unit
Verified 21 hours ago
Granada Secondary Glazing
Horizontal sliding secondary glazing unit. Three panel configuration. Can be configured for all panels to slide, or with a centre fixed panel.
Series 43 Heavy Duty Security Demountable Single Pane Fixed Light
Verified 1 day ago
Selectaglaze Ltd
Heavy-duty security demountable fixed light (DFL) secondary glazing.
Stellar Aluminium Flush Casement Window - Aluminium Casement Window
Verified 1 day ago
Epwin Window Systems
A flush aluminium casement window offering minimalist aesthetics, enhanced thermal performance, and up to 12% more glass—ideal for modern residential and commercial applications.
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window
Verified 1 day ago
Epwin Window Systems
A sculptured PVC-U casement window system with classic ovolo detailing, offering excellent thermal performance, security, and design flexibility for traditional and modern applications.
Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window
Verified 1 day ago
Epwin Window Systems
A versatile PVC-U tilt & turn window offering secure ventilation, safe internal cleaning, and excellent thermal performance—ideal for high-rise, commercial, and residential applications.
PVC-u Vertical Sliding Sash Window - PVC-U Window
Verified 1 day ago
Epwin Window Systems
A traditional-style PVC-U vertical sliding sash window system offering authentic detailing, modern thermal performance, and secure, low-maintenance operation for heritage and new-build projects.
PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window
Verified 1 day ago
Epwin Window Systems
Flush PVC-U tilt & turn window offering modern aesthetics, secure ventilation, and easy cleaning. Ideal for high-rise, residential, and commercial applications with excellent thermal performance.
Fully Reversible PVC-u Window - Easy Clean Windows - PVC-u Reversible Window System
Verified 1 day ago
Epwin Window Systems
A high-performance PVC-U fully reversible window offering safe cleaning, secure ventilation, and excellent thermal efficiency—ideal for high-rise and hard-to-access residential applications.
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window
Verified 1 day ago
Epwin Window Systems
A high-performance PVC-U casement window with bevelled or chamfered styling, offering excellent thermal efficiency, security, and design flexibility for residential and commercial use.
Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System
Verified 1 day ago
Epwin Window Systems
Profile 22 Chamfered Casement Windows offer high thermal efficiency, structural strength & security, with double/triple glazing, wide design options & PAS 24 compliance for versatile installations.
Spectus PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window
Verified 1 day ago
Epwin Window Systems
A high-performance PVC-U tilt and turn window system offering contemporary styling, dual inward-opening functionality, and outstanding thermal, acoustic, and security performance for modern buildings.
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window
Verified 1 day ago
Epwin Window Systems
A flush aluminium tilt & turn window offering dual-function operation, slim sightlines, top-tier thermal performance, and secure ventilation—ideal for high-rise and modern architectural projects.
PVC-u Sculptured Casement Window - Profile 22 - PVC-u Casement Window
Verified 1 day ago
Epwin Window Systems
A versatile PVC-U casement window system with sculptured styling, excellent thermal performance, and secure design—ideal for residential, commercial, and refurbishment applications.
Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window
Verified 1 day ago
Epwin Window Systems
A fully flush aluminium casement window with slim sightlines, top thermal performance, and modern styling—ideal for residential, commercial, and refurbishment applications.
Profile 22 PVC-u Flush Casement Window - Casement Window
Verified 1 day ago
Epwin Window Systems
Flush casement window system with slim sightlines, PAS 24 security, and U-values as low as 1.2 W/m²K. Ideal for traditional aesthetics with modern thermal and acoustic performance.
Brooking® Steel Window - Steel window
Verified 1 day ago
Clement Windows Group
Steel-framed window for Conservation Areas
EB24® Steel Window - Steel window
Verified 1 day ago
Clement Windows Group
Traditional, slim framed steel window.
EB16® Steel Window
Verified 1 day ago
Clement Windows Group
Traditional, slim framed steel window for sensitive fenestration projects.
Janisol Arte 2.0 Window
Verified 1 day ago
Clement Windows Group
Jansen steel window system manufactured by Clement Windows Group.
Janisol Windows
Verified 1 day ago
Clement Windows Group
Thermally insulated Jansen steel window systems manufactured by Clement Windows Group.
W20 Steel Window - Steel window
Verified 1 day ago
Clement Windows Group
A traditional, versatile steel window.
W40 Steel Window - Steel Window
Verified 1 day ago
Clement Windows Group
Traditional steel window to match original fenestration.
SMW Steel Window - Steel window
Verified 1 day ago
Clement Windows Group
Single glazed, standard metal window for sensitive replacement work
EB20® Steel Window - Steel window
Verified 1 day ago
Clement Windows Group
Exceptionally slender, high specification, traditional steel window.
Horizontal Sliding Unit - Four Panel (HS4) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Horizontal sliding secondary glazing unit. Four panel configuration.
Horiztonal Sliding Unit - Five Panel (HS5) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Horizontal sliding secondary glazing unit. Five panel configuration.
Tilt-In Balanced Vertical Sliding Unit (TBVS) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Tilt-in balanced vertical sliding secondary glazing unit with two panels.
Heavy Duty Hinged Unit - Tilt & Turn (HD-HU-TT) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Single panel heavy duty tilt and turn hinged secondary glazing unit.
Double Heavy Duty Hinged Unit (HD-DHU) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Double-panel heavy duty hinged secondary glazing unit.
Slimline Hinged Unit (SL-HU) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Slimline hinged secondary glazing window unit.
Balanced Vertical Sliding Unit (BVS) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Balanced vertical sliding secondary glazing unit with two panels.
Double Slimline Hinged Unit (SL-DHU) - Secondary Glazing Unit
Verified 2 days ago
Granada Secondary Glazing
Slimline double hinged secondary glazing window unit.
P41A Outward Opening Alu-Clad Window - Triple Glazed Window
Verified 20 days ago
Norrsken Company Ltd
Triple-glazed outward opening window with aluminium cladding and timber frame offering high thermal and sound performance.
P31A/T Triple-Glazed Outward Open Alu-Clad Timber / Timber Only Window
Verified 20 days ago
Norrsken Company Ltd
Triple-glazed outward opening window with aluminium cladding.
Showing 1-36 of 383