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Window units
Find and specify window units from top manufacturers with NBS Source. Browse 390 products that are ready to use on your projects. Classification Pr_30_59_98.
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Showing 1-36 of 381
Visotherm Casement Windows - Thermally Broken Casement Window
Verified 4 months ago
Smart Architectural Aluminium
Aluminium casement windows.
Prestige French Window - Aluminium Window
Verified 2 days ago
Sheerline
French aluminium windows that combine exceptional thermal performance with refined looks.
Steel Heritage Window System - Janisol Arte 2.0
Verified 2 days ago
Schueco UK Ltd
Slimline steel windows for renovations and modern buildings.
Steel Heritage Door System - Arte 15
Verified 2 days ago
Schueco UK Ltd
Versatile door design for steel interiors.
Classic Box Sash Timber Window
Verified 2 days ago
Mumford & Wood Ltd
The Classic Box Sash Window features individual 14 mm double glazed slim profile units with true bars and a traditional external putty faced finish.
Classic Casement Timber Window -
Verified 2 days ago
Mumford & Wood Ltd
Timber/ Wooden classic windows with slim glass units in a choice of frame and sash profiles to match other classic products whilst retaining the flush-line traditional appearance of casement to frame.
Conservation French Casement Timber Window
Verified 2 days ago
Mumford & Wood Ltd
Windows offering a clear opening without a mullion divide.
Profile 22 PVC-u Flush Casement Window - Casement Window
Verified 2 days 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.
PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window
Verified 2 days 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 2 days 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.
PVC-u Sculptured Casement Window - Profile 22 - PVC-u Casement Window
Verified 2 days 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 Aluminium Flush Tilt & Turn Window - Tilt and Turn Window
Verified 2 days 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.
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window
Verified 2 days 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 Chamfered Casement Window - PVC-u Window System
Verified 2 days 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.
Stellar Aluminium Flush Casement Window - Aluminium Casement Window
Verified 2 days 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 PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window
Verified 2 days 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.
Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window
Verified 2 days 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 2 days 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.
Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window
Verified 2 days 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.
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window
Verified 2 days 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.
Conservation Spring Sash Timber Window
Verified 3 days ago
Mumford & Wood Ltd
High-performance vertical timber/ wooden sliding Spring Sash Windows with period sightlines and details.
Classic Arched Window - Arched Aluminium Window
Verified 3 days ago
Sheerline
Ultra-slim arched window system.
Conservation Box Sash Timber Window
Verified 6 days ago
Mumford & Wood Ltd
High-performance timber/ wooden vertical sliding Box Sash Windows with period sightlines and details.
Conservation Casement Timber Window
Verified 6 days ago
Mumford & Wood Ltd
Flush faced High performance timber/ wooden Casement windows in a choice of frame and Sash profiles to match other conservation products whilst retaining the flush-line traditional appearance of case.
Conservation Tilt & Slide Spring Sash Timber Window
Verified 6 days ago
Mumford & Wood Ltd
Spring balanced operated timber Sash Window with a tilt in bottom sash.
Series 10 Slimline Horizontal Sliding 3 Pane Centre
Verified 7 days ago
Selectaglaze Ltd
Slimline horizontal sliding (HS) secondary glazing with three panes, the centre pane is sliding.
Series 10 Slimline Horizontal Sliding 4 Pane
Verified 7 days ago
Selectaglaze Ltd
Slimline horizontal sliding (HS) secondary glazing with four panes.
Series 80 Heavy Duty Horizontal Sliding 4 Pane
Verified 7 days ago
Selectaglaze Ltd
Heavy-duty horizontal sliding (HS) secondary glazing with four panes.
Series 15 Mid-Range Horizontal Sliding 2 Pane
Verified 7 days ago
Selectaglaze Ltd
Mid-range horizontal sliding (HS) secondary glazing.
Series 10 Slimline Horizontal Sliding 3 Pane
Verified 7 days ago
Selectaglaze Ltd
Slimline horizontal sliding (HS) secondary glazing with three panes, the centre pane is static.
Series 80 Heavy Duty Horizontal Sliding 2 Pane
Verified 7 days ago
Selectaglaze Ltd
Heavy duty horizontal sliding (HS) secondary glazing with two panes.
Series 10 Slimline Horizontal Sliding 2 Pane
Verified 7 days ago
Selectaglaze Ltd
Slimline horizontal sliding (HS) secondary glazing with two panes.
Series 80 Heavy Duty Horizontal Sliding 3 Pane Centre
Verified 7 days ago
Selectaglaze Ltd
Heavy-duty horizontal sliding (HS) secondary glazing with three panes, the centre pane is sliding.
Series 15 Mid-Range Horizontal Sliding 3 Pane
Verified 7 days ago
Selectaglaze Ltd
Mid-range horizontal sliding (HS) secondary glazing with three panes, the centre pane is sliding.
Series 80 Heavy Duty Horizontal Sliding 3 Pane
Verified 7 days ago
Selectaglaze Ltd
Heavy-duty horizontal sliding (HS) secondary glazing with three panes, the centre pane is static.
Series 85 Security Horizontal Sliding 2 Pane
Verified 7 days ago
Selectaglaze Ltd
Security horizontal sliding (HS) secondary glazing with two panes.
GT70S Slimline Renovation Window - Aluminium Slimline Profile Windows
Verified 8 days ago
Kawneer UK Ltd
Aluminium slimline renovation windows, designed to offer optimum weather and thermal performance.
Showing 1-36 of 381