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Window units

Find and specify window units from top manufacturers with NBS Source. Browse 398 products that are ready to use on your projects. Classification Pr_30_59_98.

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Showing 1-36 of 389

Sponsored
Embassy Armoured Wood Windows - High-Security Wood Windows

Embassy Armoured Wood Windows - High-Security Wood Windows

Verified today

Burton Security Limited

Premium wood windows designed for heritage, listed and ultra-prime properties with security and style.
Sponsored
Secondary Glazing Horizontal Slider C8 Two Panel - Secondary Glazing

Secondary Glazing Horizontal Slider C8 Two Panel - Secondary Glazing

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Lift Out C3

Secondary Glazing Lift Out C3

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Horizontal Slider C12 Five Panel

Secondary Glazing Horizontal Slider C12 Five Panel

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Single Hinged C5L Open Left

Secondary Glazing Single Hinged C5L Open Left

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Standard Vertical Slider C13 - Secondary Glazing

Secondary Glazing Standard Vertical Slider C13 - Secondary Glazing

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Horizontal Slider C11 Four Panel

Secondary Glazing Horizontal Slider C11 Four Panel

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Fixed C1

Secondary Glazing Fixed C1

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Tilting Vertical Slider C15

Secondary Glazing Tilting Vertical Slider C15

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Horizontal Slider C9 Three Panel

Secondary Glazing Horizontal Slider C9 Three Panel

Verified today

Roseview Windows

Aluminium secondary glazing
Sponsored
Secondary Glazing Single Hinged C5R Open Right - Secondary Glazing

Secondary Glazing Single Hinged C5R Open Right - Secondary Glazing

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Secondary Glazing Double Hinged C7

Secondary Glazing Double Hinged C7

Verified today

Roseview Windows

Aluminium secondary glazing.
Sponsored
Aluprof MB-79N CSF Window

Aluprof MB-79N CSF Window

Verified 12 days ago

Aluprof UK

High performance slim frame aluminium casement windows.
Sponsored
Aluprof MB-79N Window System

Aluprof MB-79N Window System

Verified 12 days ago

Aluprof UK

High performance aluminium windows.
+4
Sponsored
M70 Casement Window - PVC-U Window System

M70 Casement Window - PVC-U Window System

Verified 13 days ago

VEKA plc

VEKA M70 is a high performing, 70mm fully integrated multi-chambered system designed to suit any residential or commercial project.
+4
Sponsored
OMNIA Flush Sash Window - PVC-U Windows

OMNIA Flush Sash Window - PVC-U Windows

Verified 14 days ago

VEKA plc

Double flush, double rebated PVCu window system with a true flush appearance inside and out.
+23
Sponsored
M70 Tilt and Turn Window - PVC-U Window System

M70 Tilt and Turn Window - PVC-U Window System

Verified 14 days ago

VEKA plc

PVC-U Windows for High-Rise and Modern Applications VEKA Tilt and Turn windows are the ideal solution for high-rise buildings, apartments, and modern residential or commercial developments.
Sponsored
Halo Rustique Casement Window - PVC-U Window System

Halo Rustique Casement Window - PVC-U Window System

Verified 14 days ago

VEKA plc

Sculptured PVC-U Casement Window System.
+3
Sponsored
Halo Rustique Tilt and Turn Window - PVC-U Window System

Halo Rustique Tilt and Turn Window - PVC-U Window System

Verified 14 days ago

VEKA plc

PVC-U Tilt and Turn window system
RIBA
Sponsored
Imagine Vertical Slider - Sliding Sash Window

Imagine Vertical Slider - Sliding Sash Window

Verified 14 days ago

VEKA plc

PVC-U Vertical Sliding Sash Window.
Sponsored
VEKA Matrix Fully Reversible Window - PVC-U Windows

VEKA Matrix Fully Reversible Window - PVC-U Windows

Verified 14 days ago

VEKA plc

PVC-U fully reversible windows.
RIBA
Sponsored
Profile 22 PVC-u Flush Casement Window - Casement Window

Profile 22 PVC-u Flush Casement Window - Casement Window

Verified 14 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.
+10
Sponsored
PVC-u Sculptured Casement Window - Profile 22  - PVC-u Casement Window

PVC-u Sculptured Casement Window - Profile 22 - PVC-u Casement Window

Verified 14 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.
+15
Sponsored
Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window

Profile 22 PVC-u Tilt and Turn Window - Tilt And Turn Window

Verified 14 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.
+2
Sponsored
Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

Verified 14 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.
+15
Sponsored
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window

Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window

Verified 14 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.
+16
Sponsored
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

Verified 14 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.
Sponsored
Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window

Stellar Fully Flush Aluminium Casement Window - Aluminium Casement Window

Verified 14 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.
Sponsored
Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Verified 14 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.
Sponsored
PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window

PVC-u Flush Tilt & Turn Window - PVC-U Tilt And Turn Window

Verified 14 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.
+8
Sponsored
Spectus PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window

Spectus PVC-u Tilt & Turn Window - PVC-U Tilt and Turn Window

Verified 14 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.
+2
Sponsored
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

Verified 14 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.
+17
Sponsored
Fully Reversible PVC-u Window - Easy Clean Windows - PVC-u Reversible Window System

Fully Reversible PVC-u Window - Easy Clean Windows - PVC-u Reversible Window System

Verified 14 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.
+6
Sponsored
PVC-u Vertical Sliding Sash Window - PVC-U Window

PVC-u Vertical Sliding Sash Window - PVC-U Window

Verified 14 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.
Sponsored

Steel Heritage Window System - Janisol Arte 2.0 - Heritage Style Window

Verified 18 days ago

Martec Engineering Group Ltd

Slimline steel windows for renovations and modern buildings.
+6
BOS
Sponsored
PURe® Casement Window

PURe® Casement Window

Verified 19 days ago

Senior Architectural Systems Ltd

Casement window with enhanced expanded polyurethane thermal barrier.
+2

Showing 1-36 of 389