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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

Sponsored
Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Verified 19 hours 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
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 19 hours 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.
Sponsored
Profile 22 PVC-u Flush Casement Window - Casement Window

Profile 22 PVC-u Flush Casement Window - Casement Window

Verified 19 hours ago

Epwin Window Systems

Flush casement window system with slim sightlines, PAS 24 security, and U-values as low as 0.8 W/m²K. Ideal for traditional aesthetics with modern thermal and acoustic performance.
+10
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 19 hours 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
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 19 hours 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 Sculptured Casement Window - Profile 22  - PVC-u Casement Window

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

Verified 19 hours 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 Chamfered Casement Window - PVC-u Window System

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

Verified 19 hours 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 19 hours 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
PVC-u Vertical Sliding Sash Window - PVC-U Window

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

Verified 19 hours 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
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

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

Verified 19 hours 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
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 19 hours 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
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

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

Verified 19 hours 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 Flush Aluminium Casement Window - Aluminium Casement Window

Fully Flush Aluminium Casement Window - Aluminium Casement Window

Verified 19 hours 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
Continuous Barrel Vault Rooflight B

Continuous Barrel Vault Rooflight B

Verified 5 days ago

Lamilux Rooflights Ltd

Polycarbonate and aluminium barrel vault rooflight for daylight, natural ventilation and SHEV integration.
+3
RIBA
Sponsored
Glass Skylight Pyramid / Hipped  - rooflight - Rooflight / Skylight

Glass Skylight Pyramid / Hipped - rooflight - Rooflight / Skylight

Verified 5 days ago

Lamilux Rooflights Ltd

Pyramid or hipped aluminium framed rooflight/ roof windows for flat roofs.
+2
RIBA
Sponsored
Glass Roof PR60 glazed rooflight - Rooflight / Glass Atrium

Glass Roof PR60 glazed rooflight - Rooflight / Glass Atrium

Verified 5 days ago

Lamilux Rooflights Ltd

A mullion and transom glass roof system for atrium rooflight solutions with optional ventilation.
+3
RIBA
Sponsored
Louvre Window Airstream - AOV Smoke vent SHEV - Louvre

Louvre Window Airstream - AOV Smoke vent SHEV - Louvre

Verified 5 days ago

Lamilux Rooflights Ltd

Thermally separated aluminium framed louvre windows for EN12101-2 certified smoke and heat ventilation. Suitable for integration into the façade of industrial and commercial buildings.
RIBA
Sponsored
Glass Skylight FE Circular - rooflight

Glass Skylight FE Circular - rooflight

Verified 5 days ago

Lamilux Rooflights Ltd

Circular glass rooflight with aluminium frame and GRP upstand.
+2
RIBA
Sponsored
Glass Skylight FE 3°  - Rooflight

Glass Skylight FE 3° - Rooflight

Verified 5 days ago

Lamilux Rooflights Ltd

Aluminium framed glass skylight / rooflight with GRP upstand.
+2
RIBA
Sponsored
M70 Casement Window - PVC-U Window System

M70 Casement Window - PVC-U Window System

Verified 6 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
M70 Tilt and Turn Window - PVC-U Window System

M70 Tilt and Turn Window - PVC-U Window System

Verified 6 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.
BOS
Sponsored
Heritage Flush Casement Window - The Richmond - Timber Heritage Window

Heritage Flush Casement Window - The Richmond - Timber Heritage Window

Verified 13 days ago

Gowercroft Joinery Limited

Timber Heritage Flush Casement Window with U-value of 1.06 W/m²K. Wooden heritage windows for listed buildings and those in conservation areas.
Sponsored
Ultimate Rose Sash Window - Slim Mullion Double - PVC-U Sash Window

Ultimate Rose Sash Window - Slim Mullion Double - PVC-U Sash Window

Verified 15 days ago

Roseview Windows

PVC-U sash window.
+3
Sponsored
Ultimate Rose Sash Window - Slim Mullion Triple - Sash Window Slim Mullion

Ultimate Rose Sash Window - Slim Mullion Triple - Sash Window Slim Mullion

Verified 15 days ago

Roseview Windows

PVC-U sash window.
+3
Sponsored
Ultimate Rose Sash Window - Single - PVC-U Sash Window

Ultimate Rose Sash Window - Single - PVC-U Sash Window

Verified 15 days ago

Roseview Windows

PVC-U sash window.
+3
Sponsored

41dB Acoustic Vertical Sliding Sash Window

Verified 16 days ago

Sash Window Conservation Ltd

Acoustic timber sliding sash windows.
Sponsored

Double Casement Window

Verified 21 days ago

Sash Window Conservation Ltd

Timber casement windows.
Sponsored

Spiral Balance Vertical Sliding Sash Window

Verified 21 days ago

Sash Window Conservation Ltd

Vertical sliding sash window hung on spiral balances.
Sponsored
Internal GRP Cleanroom Windows

Internal GRP Cleanroom Windows

Verified 22 days ago

Dortek Ltd

Dortek windows are double or multiple glazed with an ultra clean flush surface specifically designed for healthcare, pharmaceutical and cleanroom environments.
Sponsored
Casement Window

Casement Window

Verified 26 days ago

Sash Window Conservation Ltd

Timber casement windows.
Sponsored
Refurbishment  - Restoration

Refurbishment - Restoration

Verified 26 days ago

Sash Window Conservation Ltd

Timber sash window restoration.
Sponsored
Weighted Vertical Sliding Sash Window

Weighted Vertical Sliding Sash Window

Verified 26 days ago

Sash Window Conservation Ltd

Timber sliding sash windows.
Sponsored
Sash Secure 240 - LPS 1175 SR2

Sash Secure 240 - LPS 1175 SR2

Verified 26 days ago

Sash Window Conservation Ltd

LPS 1175 SR2 Security-rated timber sliding sash windows with cords and weights or spiral balances.
BOS
Sponsored
Pitchridge Roof Window - Roof Window

Pitchridge Roof Window - Roof Window

Verified 30 days ago

Glazing Vision Ltd

The Pitchridge is part of our roof window range and is a fixed product comprising two panes joined at the ridge using back-to-back angles and silicone seal.
BOS
Sponsored
GIU Fixed Sloped Additional Lower Element

GIU Fixed Sloped Additional Lower Element

Verified 30 days ago

VELUX Company Ltd

Fixed sloped additional lower roof window element in white polyurethane. Suitable for roof pitches from 15-90°.
RIBA
Sponsored
GGLS 2in1 Centre-Pivot Timber Roof Window.

GGLS 2in1 Centre-Pivot Timber Roof Window.

Verified 30 days ago

VELUX Company Ltd

Two-in-one centre-pivot timber roof window, suitable for roof pitches from 15–90°.

Showing 1-36 of 383