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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
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 3 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.
Sponsored
Profile 22 PVC-u Flush Casement Window - Casement Window

Profile 22 PVC-u Flush Casement Window - Casement Window

Verified 5 days 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
Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Stellar Aluminium Flush Casement Window - Aluminium Casement Window

Verified 5 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
Profile 22 PVC-u Chamfered Casement Window - PVC-u Window System

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

Verified 5 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
Fully Flush Aluminium Casement Window - Aluminium Casement Window

Fully Flush Aluminium Casement Window - Aluminium Casement Window

Verified 5 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
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 5 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
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 5 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
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 5 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 5 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
PVC-u Sculptured Casement Window - Profile 22  - PVC-u Casement Window

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

Verified 5 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
Spectus Casement Windows (Ovolo/ Sculptured) - PVC-U Sculptured Window

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

Verified 5 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
Stellar Aluminium Flush Tilt & Turn Window - Tilt and Turn Window

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

Verified 5 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
Spectus PVC-u Casement Windows (Bevelled/ Chamfered) - PVC-u Chamfered Window

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

Verified 5 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

46dB Acoustic Vertical Sliding Sash Window

Verified 5 days ago

Sash Window Conservation Ltd

Acoustic timber sliding sash windows.
Sponsored

Double Casement Window

Verified 5 days ago

Sash Window Conservation Ltd

Timber casement windows.
Sponsored

Spiral Balance Vertical Sliding Sash Window

Verified 5 days ago

Sash Window Conservation Ltd

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

Internal GRP Cleanroom Windows

Verified 6 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 10 days ago

Sash Window Conservation Ltd

Timber casement windows.
Sponsored
Refurbishment  - Restoration

Refurbishment - Restoration

Verified 10 days ago

Sash Window Conservation Ltd

Timber sash window restoration.
Sponsored
Weighted Vertical Sliding Sash Window

Weighted Vertical Sliding Sash Window

Verified 10 days ago

Sash Window Conservation Ltd

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

Sash Secure 240 - LPS 1175 SR2

Verified 10 days ago

Sash Window Conservation Ltd

LPS 1175 SR2 Security-rated timber sliding sash windows with cords and weights or spiral balances.
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 Tilt & Turn Window - ideal for blocks of flats and high rise commercial and residential buildings.
Sponsored
M70 Casement Window - PVC-U Window System

M70 Casement Window - PVC-U Window System

Verified 14 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
BOS
Sponsored
Pitchridge Roof Window - Roof Window

Pitchridge Roof Window - Roof Window

Verified 14 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 14 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 14 days ago

VELUX Company Ltd

Two-in-one centre-pivot timber roof window, suitable for roof pitches from 15–90°.
BOS
Sponsored
GIL Fixed Sloped Additional Lower Element

GIL Fixed Sloped Additional Lower Element

Verified 14 days ago

VELUX Company Ltd

Fixed sloped additional lower roof window element in timber. Suitable for roof pitches from 15–90°.
RIBA
BOS
Sponsored
GGL Electric/ Solar Centre-Pivot Roof Window

GGL Electric/ Solar Centre-Pivot Roof Window

Verified 14 days ago

VELUX Company Ltd

Electric or solar operated centre-pivot timber roof window. Suitable for roof pitches from 15-90°.
RIBA
Sponsored
GCL Heritage conservation roof window

GCL Heritage conservation roof window

Verified 14 days ago

VELUX Company Ltd

Manually operated top-hung roof window. Suitable for slate or plain tile roofs 20-65°.
+9
BOS
Sponsored
GPL Top-Hung Roof Window

GPL Top-Hung Roof Window

Verified 14 days ago

VELUX Company Ltd

Manually operated top-hung timber roof window. Suitable for roof pitches from 15-55°.
RIBA
BOS
Sponsored
GGU Electric/ Solar Centre-Pivot Roof Window

GGU Electric/ Solar Centre-Pivot Roof Window

Verified 14 days ago

VELUX Company Ltd

Electric or solar operated centre-pivot white polyurethane roof window. Suitable for roof pitches from 15-90°.
RIBA
BOS
Sponsored
VIU Fixed Additional Vertical Element

VIU Fixed Additional Vertical Element

Verified 14 days ago

VELUX Company Ltd

Fixed additional vertical window element in white polyurethane. Suitable for roof pitches from 15-55°.
RIBA
BOS
Sponsored
GEL Roof Terrace

GEL Roof Terrace

Verified 14 days ago

VELUX Company Ltd

GEL Roof terrace system in timber. Suitable for roof pitches 35–53°.
RIBA
BOS
Sponsored
GGL Centre-Pivot Roof Window

GGL Centre-Pivot Roof Window

Verified 14 days ago

VELUX Company Ltd

Manually operated centre-pivot timber roof window. Suitable for roof pitches from 15-90°.
RIBA
BOS
Sponsored
GPU Electrically Operated Top-Hung Roof Window

GPU Electrically Operated Top-Hung Roof Window

Verified 14 days ago

VELUX Company Ltd

Electrically operated top-hung white polyurethane roof window. Suitable for roof pitches from 15–65°
RIBA
BOS
Sponsored
GPU Top-Hung Roof Window

GPU Top-Hung Roof Window

Verified 14 days ago

VELUX Company Ltd

Manually operated top-hung white polyurethane roof window. Suitable for roof pitches from 15-55°.
RIBA

Showing 1-36 of 383