Aluminium Windows Built for Modern Living
Flush fit aluminium casement windows with ultra slim sightlines, Thermavic® thermal technology, and Yale security — available in over 200 colours. A-rated as standard.
High Performance. Innovative Design.
Aluminium windows are a popular choice for homes and businesses across Yorkshire. Durable, energy-efficient, and low-maintenance — flush fit aluminium casement windows in particular offer a refined, contemporary elegance that suits both modern and traditional properties.
Our prestige aluminium flush windows combine clean, slim aluminium lines with exceptional thermal performance. Using Thermavic® multi-chamber technology, our windows achieve U-Values as low as 0.9W/m²k with triple glazing — and are fitted as standard with weathertight Saint Gobain Planitherm 28mm glazing to eliminate draughts and reduce energy costs.
Bold. Secure. Warm.
Three pillars that underpin every aluminium window we manufacture and install.
Be Bold — Style
Ultra slim sightlines, flush contemporary aesthetics, and over 200 RAL powder coat colours — including anthracite grey, black, white, and bespoke finishes. Aluminium delivers a precision look that uPVC simply cannot match.
Be Secure — Safety
Tested and certified to PAS 24 and SBD accreditation standards. Yale shootbolt locking, reinforced fixings and hinges are fitted as standard — giving you and your insurer complete confidence.
Be Warm — Efficiency
Thermavic® multi-chamber thermal design achieves U-Values as low as 0.9W/m²k with triple glazing and 1.3W/m²k with double glazing. Saint Gobain Planitherm 28mm glazing is fitted as standard.
Innovative, high performance & versatile aluminium windows.
Everything You'd Expect From a Premium Window
Every detail of our aluminium flush casement windows is engineered for performance, security, and longevity.
Thermavic® Technology
Our innovative multi-chamber thermal design dramatically reduces heat loss compared to standard aluminium, achieving energy performance levels previously only associated with uPVC.
Ultra Slim Sightlines
The narrow frame profiles maximise glass area, flooding interiors with natural light and delivering unobstructed views — a key advantage over both traditional uPVC and timber frames.
200+ Colour Options
Standard colours include black, white, and anthracite grey. Any RAL colour is available as a bespoke powder coat finish — including dual-colour options with different shades inside and out.
PAS 24 & SBD Certified
Every aluminium window we install is tested to PAS 24 enhanced security standard and holds Secured by Design (SBD) accreditation — the police-preferred specification for home security.
Saint Gobain Planitherm Glazing
28mm Planitherm double glazing is fitted as standard across all our aluminium flush casement windows — weathertight, draught-free, and A-rated for energy efficiency.
In-House Manufactured
All our aluminium windows are manufactured entirely in our Leeds and Bradford factories — giving us full control over quality at every stage and shorter lead times for our customers.
Choose Your Glazing
Both options use Saint Gobain Planitherm glass — A-rated as standard, A+ available with triple glazing.
Double Glazed
Our standard specification — Saint Gobain Planitherm 28mm double glazing delivering excellent thermal performance and exceptional clarity.
Triple Glazed
Maximum thermal performance for north-facing elevations or properties where energy efficiency is the top priority. The warmest, quietest aluminium window available.
200+ Powder Coat Colours
Standard colours available immediately. Any RAL colour made to order — including dual-colour inside/out options.
Any RAL colour available on request. Dual-colour frames (different inside and out) also available.
Aluminium Window FAQs
Ready to Transform Your Home?
Get a free, no-obligation quote for your aluminium windows. Manufactured in our Bradford and Leeds factories, installed by our own certified teams.