Cortizo
Spanish aluminium · approved installer
Spanish-engineered aluminium for slim-sightline systems. We install COR-Vision sliders (20mm interlock, opening widths to 4.2m), COR-60 and COR-80 casement windows, polyamide thermal break throughout. U-values from 1.2 W/m²K double-glazed, 0.9 W/m²K triple. PAS 24:2022 compliant.
Explore Cortizo systems →Schuco
German aluminium · approved installer
German precision aluminium. AWS 75 casement windows and ASS 70 sliding doors — both PAS 24:2022 compliant, engineered for the high-performance retrofit. Polyamide thermal break delivers U-values down to 0.94 W/m²K triple-glazed.
Explore Schuco systems →Origin
British aluminium · approved partner
British-engineered aluminium made in High Wycombe. The OB-49 bifold and OW-49 casement systems are favoured where the schedule is tight — Origin holds factory stock and turns orders in days, not weeks. Same-spec performance, faster lead time.
Explore Origin systems →Rehau
German uPVC · approved installer
German-engineered uPVC. TOTAL70 casement, Slinova sliding, and Rio flush inline systems — all A+ energy rated, all suited to conservation-area constraints where aluminium isn't permitted. The premium uPVC profile when the build needs one.
Explore Rehau systems →Victorian Sliders
uPVC sliding sash · approved installer
Specialist uPVC sliding sash windows that recreate Victorian and Edwardian sash detail in maintenance-free uPVC. Run-through horns, deep bottom rails, mechanical joints — heritage profile, modern thermal performance. Approved option for conservation-area replacements.
Explore Victorian Sliders systems →Palladio
Composite entrance doors · approved installer
The only composite entrance-door system we install. 48mm solid timber core, 12-year manufacturer warranty, Secured by Design certified, PAS 24:2022 compliant. 100+ door styles, bespoke colour matching to the elevation.
Explore Palladio systems →Gerda
Polish steel security doors · approved installer
Polish-engineered steel front doors rated RC3 and RC4 — the highest residential burglary-resistance classes in EN 1627. Multi-point locking, security cylinder, anti-bump core. Specified on private estates and listed properties where security drives the brief.
Explore Gerda systems →SteelR
Bespoke UK steel doors · sister brand
Our sister brand — bespoke steel security doors rated SR3, with custom panel designs for high-end residential entrances. Steel-clad threshold details, concealed multi-point locking. Made in the UK to the homeowner's specification.
Explore SteelR systems →Korniche
Roof lanterns · supplied and installed
Made For Trade's Korniche roof lantern — the slimmest 50mm ridge bar on the UK market. We supply and install; never DIY. Four standard sizes plus bespoke. Specified on kitchen-extension projects across the Home Counties where ceiling profile is the design moment.
Explore Korniche systems →Pilkington
UK-made specialist glass
The glass inside every Vitrum installation. Pilkington Optitherm (low-E thermal), Activ (self-cleaning), K Glass (heritage retrofit), and laminated security configurations. NSG Group quality control end-to-end — the same glass specified on RIBA-award builds.
Explore Pilkington systems →