Modern aluminium bifold doors on a contemporary building
Trade & Private Supply

Premium Aluminium Windows & Doors

AJO Windows and Doors supplies high-performance aluminium windows, doors and glazing systems to trade professionals and private homeowners alike. From bifold doors to commercial shopfronts — quality you can rely on, delivered when you need it.

Supplying high-performance aluminium windows and doors for homeowners, developers, architects, and trade professionals across the UK.

Commercial Projects
New Build
Residential
Refurbishment
UK
Trade & Private
CAD
Bespoke Design Drawings
4–8
Weeks Delivery Time
100%
Customer Satisfaction
Aluminium window frame glazing detail close up

Engineering & performance

Technical Specifications

T5 powder coat · Thermal value 1.2 W/m²K · High-end ironmongery as standard · Double & triple glazing available

Thermal Performance

Double Glazed Unit

Advanced thermal design for energy efficiency, comfort and year-round performance.

THERMAL ANALYSIS

26.817.88.8-0.3-9.3-18.3°C
◄ EXTERIORINTERIOR ►28mm IGU
T5 Powder Coat
Aluminium Extrusion
Polyamide Thermal Break
Toughened Glass
Warm-edge Spacer Bar

THERMAL ANALYSIS

U-VALUE1.2 W/m²·K
GLASS MAKE-UP6mm Low-E / 14 / 6mm Low-E
GAS FILLArgon 90%
POWDER COATT5 – any RAL
IRONMONGERYHigh-end as standard

Thermal Performance

Triple Glazed Unit

Maximum thermal insulation for superior comfort and outstanding energy savings.

THERMAL ANALYSIS

26.817.88.8-0.3-9.3-18.3°C
◄ EXTERIORINTERIOR ►44mm TGU
T5 Powder Coat
Aluminium Extrusion
Polyamide Thermal Break
Toughened Glass
Warm-edge Spacer Bar

THERMAL ANALYSIS

U-VALUE0.7 W/m²·K
GLASS MAKE-UP4 / 16 / 4 / 16 / 4 mm
GAS FILLArgon – both cavities
POWDER COATT5 – any RAL
IRONMONGERYHigh-end as standard
AJO

Windows & Doors

About us

Supplying trade professionals and private homeowners

AJO Windows and Doors was founded with one goal: to be the supplier that professionals and homeowners can genuinely rely on. We source and supply premium aluminium products for commercial, new build, residential and refurbishment projects across the UK — from slim-sightline bifold doors and sliding patio systems to roof lanterns, flat rooflights and commercial shopfronts. Whether you're a builder, architect, installer or a private homeowner, every product we supply is built to perform, backed by real technical knowledge and delivered with the service your project deserves.

CommercialNew BuildResidentialRefurbishment

Ready to discuss your next project?

Whether you're pricing a new build, planning a renovation or specifying a commercial fit-out, our team is ready to help.

AJO Aluminium Windows & Doors

A trusted supplier of premium aluminium windows, doors and glazing products for trade professionals and private homeowners across the UK.

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