Aluminium Bifold & Sliding Doors in Berkshire
When it comes to transforming a home, few things make as much of an impact as the right choice of doors. We design and install high-end aluminium bifold and sliding patio doors across Windsor, Berkshire, Surrey, Hertfordshire, Oxfordshire and West London.
Quick answer
We supply and fit two aluminium bifold door systems: Smart Systems Visofold, one of the most widely fitted bifolds in the UK, including the PAS 24 Visofold 1000 and the ultra-slim, steel-look Visofold 6000; and Cortizo bifolds, a great-value folding system in two to seven panels. Both offer low-threshold options and are made to measure and fitted by our own team across Windsor, Maidenhead and Berkshire.
Why Choose Aluminium for Your Home?
The UK market has seen a massive shift toward aluminium over the last decade. While uPVC remains a solid, cost-effective choice for many, aluminium offers a level of structural integrity that allows for much larger glass spans and much thinner frames. Smaller frames mean more glass, more natural light, and that sleek, minimalist look modern homes are known for.
Bifolds or Sliding Doors?
Aluminium Bifold Doors
- Fold back to create up to a 90% clear opening
- “Slave door” option for daily access without opening the whole set
- Fold in a concertina style, taking little space when open
- Low, near-flush thresholds available
Sliding Patio Doors
- Fewer vertical frames for the best uninterrupted views
- High-grade stainless steel rollers — even 3m panels glide with one finger
- No wind interference since panels slide, not swing
- Structurally strong for very wide openings
Not sure which is right for you? We fit both and will give you an honest recommendation based on your space and how you use it.
Our aluminium bifold door systems: Smart Visofold and Cortizo
We fit two proven aluminium bifold systems, so we can match the door to your opening, your style and your budget rather than pushing one product.
Smart Systems Visofold 1000
Smart Systems’ best-known bifold, and one of the most widely fitted aluminium bifolds in the UK.
- PAS 24 security with multi-point locking
- Internally beaded glazing, so glass cannot be removed from outside
- Low-threshold option for a smoother step to the garden
Smart Systems Visofold 6000
One of the slimmest bifolds available, with steel-look sightlines for a sharp, architectural finish.
- Narrow frames for maximum glass
- Steel-look appearance that suits modern extensions and period homes
- Ideal where the doors are the feature of the room
Cortizo bifold doors
A versatile folding system that stacks neatly to one or both sides of the opening.
- Configurations from two to seven panels
- Low-threshold option for a near-level floor line
- Wide choice of colours and finishes
Visofold or Cortizo: which bifold is right for you?
| Visofold 1000 | Visofold 6000 | Cortizo bifold | |
|---|---|---|---|
| Best for | Everyday family homes and kitchen extensions | Design-led projects wanting the slimmest look | Value-conscious projects and wide openings |
| Look | Clean, contemporary | Ultra slim, steel look | Contemporary, wide colour choice |
| Security | PAS 24, multi-point locking | Multi-point locking | Multi-point locking |
| Threshold | Low-threshold option | Low-threshold option | Low-threshold option |
| Panels | Configured to your opening | Configured to your opening | Two to seven panels |
Not sure? At your free survey we measure the opening, check the floor levels and talk through how you use the space, then recommend the system that fits. If you would rather have fewer, larger panes, we may suggest aluminium sliding doors instead, such as Reynaers CP 130. Our bifold doors FAQ covers the most common questions in more detail.
Technical Performance: Thermal Efficiency & Security
A large wall of glass shouldn’t mean a cold living room or a security risk. Modern aluminium glazing features a polyamide thermal break, drastically reducing heat transfer, and we ensure every installation meets or exceeds Part L building regulations.
Multi-Point Locking
Secured at multiple points along the frame with a single turn of the key.
Toughened Safety Glass
Significantly stronger than standard glass, for real peace of mind.
Customisation: Your Home, Your Way
We offer our doors in almost any RAL colour. Anthracite Grey and Black remain the most popular for a modern look, with Sage Green and bold blues increasingly popular for traditional properties in Ascot and Sunningdale. Choose Matt, Gloss, or Textured finishes, or even dual-colour options with a different finish inside and out.
The Inspired Glazing 4-Step Process
Book an Appointment
We discuss your project and provide professional advice on what will work best for your space.
Agree Quotation
Clear, detailed, competitive pricing. No hidden fees, no pushy sales tactics.
Arrange Survey
Millimetre-perfect measurements to ensure your made-to-measure doors fit perfectly first time.
Arrange Installation
Clean, professional fitting at a time that suits you — we leave your home exactly as we found it.
Frequently asked questions
Are aluminium doors better than uPVC?
Aluminium offers slimmer frames and greater durability, making it better for large openings. However, uPVC is an excellent, cost-effective option for standard-sized openings.
How long does installation take?
Most door installations are completed within a single day. Larger projects or complex structural changes may take longer — we’ll always give you a clear timeline before we start.
Do you offer a warranty?
Yes. All our installations come with a comprehensive guarantee, giving you long-term performance and peace of mind.
Which aluminium bifold doors do you fit?
We supply and fit Smart Systems Visofold bifolds, including the Visofold 1000 and the ultra-slim Visofold 6000, and Cortizo aluminium bifold doors. All are made to measure and installed by our own team.
Is the Visofold 1000 bifold door secure?
Yes. The Visofold 1000 is PAS 24 certified with multi-point locking and internally beaded glazing, so the glass cannot be removed from outside.
How many panels can a Cortizo bifold door have?
Cortizo bifold doors can be configured from two to seven panels depending on the width of the opening, and can stack to one or both sides.
Can bifold doors have a level threshold?
Both Visofold and Cortizo bifolds offer low-threshold options for a near-level step between inside and out. We check your floor levels at survey to recommend the best option.
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Free guide
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