Bespoke Aluminium Bifolding Doors

Aluminium Bifold Doors

Aluminium bi-fold doors are the best product on the market for opening homes to the garden and merging indoor and outdoor spaces. And homeowners have taken notice. According the recent Palmer Market report, aluminium is tipped for further growth going forward. This gives window and door installers a big opportunity to take advantage of this growing market by adding aluminium bi-fold doors to their product range.

Manufactured and supply by our sister company Tradesupply Windows, we supply and install Aluminium Bi-Fold Doors within 4-6 weeks from order.


Very popular with its unique Shootbolt & 'D' Handle and continuous hinges. The innovative hinge means that there are no bulky or unsightly hinges to disrupt the contemporary sightlines. The door features hardware designed specifically for doors - as opposed to 'window' hardware utilised on some doors of this type. This allows the Crown Bifold Door to not only be securely locked but also used as a main entry or exit operable from both inside and outside, using our robust & secure Multi-Point Lock.

Reasons to Buy

  • - Continuous Hinges - Inobtrusive aesthetics, no adjustment required and prevents finger trapping
  • - Rebated Leaf (Head, Cill & Locking Jamb) - Provides excellent weather performance combined with high security
  • - Polyamide Head Guide Track for improved thermal performance and smooth/quiet operation
  • - Part L 2013 Building Regulations compliant and capable of achieving a market leading 1.4 W/m²K U value
  • - Unique Combined Shootbolt & D Handle - Key lockable & Shootbolt and pull handle in one
  • - Integral Cills Option for Quicker Manufacture & Installation - Fewer bars to coat, cut & machine
  • - 75mm Vent Profile - Gives increased strength and wear resistance
  • - Compatible with other Sapa window and door products

Technical Information

  • - 1000mm Max Leaf Width - 580mm Min Leaf Width
  • - 3000mm Max Door Height
  • - 100Kg Max Leaf Weight
  • - 28mm Glazing with Chamfered Bead
  • - Available in 2,3,4,5,6 & 7 pane options
  • - Able to open In & Out, Left & Right Hand
  • - Multicavity Outer Frame - 1.5 W/m²k DGU (additional enhancements to 1.4 W/m² overall soon)
Frequently Asked Questions
Bifold door standard sizes are usually 2090mm or 2100mm tall, only slighter taller than you'd find when fitting an internal door. Bifold door widths, however, will vary dramatically depending on your aperture, and could be anywhere from 1800mm with two-panel bifold doors, to 4800mm with up to 6 doors!
Our aluminium bifolding doors are available in standard white gloss finish, anthracite grey matt (RAL 7016) and black (RAL 9005).Alternatively you can choose any of over 200 RAL colours which are available on special order.
Yes. Every home is different so our Bi-fold doors are manufactured to meet your exact requirements. In fact, we manufacture our own Bi-fold doors from our factory in Ipswich.
Yes. However, once your Bi-folds are installed, the opening direction cannot be changed. Many of our customers prefer doors to fold in because when it rains, your floors/carpet won't get wet.
We offer a range of glazing options including double or triple glazing. All of our sealed units consist of Low-E coated glass on the inner pane (a unique microscopic glaze that helps minimize the amount of ultraviolet, infrared and visible light from penetrating the glass), and low iron on the outer pane ( a type of high-clarity glass which allows more light through). The spacer bar (the frame which holds the glass together) is made with warmedge and then filled with Argon gas. This slows the heat transfer across the cavity of the sealed unit, giving extra thermal insulation.
Fitted with multi-point locking systems; they create an excellent barrier against potential intruders.
Yes. We offer a 10 year warranty on all our products.
Usually you won’t need planning permission to replace patio or sliding doors. It is worth checking with the local council if you live in a conservation area or listed property.
Yes. Our bifold doors can operate as a single normal door, with your choice of traffic door.
Yes. Blinds installed between two panes of glass for homes and commercial properties are becoming very popular and come in a variety of colours. They can come with a pull-cord option or magnetic slider. They can even be motorized. Our Tradesupply showroom in Martlesham have them if you would like to take a look. 6 Betts Avenue, Martlesham, IP5 3RH.
Not necessarily. Most Bi-fold doors easily meet or exceed U-values recommended by Building Regulations.
Absolutely! We manufacture aluminium windows and doors so can match the color and style.

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Best placed to carry out your Home Improvements

Manufacturers of Aluminium Windows, Doors and Bi-folds, and with over 18 years trading history installing UPVC Windows, Doors and Conservatories, Homestyle Windows are best placed to offer you a first class service.

20 Years of Experience

2,357 Happy Customers

9.8 Check A Trade Rating

364 Days a year our showroom is open


The only founding member of DGCOS in Ipswich - we are passionate about peace of mind to homeowners.

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