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4m Aluminium Bifold Doors

4m Bifold Doors
Slim Aluminium Bifolding Doors

Our 4m bifold doors are suitable for many properties in the UK with slim profile and long warranties.

We have both stock options of 4m bifold doors as well as a custom online door builder where you can build any custom-built bifolding door online, and even order with a range of finance options up to £2,000 for certain products at the checkout.

These 4m aluminium bifolding doors are supplied only. If you would like fitting, please use this online door builder here, you can apply for finance at the checkout stage.

installer fitting sliding patio door

10 year warranty with aftercare

Zero deposit required, apply at checkout for instant online approval *on selected products

Secure Ultion lock system

Our most durable 3-star, Police Preferred Specification lock with the UK’s thickest key


Supply of doors

Depending on current offers, you can get 0% interest-free on certain products up to £2000. Apply at checkout for instant online approval.

4m bifold doors with a range of benefits for our customers

A high-security door cylinder lock with a reflective gold-colored core and a label reading "ultion plus" surrounded by five star symbols.

3-Star Ultion locks

Anti-snap Ultion locks on all bifold doors

4 Panel Aluminium Sliding Patio Doors in Grey

With or without integral blinds

5 year warranty on all integral glass blinds

Aluminium bifold door in white RAL 9016 with white integral blinds

Other 4m bifolds available

Use this door builder to make bespoke 4m bifolds

Flexible new door finance options for all budgets and households.

We offer a number of ways to pay for all our new doors, to make it affordable for any budget.

0% interest-free

Finance with Klarna

Finance with Klarna is available at checkout on fitted products, depending on criteria.

Buy now pay later

Buy now, pay later

You can buy now and not pay a penny for 6 months on selected door ranges.

Monthly payments

Low monthly payments

Pay over 3, 5, 7, or 10 years interest bearing finance, with fast approval decisions

Pay in full

Pay in full

You can pay by debit or credit card in full using our secure online checkout system.

Stunning 4m bifold doors with 10-year warranty

Delivery is included for all supply only and fitted doors, we never add this on as an extra. You also get:

  • 10-year door warranty
  • 5-year blinds warranty
  • Fast lead times
  • Made by experts
  • Klarna and other finance options

Bifold doors

Built to last for years to come

Our 4m bifolding doors are super popular

Bifold door handle

Sweet hardware by Ultion standard

Handles and more from the Ultion Sweet range

Technical Specifications


  • 4mm low-e glass with 1.6 u-value as standard
  • Security to PAS 24 standards
  • 10 year warranty on powder coating
  • Floating corner posts available
  • Hung at the bottom for smooth operation


  • Dual colour or standard or any RAL
  • Uni Blinds from Morley Glass
  • Under 4.6m built with glass seperate


  • Fast delivery 1-3 weeks UK wide
  • 4m bifolds come ready to fit (not flat pack)

4m bifold doors FAQ's

Most customers of ours are builders and companies that are renovating or building a new extension, or simply replacing existing aluminium bifold doors in a property.

Choose our supply-only option for the doors plus delivery, or if you would like fully fitted, with finance up to £2,000 (including Klarna) please use this door builder here.

We do hold some stock 4m bifold doors as we dispatch many doors daily across the UK.

3m bifold doors are trendy. We hold a small stock to ensure we can have them readily available for our customers.

If you are looking for the cost of 4m bifold doors, then you can use our product selector above or our online builder to get accurate prices based on your 4000mm wide opening, or whatever else.

Companies like Klarna partner with us to offer a range of retail finance options for selected products.

We are regulated by the Financial Conduct Authority (FCA), fully vetted and know all of the rules and regulations to adhere to.

We’re smart, we know we have to be compliant and super transparent to our customers.

Bifold doors

Apply for finance at checkout

Design, price & order 4m bifolds online in minutes

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