How much do aluminium bi-fold doors cost?

As a guide, aluminium bi-fold doors start from GBP 1,799 for a 2-panel set, GBP 2,699 for a 3-panel set, GBP 3,599 for a 4-panel set, and GBP 4,499 for a 5-panel set. The final quote depends on measured size, threshold choice, colour, glazing, hardware, access, and site conditions.

Do bi-fold guide prices include every installation detail?

No. The guide prices are useful starting points for the approved panel counts, but the fixed quote still depends on the measured opening, threshold, colour, glazing, hardware, access, and any making good needed around the old frame.

Are bi-fold doors always better than sliding patio doors?

No. Bi-folds are better when you want a large clear opening. Sliding doors are often better when the view through closed glass matters more than the fully open width.

Can a bi-fold include one everyday door?

Yes. A traffic door can be built into many layouts so you can step outside without folding the whole set back every time.

Can aluminium bi-fold doors have integral blinds?

They can be discussed as an upgrade where the glass unit, panel size, and door layout are suitable. We check the measured opening, pane sizes, handle positions, and whether selected panels or the whole set should include blinds before quoting.

How much do aluminium bi-fold doors cost in Romford?

As a guide, aluminium bi-fold doors start from GBP 1,799 for a 2-panel set, GBP 2,699 for a 3-panel set, GBP 3,599 for a 4-panel set, and GBP 4,499 for a 5-panel set. The final Romford or Essex quote depends on measured size, threshold choice, colour, glazing, hardware, access, and site conditions.

What makes these aluminium bi-folds different from a standard folding door?

The main differences are slimmer sightlines, larger available panel sizes, stronger thermal performance, and a wider choice of thresholds and finishes. It is a more design-led specification than a basic folding door.

How many panels can an aluminium bi-fold door have?

The current guide pricing covers 2, 3, 4, and 5-panel layouts. The final layout is based on your opening width, stacking preference, and whether you want a daily-use traffic door.

Can I still get a low threshold on an aluminium bi-fold?

Yes. Both standard and low-threshold options are available, with the right version chosen at survey once the finished floor levels and exposure are understood.

Can I include a traffic door in an aluminium bi-fold?

Yes. A traffic door can be built into the layout so you have a practical day-to-day access leaf without opening the full bi-fold every time.

Doors

Aluminium Bi-Fold Doors

Aluminium bi-fold doors with flexible panel layouts, low-threshold options, and specification-led configuration for larger glazed openings.

Thermally broken aluminium bi-fold system
2, 3, 4, and 5-panel guide options
Standard or low-threshold options
Broad powder-coated colour range

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Colours & Finishes

Door colour: Anthracite Grey

Standard colours

Inside and outside finishes can be discussed separately where the chosen range allows.

Traffic-door and hardware finish: Black

Bi-fold hardware is planned around daily access: traffic-door handle, panel catches, locking, stack direction, and whether the threshold is standard or lower access.

Made to measure. We show the relevant colour and hardware options during your survey before anything is finalised.

Aluminium Bi-Fold Doors in Anthracite Grey

Traffic-door and hardware finish: Black

Bi-fold hardware is planned around daily access: traffic-door handle, panel catches, locking, stack direction, and whether the threshold is standard or lower access.

Made to measure. We show the relevant colour and hardware options during your survey before anything is finalised.

Specification Choices

Set the bi-fold around panel count, threshold detail, and daily use

Start with the priced panel count, then refine stack direction, threshold, colour, glass, and hardware once the opening has been measured.

Made to measure

Panel count and guide price sit together

These are the four panel-count options currently priced from the sheet. The final layout still depends on the measured opening, stack direction, threshold, and site conditions.

2-panel bi-fold

£1,799From

from price for a 2-panel fitted set

A compact bi-fold route for narrower garden openings where a simple pair would not give the same folded access.

Narrower rear openings
Same colour inside and outside
Dual colour priced separately

3-panel bi-fold

£2,699From

from price for a 3-panel fitted set

A common mid-size layout where daily access, traffic-door planning, and stack direction need to be agreed early.

Medium garden openings
Traffic-door planning matters
Threshold confirmed at survey

4-panel bi-fold

£3,599From

from price for a 4-panel fitted set

A wider family-opening option where the folded stack, traffic route, and patio line need setting out together.

Wider rear elevations
One-way or split-stack layouts
Hardware route confirmed in quote

5-panel bi-fold

£4,499From

from price for a 5-panel fitted set

The largest priced layout in the current sheet, suited to larger openings where maximum clear access is the priority.

Largest current guide option
Stack space checked first
Panel weight confirmed from sizes

Guide prices are starting points, not final quotes. Dual colour, upgraded hardware, specialist glazing, threshold changes, making good, and unusual site conditions are quoted separately. Aluminium supplier costs can move, so written aluminium quotes are normally held for around 7 days.

Technical Details

Specification and Options

Useful comparisons

Composite doorsCompare the front-door route built around colour, glass, hardware, and kerb appeal.UPVC doorsCompare the practical route for rear, side, utility, and porch entrances.Stable doorsCompare a split-opening door for ventilation, pets, children, and garden access.French doorsCompare a simple hinged garden-door pair for smaller rear openings.Sliding patio doorsCompare large glass sliders when the closed-door garden view matters most.Heritage aluminium doorsCompare steel-look proportions for divided glass and period-industrial styling.

Optional Upgrade

Integral blinds for a cleaner bi-fold opening

Integral blinds suit bi-fold projects where the finished opening needs to stay sleek and uncluttered. The blind sits inside the glazed unit, so there are no loose cords, no exposed slats to clean, and no surface-mounted blinds fighting with the folded panel stack.

White internal bi-fold doors with integral blinds sealed inside the glass units

Between-glass shading

A discreet blind sealed inside the glass unit, planned panel by panel during survey.

Useful on bi-folds when

The rear room is overlooked but still needs a wide garden opening
Curtains or surface-mounted blinds would clutter the folded stack
You want glare control without losing the minimalist aluminium look

Blind types we can discuss

Magnetic integral blinds

A slim magnetic slider raises, lowers, and tilts the blind inside the sealed glass unit.

Electric integral blinds

Remote operation suits larger panes, harder-to-reach glass, and cleaner contemporary rooms.

What we check

Panel size, glass weight, and unit depth
Traffic-door position, handles, and threshold detail
Whether the blind layout should cover every pane or only selected panels

Magnetic and electric options can be discussed. Suitability depends on pane size, panel layout, glass specification, and final survey.

Ask about bi-fold blind upgrades

Free Survey

Ready to shortlist this product properly?

If this looks like the right fit, we can survey the opening, confirm the specification, and price it properly for your home with no obligation.

Free surveyFixed quoteDirect Cii installation team

Get a free quote 020 8500 9100

Aluminium bi-fold doors are usually chosen when a Romford or Essex home needs the rear opening to fold back as widely as possible. They suit kitchen extensions, garden rooms, and open-plan rear elevations where panel count, stack direction, traffic-door position, threshold detail, and patio levels all affect daily use. We show approved 2, 3, 4, and 5-panel guide prices as a starting point, then confirm the measured opening, colour, glazing, threshold, hardware, access, and making good before issuing the fixed quote.

Key Specifications

Large panel sizes are supported without the bulky look of older folding-door systems

Double and triple-glazed configurations are available depending on thermal and acoustic targets

Class 4 air permeability, E750 water tightness, and C3 wind resistance on the tested platform

Anti-lift hinge design and PAS 24 option for higher-security specifications

Single and dual-colour powder coating across the RAL range

Low-threshold and standard threshold options to balance access and weathering

How It Works

From Survey to Sign-off

Step 1

Survey

We visit, measure, and advise on the right configuration for your property.

Step 2

Install

Our Cii team installs with clean, tidy workmanship.

Step 3

Sign-off

Final checks, handover, and Assure certification where required.

Next Step

Want a fixed quote from a real survey?

We will measure up, talk through finishes and installation details, and give you a clear quote based on the actual opening rather than a generic estimate.

Free surveyFixed quoteDirect Cii installation team

Get a free quote 020 8500 9100

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