Transform Your Home with Premium Bifold Windows

Enhance your home with premium bifold windows from Bowalker Windows. Our in-house team measures and fits every bifold window with precision, ensuring secure installation, smooth folding operation and a weathertight finish throughout. All work is FENSA-registered (reg. 33081) and covered by a 10-year insurance-backed guarantee.

Dimensions Max size 2.5M high x 1.5M wide
Thermally Broken As standard
Glass Astragal bars, Satin, Double Glazed

Professional Bifold Window Installation and Replacement Services

As an experienced bifold window installer, Bowalker Windows provides bifold window installation and replacement services for homeowners who want to improve space, light and energy efficiency. Since 2009, we have installed made-to-measure bifold windows that fold, slide and stack along a precision track system, creating a smooth indoor-outdoor living connection.

Our in-house window installers survey, supply and fit aluminium, uPVC and timber bifold windows, including kitchen bifold windows, pass-through folding windows and multi-panel configurations. Each system uses thermally broken frames, double or triple glazing and multipoint locking hardware to deliver secure operation, durable performance and consistent insulation.

Call Bowalker Windows on 01444 810 111 to request a free, no-obligation quote for expert bifold window installation and replacement. Our team will measure your aperture, configure the right bifold window system and complete a fully fitted installation backed by FENSA registration (reg. 33081) and a 10-year insurance-backed guarantee.

Materials

Timber
uPVC
Aluminium

Standard Hardware

Chrome
Satin
Gold Knob
Antique Black Knob

Standard Colours

Smooth White
Cream
Painswick Grey
Chartwell Green
Anthracite Grey
Irish Oak
Dual Colour
Paint to Order

Glass

Triple Glazed
Satin
Astragal Bars

Standard Layouts

Single
Double
Triple

Our Certifications and Professional Standards

Why Homeowners Choose Bowalker For Bifold Window Installation Services?

Homeowners choose Bowalker for bifold window installation because our in-house team measures, configures and fits every system with precision, ensuring consistent quality and reliable performance. Founded in 2009, our in-house installers deliver made-to-measure bifold windows with thermally broken frames, double glazing, multipoint locking and weather-tight seals, improving energy efficiency and creating seamless indoor-outdoor spaces. Every project includes a full survey and clear quotation, supported by FENSA registration (reg. 33081) and a 10-year insurance-backed guarantee.

10-year Insurance-backed Guarantee

Fensa Registered And Fully Compliant

Hassle-free, Full-service Experience

In-house Installers (No Subcontractors)

Fixed Pricing Guarantee, No Surprises

Types of Bifold Windows We Install and Replace

Top-hung bifold windows use a head track to support panel weight, allowing panels to fold and slide smoothly whilst reducing stress on the sill. Suited to large apertures and wide openings, this system offers superior durability and long-term stability.

Bowalker installs and replaces top-hung bifold windows with thermally broken aluminium or uPVC frames, A-rated double glazing, secure multipoint locking and EPDM weather seals, ensuring smooth operation and consistent thermal performance throughout.

Using a sill track where precision rollers carry the panel weight, bottom-rolling bifold windows allow panels to slide and fold with minimal effort. Well-suited to smaller openings and straightforward installations, this configuration offers a cost-effective and reliable solution.

Bowalker carries out bottom-rolling bifold window installation and replacement using durable stainless steel rollers, weather-tight EPDM seals and A-rated double glazing, maintaining smooth operation, strong insulation and low maintenance over the long term.

Inward-opening bifold windows fold and stack panels inside the property, providing controlled airflow, easy internal cleaning and a clear external elevation. Particularly well suited to kitchens, utility rooms and enclosed spaces where external clearance is limited.

Bowalker specialises in the installation and replacement of inward-opening bifold windows with secure multipoint locking, precision hinges, thermally broken frames and energy-efficient glazing, ensuring safe, reliable operation and consistent thermal performance throughout.

For properties where indoor-outdoor living is a priority, outward-opening bifold windows fold and stack panels externally, maximising internal floor space and creating a fully clear opening for ventilation and natural light.

Bowalker completes outward-opening bifold window installations and replacements using thermally broken aluminium or uPVC frames, weather-tight EPDM seals and A-rated double glazing, ensuring reliable long-term performance and a seamless transition between interior and exterior spaces.

Corner bifold windows eliminate the need for a fixed corner post, allowing panels to fold and open from both sides to create a wide, unobstructed aperture that maximises views and natural light.

Bowalker handles corner bifold window installation and replacement with reinforced thermally broken frames, precision-engineered hinges, secure multipoint locking and A-rated double glazing, ensuring structural stability, smooth operation and strong thermal performance across the full opening.

Ideal for kitchens, home bars and outdoor entertaining spaces, pass-through bifold windows fold and stack to create an open serving space between indoor and outdoor areas.

Bowalker manages installation and replacement of pass-through bifold windows with durable aluminium or uPVC frames, smooth stainless steel track systems, secure locking hardware and weatherproof glazing, ensuring practical everyday use and reliable long-term performance.

Where generous ventilation and access are required across large apertures, multiple-panel bifold windows use three or more panels that fold and stack along a precision track to maximise opening width and flexibility.

Bowalker carries out multi-panel bifold window installation and replacement with made-to-measure thermally broken aluminium frames, A-rated double or triple glazing and multipoint locking, optimising performance, energy efficiency and usability throughout.

No more windows to show

See Our Work In Action

Doors

Pool House

We helped create a stunning new-build pool house in West Sussex, featuring bespoke cornerless sliding doors and uninterrupted countryside views.

Rooflight

Living Room Extension

Partnership with builder to create a bright, modern living space with aluminium French doors, Bifold doors, matching windows, and a Lantern Rooflight.

Doors

Whole House Renovation

Assisted a developer with a full property renovation with, installing bespoke blue and black aluminium windows and doors.

Windows

Full Window & Door Upgrade

We helped transform an aging building with 56 new white uPVC windows and doors, enhancing thermal efficiency while keeping costs reasonable.

What Are the Benefits of Installing Bifold Windows?

Installing bifold windows improves ventilation, increases natural light, strengthens insulation and creates a seamless indoor-outdoor living connection. These folding windows use multi-panel configurations, thermally broken frames and energy-efficient glazing to optimise performance, security and space usage whilst enhancing the overall functionality and appearance of your property.

The Seven benefits of installing bifold windows are:

Maximum Ventilation and Airflow

Bifold windows open fully by folding and stacking panels along the track, allowing unrestricted airflow and improving indoor air quality, especially in kitchens and living areas.

Increased Natural Light

Slimline frames and large glazed panels allow more daylight to enter through the aperture, reducing reliance on artificial lighting and improving internal brightness.

Improved Aesthetics and Views

Bifold windows create wide, unobstructed openings that enhance external views and give a contemporary, clean appearance to both traditional and modern properties.

Space-Saving Design

Panels fold and stack neatly to the side, removing the need for swing space and making bifold windows ideal for compact areas or servery openings.

Energy Efficiency and Thermal Performance

Thermally broken frames, double or triple-glazed glass and weathertight seals reduce heat loss, improve insulation and maintain consistent indoor temperatures.

Increased Property Value

High-quality bifold windows improve functionality, appearance and energy performance, which supports higher property value and buyer appeal.

Seamless Indoor-Outdoor Connection

Bifold windows open up your living space by removing barriers between inside and outside areas, making them suitable for pass-through windows, outdoor bars and garden-facing rooms.

How to Get Started With Bifold Window Installation and Replacement at Bowalker?

Getting started with bifold window installation at Bowalker begins with a free consultation, where our team assesses your aperture and recommends suitable configurations, including kitchen or pass-through designs. We then provide a no-obligation fixed-price quote, with our in-house installers handling every stage to ensure your bifold windows meet your energy-efficiency, security and performance requirements.

Get In Touch

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Areas We Serve

Bowalker Windows provides bifold window installation and replacement services throughout Sussex and Surrey. Our in-house installers survey, supply and fit made-to-measure bifold windows, ensuring consistent installation quality, reliable performance and full compliance with FENSA standards.

What Our Happy Customers Say

EXCELLENT

Based on 36 reviews

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Marchants Estate Agents Hassocks 2 weeks ago

Excellent service from a local independent company. Highly recommend.

Andy Clarke 3 days ago

I had replacement windows installed. Design and advice was good and cost was competitive. Installation was started in a good time to a good standard.

Abi Hosier a month ago

Bowalker have been incredibly helpful and provided me with extremely useful information about the windows and doors at a property I moved into, previously supplied by them. Great customer service, really recommend

steph park a month ago

Bowalker replaced all of our windows and patio doors in November. They are very efficient and got the job done in the pouring rain but did it quick and professionally. We had a couple of teething issues with the doors after completion and they did not hesitate to come out and rectify the issue. Excellent customer service and a friendly team. Would highly recommend

Nic Downer Edited 3 months ago

We had a total of 6 windows fitted at end of June 2025 (2 bathroom(frosted), 1 hallway,1 dining room and two big bay windows complete with 2 window boards). Took 5 days in total as bay windows were load bearing ,the window boards were not in warehouse so took extra time to arrive and fit , the silicone/mastic finish wasn’t great and they cut one end of a window board wrong , but after a telephone call a new team of fitters came out and rectified the mistakes of original fitters that we had noticed , a window pane had got scratched in delivery so they replaced that as well. This was a big job that entailed some mistakes but over time was rectified by bowalker windows by sending out another team of fitters to fix some minor mistakes of original fitters . We went on a recommendation from a work colleague who had used Bowalker windows in the past as were very good. Maybe just improve your fitters mastic silicone skills a bit more but is is an old house of 110 years and nothing is level in this house

Mark Fitzpatrick 4 months ago

As a property developer operating across Brighton and Hove, I rely on trusted trades who consistently deliver — and Bowalker Windows Ltd, led by Zack Newman, is one of those partners. We specify their windows across all our developments because their products meet the high standards our clients expect, installations are completed on schedule, and site coordination with our contractors is seamless. Zack is responsive, pragmatic, and straightforward about lead times and costs, which makes planning and handovers far easier. Their workmanship is excellent, energy-performance claims are reliable, and they stand behind their warranty. Competitive pricing, professional teams, and reliable aftercare mean we’ll continue to use Bowalker Windows on future projects. Highly recommended for any developer or home owners in the Brighton & Hove area.

mark Matthew 4 months ago

5 stars! I recently had all the windows in my home replaced by Bowalker Windows and couldn’t be happier with the result. From my very first contact I worked with Zack Newman — he was professional, knowledgeable, and transparent about pricing and timelines. The installation team arrived on time, worked efficiently, and left the house clean. The new windows look fantastic, operate smoothly, and have already made a noticeable difference in comfort and noise reduction. Excellent customer service from start to finish — I highly recommend Zack and Bowalker Windows to anyone looking for quality work and a hassle-free experience.

Graeme Edited 5 months ago

I am 9 years into our windows installation from Bowalker Windows. I emailed them on Sunday with an issue and by 3pm Monday afternoon they were at my home sorting the issue. This company's attitude to exceeding customer service and going the extra mile is in their DNA. These guys are just amazing from cradle to grave when it comes to windows and doors. I wouldn't go anywhere else. Simply fantastic.

Tatiana Gurova 6 months ago

The installation went quickly and without any problems. I recommended them as excellent specialists.

Joanna Steadman 6 months ago

We have used Bowalker on several occasions for replacement windows and doors and have always been pleased with the work, product price snd communication

Meet Our Team

Our team at Bowalker comprises highly skilled window installers who deliver premium installations with precision and care. Every bifold window installer works fully in-house, ensuring consistent quality, accountability and a seamless experience from consultation to completion. We are committed to making your home warm, safe and stylish, with a focus on customer satisfaction and long-lasting performance.

Bifold Windows Project Gallery

Two anthracite sash windows in Hassocks

Ready To Get Started With Bowalker Bifold Windows?

Installing bifold windows improves your home’s ventilation, energy efficiency and indoor-outdoor living connection whilst enhancing overall appearance and functionality. Bowalker Windows delivers a fully managed service with in-house installers who measure, supply and fit made-to-measure bifold windows using thermally broken frames and energy-efficient glazing.

Call 01444 810 111 to arrange your free consultation and no-obligation quote. Our team will survey your space, configure the right bifold window system and complete a precise installation backed by FENSA registration (reg. 33081) and a 10-year insurance-backed warranty.

Frequently Asked Questions

What Are Bifold Windows?

Bifold windows are folding window systems made of multiple panels that fold, slide and stack along a track to open up an aperture. These windows use hinges, rollers and a head or sill track to operate smoothly, creating wide openings that improve ventilation, natural light and indoor-outdoor living connections.

How Much Does Bifold Window Installation Cost?

Bifold window installation costs between £1,200 and £3,500+ per window fully fitted, with most homeowners paying £1,200 to £2,000 on average. Supply-only prices range from £900 to £3,800, depending on size, material (uPVC, aluminium or timber), glazing type and panel configuration.”

What Materials Are Bifold Windows Made From?

Bifold windows are made from aluminium, uPVC or timber frames, combined with double or triple-glazed glass. Aluminium provides durability and slimline frames, uPVC offers low-maintenance performance and timber delivers a traditional finish with strong insulation properties.

How Long Does Bifold Window Installation Take?

Bifold window installation takes 2 to 4 hours per window, depending on size and configuration. A full installation across a property may take 1 to 2 days, depending on factors such as aperture preparation, frame removal and glazing requirements.

What Guarantee Do You Provide on Bifold Window Installation?

Bowalker provides a 10-year insurance-backed guarantee on every bifold window installation, covering workmanship and installation quality for lasting performance and complete peace of mind. All installations are FENSA-registered (reg. 33081), confirming compliance with current Building Regulations, with all certification and documentation handled on your behalf.

Do I Need to Be at Home During the Installation?

No, you do not need to be at home during the installation if access to the property has been arranged with our team. Our in-house installers will work to a clear schedule, keep disruption to a minimum, remove and dispose of all old frames and ensure every bifold window is securely fitted, sealed and tested before they leave.

How Much Does It Cost to Replace Bifold Windows?

Replacing bifold windows costs between £1,200 and £3,500+ per window fully fitted, depending on frame material, glazing specification and number of panels. Structural alterations, such as widening the aperture, can add £900 to £1,500 in labour.

What Are the Maintenance Tips for Bifold Windows?

Maintenance tips for bifold windows include cleaning the glazing and frames regularly with a mild detergent and a soft cloth, lubricating the hinges, rollers and multipoint locking hardware with a light oil or specialist window lubricant twice a year, and checking the EPDM seals and gaskets annually to prevent draughts and water ingress. Ensure tracks remain clear of debris to maintain smooth folding operation, and inspect seals periodically for signs of wear. Aluminium and uPVC frames require minimal upkeep beyond regular cleaning, whilst timber frames may need periodic resealing or repainting every three to five years.