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Bi-Fold Doors in Bromley and Dartford, to Maidstone and Sevenoaks
The wide opening capacity of bi-fold doors creates a seamless link between interior and exterior spaces. When closed, their slimline frames provide panoramic views of the outdoors. Bi-fold doors function on an easy to use sliding track system. The door panels can be arranged to either neatly stack to one side or in the middle. Commonly placed externally at the rear of properties, they can also be used between two interior rooms to provide an open plan living area.
Our bi-fold doors are available with a range of threshold options and up to 8 door panels to suit specific spaces. Choose a low threshold for easy wheelchair or pushchair access. To improve weatherproofing, opt for a raised storm proof threshold. Our bi-fold doors are available in timber or aluminium, and a plethora of attractive colours to complement any type of property. With high-quality glazing and secure locking systems as standard, you’ll be the envy of your neighbours with a stylish set of new bi-fold sliding doors.
Compare Our Bi-fold Door Material Options
| Aluminium | Wooden | |
| Colours | 150+ RAL colours and a variety of wood effects, with optional dual colour designs. | 150+ RAL colours, and a range of heritage timber designs. |
| Glazing | Double toughened glass. | Double toughened glass. |
| Thermal Performance | Thermally broken frames will keep the warmth inside. As a natural insulator, it can achieve A+ energy ratings and U-values of 1.32w/m2k. | High-quality manufacturing uses one single piece of treated hardwood for optimal energy efficiency that can achieve A energy ratings. |
| Security | As standard, 8-point locks are used to pass PAS 24 tests. Toughened glass is 5x stronger than standard glass. Additional hardware can be included. | Fitted with multi-point locks and shoot bolt systems to pass BS644 security requirements. Additional hardware can be included. |
| Life Expectancy | From 30 years, with no maintenance needed. It’s corrosion and rust resistant. | Requiring only a varnish every 5-7 years, from 30 years. A microporous varnish protects the natural material from rotting or warping. |
| Suitability | A premium material with distinctive slimline and sleek frames. | Responsibly sourced timber will add character to new and old builds. |
Browse materials 
Browse colours 
Configurations 
Browse materials
All our doors are available in timber and aluminium. Browse our individual product pages for more detailed information about our entire range.
Browse colours
Our realistic wood effect finishes are available in white, black, oak, cream, and natural. Use our Kolor Bond system to create the perfect shade for you. For the ultimate in customisation choose any RAL colour for your timber or aluminium doors.
uPVC Colours
White
Black
Grey
Cream
Rosewood
Light Oak
Irish Oak
Timber Colours
Gloss White
Ebony
Mahogany
Afromosia
Chartwell Green
Hawthorn
Iroko
Lavenham Blue
Magnolia
Oak
Olive Green
Walnut
Any RAL Colour
Aluminium Colours
Any RAL Colour
Configurations
Choose from a number of bi-fold door configurations, ranging from 2 to 8 glass panes depending on your desired door size. The door opening can be fitted to either the left, right or middle of the door set to suit your specific space.
Made to measure bi-fold door configurations in Kent
Our bi-fold doors can be created with up to 8 large glass panes, so whether you wish to create a sleek fully glazed wall, or simply just replace an existing tired back door, we can install the perfect bi-fold doors for you. They can either stack in the middle of the door, or to one side, so they’ll ideally fit with your home’s space for excellent space optimisation.
Once we’ve confirmed the structure for you and you’ve chosen from our 3 high-quality materials, you can then decide from over 150 RAL colours, in either smooth and glossy finishes, or woodgrain effects for a more traditional appearance. We also offer dual-colour designs, so the exterior and interior colours can be distinct for a unique design that effortlessly blends with the inside and outside of your property.
Get a quoteWooden bi-fold doors in Tonbridge, Rochester and Canterbury
Whatever the style of your home, our timber bi-fold doors can suit any personal tastes thanks to their versatile range of colours and designs. Their sophisticated appearance can perfectly blend with older properties, whilst adding a modern touch with their contemporary opening mechanisms. With 150 RAL colours, including anthracite grey, black and Chartwell green, and a variety of classic oak effects, you’re spoilt for choice!
Upgrading to wooden bi-fold doors won’t just add the ‘wow-factor’ to the rear of your home, you’ll also notice significant performance improvements. As timber is a naturally insulating material, its dense core will keep the heat inside of your home, providing excellent insulation 365 days of the year. Our high-quality timber is finished in a microporous paint, so it won’t absorb any moisture. Unlike older wooden doors, this stops the material from rotting or warping over time. That’s why our high-performance timber bi-fold doors can last at least 30 years. To further increase its lifespan, we advise a yearly coating of wood protection to safeguard the natural materials.
As a leading double-glazing installer, you can have confidence that we utilise only the highest-quality timber that is responsibly sourced. This ensures it protects the natural elements available, making it an environmentally friendly option that will reduce your carbon footprint.
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Aluminium bi-fold doors with slimline frames
Aluminium bi-fold doors are the pinnacle of modern door solutions. No other material can match the slimline design that aluminium door frames provide. With 150 RAL colour choices in smooth effects, they’ll modernise any style of property, both old and new.
Boasting ultramodern thin frames, our collection of bespoke aluminium bifold doors will maximise the natural light that enters your home, creating a bright ambience. We incorporate advanced glazing panels into the design, which when paired with the insulation abilities of quality aluminium, provides superior thermal benefits. You’ll notice that your home is a more comfortable temperature.
The strongest construction material, aluminium provides unparalleled durability that will stay intact from even the largest forces. It has been rigorously tested to building regulations, exceeding the strict requirements. Not only will this keep your home secure, but it's robustness and anti-corrosion coating will provide protection from harsh weathers, making it an ideal door solution if you live in a coastal area.
Modern bi-fold doors will protect your home
As a reputable double-glazing installer, you can be sure that our bi-fold door collection provides the home security you’d expect of an award-winning range. We incorporate a variety of industry-leading security features, such as multi-point locking systems that include anti-split and anti-drill mechanisms. All of our bi-fold doors have been tested to strict industry standards, illustrating the protection they provide. For greater peace of mind, we can also include additional locking features to further increase your home’s security.
As bi-fold doors include large glass panes, we use toughened glass as standard. It’s 5 times stronger than standard glass. Upon impact it will shatter into thousands of tiny pieces, reducing any injuries from occurring. This makes it an ideal replacement door solution for families with young children and pets.
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Energy-efficient bi-fold door systems
Featuring a thin framed design with large panes of glass, you’d be wrong to think they’ll let the cold elements into your home. In actual fact, our modern manufacturing does the complete opposite, providing unparalleled energy efficiency capabilities. Our advanced double glazing can achieve A+ energy ratings, the very best available on the market. Its innovative design incorporates two dense glass panes that surround an argon gas filled chamber. This multi-layered system effectively keeps the warmth inside of your home, and the warm-edge spacer bars further boosts its thermal performance. With replacement bi-fold doors, you’ll be able to save money on your energy bills, making them an even better investment of money.
Bi-fold doors with integral blinds with retain your privacy
Our range of bespoke bi-fold doors can be fitted with integral blinds. These are confined within the two panes of glass. As they aren’t exposed to the elements, they’ll stay in perfect condition and don’t require any dusting or upkeep to ensure they look like brand new. Our integral blinds are fully compliant with industry safety campaigns, meaning they’re a safe choice for homeowners with children.
A key benefit of adding integral blinds into new bifold doors is that you can manually control the inner temperature. With either a slider or cordless slider option, you’ll be able to adjust how much warmth enters the room. This also lets you admire the unobstructed outside views, and also close the blinds to retain your privacy when you desire.
Our range of integral blinds are available in a variety of designs, including horizontal or pleated styles. You’ll be able to choose from an array of colour options that suit the bi-fold door design.
Door buying process
Buying a product through FineLine offers you real peace of mind
Customer promise
We have the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.
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