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Aluminium bi-fold doors are an amazing addition to homes in Dartford.

We supply and install aluminium bi-fold doors in Dartford in many configurations and colours.

Our FENSA approved installers and expert design team are ready to help you get the best bi-fold doors for you.

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  • Materials
  • Materials

    Key Benefits

    Professional Installers

    All of our bi-fold door fitters and installers are FENSA approved. That means you can trust our team to make sure you get the most out of our bi-folds security and thermal features for your Dartford home.

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    Black aluminium bifold doors installed in a kitchen
    Black aluminium bifold door interior

    Thermal efficiency

    Our thermally broken bi-fold door frames will keep the warmth inside. As a natural insulator, it can achieve A+ energy ratings and U-values of 1.32w/m2k. So you can save money on your Dartford home's energy bills.

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    Custom designed

    All of the bi-fold doors are made in premium aluminium. This material can come in over 150 RAL colours to suit any taste and style you require.

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    Light grey aluminium bifold door
    Black aluminium bifold doors installed in an extension

    How do bifold doors work?

    Bi-fold doors work in a concertina, they are made from panels that are on runners so you can open an entire section of your home easily while saving space.

    How secure are bifold doors?

    Bi-fold doors are very secure. They come with multi-point locking systems and toughened glazing so you can be sure they keep your Dartford home safe.
    We use Origin bi-fold doors as they offer the best bi-fold doors on the market.

    How big are bi-fold doors?

    All bi-fold doors are custom made to make sure they fit any opening perfectly. As long as you have an opening about as big as two standard doors there will be a bi-fold door that can fit.

    How much value do bifold doors add?

    Experts say that bi-fold doors can add up to 10% to the value of a home. This is because they add a wow factor to any property.

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    Aluminium Bi-Fold Door Prices Dartford

    Talk to one of our aluminium bi-fold door experts to get an accurate price. Call or send us a message online and we will be happy to help.

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    Close up of aluminium bifold door

    Begin Your Project

    Get your free quote – with no-obligation to buy. Simply fill in the form below to get started:

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      Multi-award winning company

      Here at FineLine, we’re proud to have won many prestigious awards for our products as well as our work in the community:

      Installer awards 2022
      G21 Finalist
      SEHBAC showroom winner
      Ultraframe designer winner
      Conservatory and orangery awards winner 2019
      NHIC 2018 Consumer confidence award
      G17 Installer of the year
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      We’re one of the largest

      regional retail companies

      Vetted for professionalism, competency & compliancy

      Improving South East homes for more than 50 years

      With show centres across the South East, you’re not far away from achieving your dream home:

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      Our Accreditations

      FENSA Approved
      TSI Approved Code
      Ultra Installer
      QA National Warranties