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A huge range of windows, doors and conservatories from Sevenoaks' local double glazing experts

Surrounded by a variety of quaint Kent villages, such as Sundridge and Igtham, we’ve been serving Sevenoaks and the neighbouring area with competitively priced double glazing products for over 50 years. From bespoke heritage windows for stunning Sevenoaks period properties to ventilating and illuminating sash windows for elegant Victorian homes, right through to more modern double-glazed offerings and functional yet versatile conservatories in Sevenoaks, we have a wealth of local knowledge to share.

Located in western Kent, 32 miles from London Bridge, the charming market town of Sevenoaks is renowned for its excellent transport links to the capital. Popular with commuters since 1862, it’s named after seven historic oak trees standing proudly on today’s cricket ground site.

With a rich history dating as far back as the 13th Century, Sevenoaks boasts many beautiful green spaces, including the National Trust Knole Park; home to herds of wild deer, unusually, just a short walk from the high street.



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    50 years of double-glazing experience in Sevenoaks

    With over 50 years of outstanding home improvements in the surrounding Kent area, we’ve strengthened our local reputation as one of the leading home improvement installers in Sevenoaks.

    Windows, doors and conservatories in Sevenoaks

    Our variety of home improvements includes windows, doors, conservatories and roofline in a multitude of styles, materials and colours, so we can truly tailor each installation to your Sevenoaks home. From sleek and durable aluminium bifold doors, to the UK’s favourite, uPVC windows, to traditional Victorian conservatories in Sevenoaks, we have the experience to exceed customer expectations with our bespoke home improvements in Kent.

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    Sevenoaks Property
    Maidstone show centre

    Two outstanding show centres in Kent

    Our two Kent show centres are conveniently located for homeowners in Hastings. Visit our show centres in Dartford or Maidstone to see our wide range of quality home improvement installations, including windows, doors, conservatories and orangeries. You can also speak to one of our friendly members of the team who will be more than happy to help with discussing different home improvement options for your Sevenoaks home.

    Visit our show centres

    Windows in Sevenoaks

    We have an excellent range of windows for Sevenoaks homeowners.

    Available in a massive range of colours, styles and materials we provide highly energy efficient and secure windows with double glazed or triple glazed glass.

    From uPVC windows in Sevenoaks to aluminium windows we have you covered.

    More about our Windows
    Evolution window
    Grey Gable Conservatory installation

    Conservatories in Sevenoaks

    We have been designing and installing bespoke conservatories in Sevenoaks for years.

    Our range of conservatories is extensive and we can help you with design and conservatory installation. We provide a full conservatory service from design to build.

    More about our Conservatories


    From patio doors for the back of your home to composite doors for the front. We have all the door options you could need to give your Sevenoaks home more character.

    All of our doors have excellent insulation to save you money on your energy bills as well as top security features to keep your home secure.

    More about our Doors
    Dark blue composite front door
    Flush sash window installation

    Double glazed windows, doors and conservatories tailored for your Sevenoaks home

    We know that every homeowner has their own personal taste. That's why our double glazed windows, doors and conservatories are fully customisable and can be designed in a plethora of beautiful colours and finishes, including traditional oak windows, Chartwell green conservatories and grey composite doors.

    Double glazed windows in Sevenoaks

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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:

      See our show centres

      Our Accreditations

      FENSA Approved
      TSI Approved Code
      Ultra Installer
      QA National Warranties