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Bespoke Windows in Bromley and Dartford, to Maidstone and Sevenoaks

When you want something a bit different to fit an unusual space or create a striking focal point in your home, our bespoke windows are for you. Using uPVC, aluminium, or timber, we will work with you to design a unique window to meet your exact specifications. You can choose from over 150+ RAL colours and either our double or triple glazing with decorative glazed sections. Down to the smallest details, our bespoke windows are unique to each homeowner.

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Master Window & Conservatory Installers Association
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  • Colours IconColours IconBrowse colours Tab arrow
  • Glazing IconGlazing IconBrowse glazing Tab arrow
  • Browse materials

    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 uPVC, timber, or aluminium windows.

    uPVC Colours

    White

    White

    Black

    Black

    Grey

    Grey

    Chartwell Green

    Chartwell Green

    Cream

    Cream

    Rosewood

    Rosewood

    Light Oak

    Light Oak

    Irish Oak

    Irish Oak

    Any RAL Colour

    Any RAL Colour

    Timber Colours

    Gloss White

    Gloss White

    Ebony

    Ebony

    Mahogany

    Mahogany

    Afromosia

    Afromosia

    Chartwell Green

    Chartwell Green

    Hawthorn

    Hawthorn

    Iroko

    Iroko

    Lavenham Blue

    Lavenham Blue

    Magnolia

    Magnolia

    Oak

    Oak

    Olive Green

    Olive Green

    Walnut

    Walnut

    Any RAL Colour

    Any RAL Colour

    Aluminium Colours

    Any RAL Colour

    Any RAL Colour

    Browse glazing

    Our uPVC, timber, and aluminium bespoke windows are double glazed for a warmer, safer home. Customise your frames and add Georgian bars in a variety of configurations. Whatever shape and size you choose for your bespoke windows, we offer a variety of high performance glazing.

    Textured glass

    Taffeta

    Taffeta

    Stippolyte

    Stippolyte

    Oak

    Oak

    Pelerine

    Pelerine

    Minster

    Minster

    Mayflower

    Mayflower

    Florielle

    Florielle

    Everglade

    Everglade

    Contora

    Contora

    Digital

    Digital

    Charcoal

    Charcoal

    Chantilly

    Chantilly

    Discover more glazing options

    The benefits of upgrading your glazing are truly limitless - the most notable features including increased warmth, reduced energy bills & beating future energy price hikes. For complete peace of mind, we also offer toughened glazing options to enhance your home security further.

    Tailor designed uPVC windows in Tonbridge, Rochester and Canterbury

    uPVC is incredibly versatile, so you’ll have plenty of choice. The frames can be finished in over 150+ RAL colours and a number of authentic woodgrain effects. From sleek black, to monochrome grey to a vibrant green frame, we have a style to complement any home.

    Not only will bespoke uPVC windows add style to your home, they also excel in their performance, whilst being the most cost-effective window material. This is due to it being readily available thanks to modern manufacturing processes.

    With robust multi-chambered frames, thermal insulation and home security will be significantly improved. We finish our uPVC frames in a protective anti-fade coating, so they’ll continue to look like brand new for at least 35 years. Even better, they won’t rot, corrode or warp and require only the occasional wipe with a damp cloth to remove any dirt every once and a while.

    Bespoke uPVC window interior view
    Aluminium Custom Windows

    Custom-designed slimline aluminium windows

    If you’re looking for an ultramodern aesthetic, then bespoke aluminium windows are an excellent choice. They boast unique thin frames, which from the outside will add a contemporary touch to your home. From the inside, this means you’ll be able to enjoy wider views of the outdoors and they’ll let in more natural light.

    Modern aluminium can be installed in over 150+ RAL colours and a number of wood effects. Whichever bespoke design you choose, their smooth and slimline appearance will add kerb appeal to your home.

    Aluminium windows are a great investment as they have a lifespan of at least 45 years. With an anti-fade coating, they’ll continue to look like brand new without requiring any maintenance. In addition, our high-quality aluminium won’t rust, corrode or warp. A naturally insulating and incredibly durable material, you’ll benefit from increased energy efficiency and home security.

    Bespoke wooden windows in an array of styles

    Timber windows are ideal for homeowners who reside in older properties who are looking to retain the classical charm. However, our custom-designed timber windows are also a great option for those who live in a modern home and are looking to add a unique character. You can choose from over 30 attractive colours and a variety of authentic woodgrain finishes, so they can cater to any personal tastes.

    As timber is naturally insulating and incredibly strong, your home’s performance will be significantly improved. Our high-quality timber has a lifespan of at least 45 years, and requires very little upkeep to ensure it performs like new. You should apply a coating of varnish every 5-7 years to protect the natural elements.

    At Fineline, we use only top-quality timber materials from sustainable sources. It’s grown in responsibly managed forests, meaning it’s the most environmentally friendly window material you could choose. Reduce your carbon footprint with our bespoke timber windows.

    Timber Custom Shaped Windows
    uPVC Custom Shaped Windows

    Add style and energy efficiency with bespoke windows

    Our bespoke windows may look different from the conventional, but their energy efficiency capacity is equally just as high. Like all our window options, our bespoke A+ energy rated windows will help to boost your home’s thermal performance, saving you money on your heating bills whilst improving your standard of living.

    Whichever window material you opt for, you can be sure that they’re fitted with a number of advanced features to heighten its thermal performance. This includes warm edge spacer bars, high-tech glazing and intricately beaded frames.

    Our custom-made windows can be fitted with either our double or triple glazing, and can achieve U-values as low as 0.8 W/m2K. Double glazed tailor made windows use two panes of glass that encompass an argon gas filled chamber. This specification is able to break up the airflow so the warmth is kept inside and the draughts kept out. For homeowners looking for even further energy efficiency, our triple glazed window options includes an additional pane of glass. With 5x better thermal capabilities than a standard glazed windows, it’s the ideal solution for properties exposed to tough weather conditions or in noisy areas.

    Custom-shaped windows will heighten home security

    When you need an unusually shaped window, our bespoke window design service is the perfect choice to add both style and security. We use only the highest-quality materials and when combined with industry-leading manufacturing techniques, your home’s security won’t be compromised. We test all of our made-to-measure windows to strict security standards.

    We fit all of our windows with state-of-the-art locking systems, including multi-point locks which bolt the pane to the frame at several points. This means that in the unlikely case that someone tries to break into your home, they won’t succumb to strong forces. In the same way our bespoke windows offer excellent weather resistance. Whether it be extreme winds or heavy rain, they won’t let you down.

    As they’re uniquely designed to individual requirements, we can include additional security features for homeowners looking for greater peace of mind.

    Bespoke cream uPVC window

    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.

    Read our customer promise

    We are one of the largest Fensa Aproved regional retail companies.

    Our Accreditations

    BSI 9001 2015
    Fensa Approved Installer
    TGAS
    Trustmark
    Ultraframe conservatory installer

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