Timber Sash Windows London

  • Premium Range Sash London
  • No.1 Sash Window Specialists In London
  • Best Sash Window Refurbishment London
  • Complete New Timber Sash Windows
Why Choose Timber Box Sash Windows?

London’s Leading Timber Box Sash Windows
Heritage – Energy-Efficient – Sustainable

At SJB Sash Windows, we specialise in providing timber sash windows that are not only beautifully crafted but also built to last. As one of the most popular products in our timber collection, our timber sash windows combine heritage charm, energy efficiency, and sustainability. Whether you are looking for timber box sash windows or require timber sash window repairs, our team of experts is here to support you at every step of the way.

  • High-Quality Materials: Our windows are crafted using Accoya wood & Engineered Timbers, known for its exceptional durability and anti-rot properties, ensuring your windows will stand the test of time.
  • Tailored Solutions: Whether you prefer the modern efficiency of spiral balance windows or the classic elegance of sash cord and weights, we offer solutions to fit your specific needs.
  • Preserving Tradition with Modern Technology: We combine traditional aesthetics with the latest advances in window technology to provide the best of both worlds. Our sash windows are not only beautiful but also secure, energy-efficient, and built to last.
  • Expert Installation and Service: With years of experience in sash window installations across London, we provide a professional and efficient service, ensuring your new windows meet the highest standards.

If you are looking for timber sash windows that combine historic charm with modern performance, get in touch with us today. We’ll be happy to discuss your project and provide a bespoke solution tailored to your needs.

Why Choose SJB Sash Windows?

Let’s Chat About Your Requirements

Get in touch today with one of our friendly team members for free expert advice & guidance on your requirements.

Window Styles & Colours

Styles Of Sash Window

There are many styles of sash windows, we are able to create the variant that suits your property.

Best Sash Window Styles & Types
Single Colour Options
Dual Colour Options

We can also paint your new wooden sash windows and door two-tone,
one colour outside, and a different colour inside.

What Are Sash Windows?

Sash windows were, traditionally, single-pane systems. These windows work, traditionally, by sliding one sash over another to open and close. Sash window systems are evident in many traditional and classic buildings; however, it is a style that has translated well into the modern age.

However, one of the significant differences nowadays is that sash windows use more than one sheet of glass. It is common for you to see double-glazed windows in London and elsewhere. Double and triple glazing are modern window standards we feel all homes can benefit from. While traditional sash used by UK homes in the past may have served a practical use, they may not have offered the most comfort and warmth.

Therefore, as a leading specialist in London, we blend the best of the old and the new. We take traditional sash window design’s simple, space-saving practicality and introduce modern comforts and standards. This way, homes can benefit from the stunning, customisable looks of a sash window while getting all the warmth and comfort benefits of the modern era. Our window innovations lead the way in terms of flexible, practical design. Let’s take a closer look at some of our available options.

Two Systems for Sash Window Operation

We offer two traditional methods for operating timber sash windows, ensuring that you can select the best option for your building’s requirements while preserving its historic integrity:

  1. Spiral Balance System
    The spiral balance system is a modern alternative to the traditional sash cord and weights system, often used in new buildings or where there isn’t enough space to fit large boxes that house sash weights.
    • Space-efficient: Ideal for buildings where space constraints make the traditional cord and weight system impractical.
    • Economical: The spiral balance system was introduced in the 1980s as a more affordable, yet still highly functional, solution.
    • Operation: The sashes are fixed to a spring tension spiral, operating on friction for smooth and efficient movement. Despite its modern mechanics, the spiral balance system retains the traditional charm and character of a classic timber sash window.
  1. Sash Cord and Weights System
    The sash cord and weights system is the classic design, featuring traditional pulley wheels and steel or lead weights to help the sashes open and close smoothly.

    • Traditional Appeal: This system remains a popular choice for period properties, preserving the original aesthetic and operation of historic buildings.
    • Smooth Operation: The system uses nylon cords on self-lubricating ball-bearing pulley wheels to ensure effortless sliding of the top and bottom sashes.
    • Classic Look: This method is particularly suited to stone or brick new-built mansions and prestigious refurbishments, where maintaining the period charm is essential.

Projects we have completed

We’ve mastered our craft over many years of manufacturing & installing a wide range of
Sash, Casement, and Doors into a wide variety of homes.

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Doors Installed
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Years Of Experience

Bespoke Timber Sash Windows – Tailored to Your Exact Needs

One of the key benefits of choosing bespoke timber sash windows from SJB Sash Windows is that we don’t believe in a one-size-fits-all approach. Each window is designed and fitted to your home’s exact standards, giving you the flexibility to choose the perfect style, finish, and features for your project. From traditional timber box sash windows to modern variations, we can create a solution that meets both your aesthetic preferences and functional requirements.

Why Choose Timber Box Sash Windows?

  • Heritage & Character: Timber box sash windows have been a staple in British homes for centuries, and they remain highly sought after for their classic charm and architectural significance. If you own a period property or simply love the aesthetic of a traditional sash window, our bespoke timber box sash windows will maintain the historical integrity of your home.
  • Energy Efficiency: Our timber sash windows are designed with modern performance in mind. With draught-proofing and insulation enhancements, these windows help to maintain comfortable indoor temperatures and reduce energy consumption. Whether you’re renovating a heritage property or constructing a new home, our windows can be tailored to meet your energy-saving needs.

Sustainability: At SJB Sash Windows, we are committed to using sustainably sourced materials, like Accoya wood and other high-quality timbers. These eco-friendly materials not only enhance the aesthetic of your windows but also offer long-lasting durability and resilience against the elements, ensuring your windows stand the test of time.

  • Timeless Elegance: Sash windows have been synonymous with British architectural beauty for generations. Their graceful proportions, classic design, and ability to open and close with ease make them a desirable choice for homeowners.
  • Enhancing Property Value: Installing timber sash windows is a fantastic way to add value to your property. Their visual appeal, combined with the added benefits of improved energy efficiency, can increase both the marketability and value of your home.

Custom Solutions for Any Home: Whether you are renovating a period property in London or building a modern home that incorporates traditional window styles, we provide tailored solutions to match your specific needs.

Why People Choose Timber Sash Windows

Need Help Choosing the Right Timber Sash Window?

Choosing the right style, materials, and finish can sometimes be a difficult decision. If you are unsure about what you need or have any questions regarding the build, design, or options available, don’t hesitate to get in touch with us. Our expert team is always available to offer guidance, advice, and bespoke recommendations that will help you make an informed choice for your home.

Get a Quote Now

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Get in Touch Today!

Call us at 020 8296 9487 or email info@sjbsashwindows.co.uk for advice, quotes, or to discuss your specific requirements. Our team is here to help you with your timber sash window needs, ensuring you receive the perfect solution for your home, whether for a new installation or window repair.

We look forward to working with you on your next project!

Timber Sash Windows For Sale

What Are Average Timber Sash Windows Prices?

Ultimately, the price of a timber sash window installation is going to vary from application to application. That’s because there are several variables which go into a project. You may not choose from standard sizes, for example, which may mean extra work and support needed in fabrication and fitting. However, that doesn’t mean you won’t be able to access a high-value tariff.

We don’t publish all our tariffs and rates online simply because bespoke project pricing can vary. We want to make sure that our customers have access to a flexible, bespoke pricing system that they can depend on when it comes to setting up their project. When you first approach SJB Sash about new timber sash windows in London, we will offer you a quote that’s easy to understand and which is broken down.

What’s more, we want to make sure that you are only ever charged for the services you use, and those you benefit from. We see little point in adding on fees or labour costs along the way. Therefore, applying for a free quote from SJB will grant you a reliable, fixed-rate which you can depend on throughout the project. If you are concerned about timber sash window cost, don’t be. We work with competitive rates and pricing to ensure you get fantastic value, regardless of what you need.

Top Quality Timber Sash Expert

Practicality And Precision

Choosing SJB to for installation will benefit your budget as well as your project timelines.  As leading experts in the design and installation of bespoke timber sash windows, you can rely on us to deliver an end product which is perfectly in-line with your wishes.  What’s more, we will always deliver project support and labour within timescales that are convenient for you. We aim to provide an efficient, precise service. Just because we work efficiently, doesn’t mean the work we do is hurried or rushed.  Far from it. We want to make sure the windows you buy from us will weather years to come.

Timber sash installations offer incredible practicality and convenience. Sash window systems are already straightforward to operate and maintain. Timber systems are amongst the most resilient on the market, which means you will be purchasing windows which are easy to use and which will stand the test of time.  Bespoke timber sash windows, too, can be tailored and fitted to your exact desires. There will be no more worry over whether or not a window solution will suit your property – as we’ll make sure of it before we even start installing.

Specialist Timber Window Company

No matter where you may have compared timber sash window cost elsewhere, it’s crucial you find a leading local specialist to help you through the whole process. After all, windows are something you should be able to rely on for years to come. Why settle for anything less than the best care and guidance?

We always advise you to be careful if you have been looking at ‘cheap’ windows elsewhere. With some firms and services, a cheap service can mean that quality in care and product delivery are compromised for price. At SJB, we offer a balance. We support affordable, cost-effective solutions which are competitively priced. We never compromise the quality of our products or service for the sake of lowering cost. Instead, we dedicate ourselves to providing genuine value in everything we do.

If you’d like to know more about setting up timber sash windows for your home, call or email us today.