Sash Windows Installation In London

Sash Windows Specialists in London

Sash windows are among the oldest types of window designs, as well as being among the few remaining traditional methods to operate modern homes. The name “sash window” originally indicated any glazed window in which a sash, or sliding panel of glass, sat inside a frame without movement. However, in most cases these days, the name is confined to mean only those windows that are vertically divided into different panes and slide open and closed independently of each other.

Sash windows can be found in a wide variety of different styles and sizes, allowing you to find one that fits your character perfectly. If you are looking for a trusted glazing company in London for sash windows installation, then our efficient and trustworthy sash windows professionals at Ace Glazing London will ensure that you get the best sash windows for your home and that they are fitted to the highest standard possible. We’re experts at what we do and we take pride in our workmanship. When you choose us, you’ll be dealing with a company that’s been established for over 10 years.

We’re fully insured and use only the best materials available on the market so that your home or office is effectively protected from all elements. Request a free, no-obligation quote for sash window installation today. Call 020 452 51670 to get started.

What are the benefits of sash windows?

Sash windows are traditional. And much more besides, there’s a multitude of benefits from the historical craftsmanship and innovation to the lasting beauty and energy efficiency of sash windows. Here are a few.

Sash windows have traditional charm

Traditional, double-glazed sash windows bring elegance and style to any home. Treat your home to a touch of old-fashioned British charm. Enhance your home’s traditional appeal with sash window installation. The versatility of this classic style allows you to create a unique look that perfectly complements your interior design, all at the same price as uPVC replacement windows.

Sash windows are energy efficient

Revolutionary sash window technology can drastically reduce your energy bills. Traditional timber windows can use up to 40% of your energy, but our unique sash design can save you up to 50%. That means you could potentially pay off the cost of your new windows in 2 years, and the savings will keep on growing.

Sash windows help with increased window security

Sash windows give you the freedom to let in light while making sure nobody can get in. In fact, for a quick, easy and cost-effective way to improve the security of your windows, we suggest installing sash windows. sash windows come with reinforced frames ready to be fitted with one of a large variety of glazing options, from single glazing, double glazing to completely custom designs. With sashing secured in place, you can now rest at ease knowing that no-one will be able to force entry through your windows.

Sash windows are low maintenance

The sash window does not require much maintenance. In fact, all it requires is the occasional clean and a few basic repairs as needed.

Sash windows will increase the value of your home

As you know, we are in the midst of a property boom and this is no doubt having an impact on the UK housing market. sash windows will increase the value of your home.

If you’re a homeowner who’s thinking of selling your home at some point and would like to increase the value of your home, we recommend that you consider installing sash windows. Make your house feel like a home.

What are the types of sash windows we install?

For sash windows in London, Ace Glazing London can supply and fit all types of sash windows. We take pride in our work, ensuring that the original character of your sash window will be preserved whilst adding value to your property. There are different types of sash window. Here are a few of the most popular:

Georgian sash windows

In the eighteenth and nineteenth centuries, the Georgian window was considered to be the epitome of elegance, design and craftsmanship. As a result of their popularity in these periods, many original examples have been retained. By installing a Georgian sash window, you are part of a historic process that protect and preserve our heritage for future generations to enjoy. Ace Glazing London specialises in the expert installation of high quality, historically accurate Georgian Sash Windows. We’re experts in manufacturing and installing the iconic design, which has remained unchanged for centuries.

Victorian sash windows

Victorian sash is very traditional, and still make up one of the most common styles of window today. Typically, there will be a large gap between the bottom edge of the sash and the frame – this is called the reveal, and it naturally creates space that would allow cold air to enter through the frame. The classic look can be enhanced further by adding ornate crowns or returns to the top and bottom. Ace Glazing’s stunning Victorian timber sash windows are available in a wide range of colours and stained finishes to complement any exterior. Finish your period property with this delightful window style.

Edwardian sash windows

Edwardian sash windows have long been a mainstay in historic homes, but many people are finding that they work well in contemporary settings as well. They can be installed in new builds, and they add historic flair to new or existing homes. They are not for the average house owner, but that does not mean they are not a great way of giving character to a home with any other style of architecture. At Ace Glazing London, our traditional and authentic Edwardian Sash Windows are not only a symbol of an elegant and refined design but also an investment that will pay for itself many times over with the amount of money you’ll be saving on bills.

Box sash windows

A Box Sash Window is a traditional, classic and elegant style of sash window that is highly energy efficient. If you need a quality box sash window installation, we’re the one to call. Ace Glazing London are specialists in installing box sash windows with over 10 years of experience. We’ve worked on commercial projects and all kinds of domestic properties and we can work to your unique requirements.

Sliding sash windows

Sliding sash windows have been the classic choice for windows in the UK for over a hundred years and with good reason. The design may be simple, but it’s hard to beat when it comes to opening up your home to the light.

Ace Glazing London is one of London’s leading sliding sash window company and we have been since 10 years. Our bespoke sliding sash windows, available in a wide range of designs and colours, are built to last.

From our head office in London, we supply and install sliding sash windows across the UK. We offer all our customers an honest, reliable service from experienced professionals. Here at Ace Glazing London, we offer a wide variety of sash window styles and can help you choose the perfect design for your project so your home will enjoy exactly the right look for its period and character. Request a free quote here.

Our quality sash windows frame materials

Historically, sash window frames were made of wood, but we have a lot more choices to choose from today.

Sash uPVC windows

Sash uPVC windows are the best possible combination of design, durability and energy-efficient performance. The precision-made Polyurethane foam core in a Sash uPVC window will not warp or deteriorate over time.

Aluminium frames

Our range of aluminium window frames are designed to make your home more cost-effective, attractive and durable. You can save money on energy, manage light and noise and reduce the need for maintenance over the lifetime of your windows.

Composite sash

Our composite frame is made from recycled glass, quartz, and cellulose fibres. It is light, yet durable, reducing potential sash failure and overall window weight. The composite sash lasts for more than 35 years, retains its structural integrity over time, and can be removed with hand tools. And unlike wood windows with decorative paint or veneers, our unique composite sashes have a clean finish that won’t fade or chip and look as good now as when they were installed.


Wood is the traditional material for sash window frames, and we use high-quality timber from forests that are responsibly managed. It’s a natural material with many benefits; it’s easy to work with, effective in keeping out noise and draughts, and durable enough to last well over a century. All bespoke windows are handcrafted from solid planks of timber which have a beautiful grain pattern. We also laminate the timber so it will stay supple and weather resistant.

Why choose our sash windows installation service

Extensive Colour Options

A feature of our sash windows is that they are entirely bespoke. We can not only make a wide range of styles but also a variety of colours. These colours are available because we have the ability to glass in between the timber which can add brilliance and sparkle to your property.

Our Sash Windows Are Easy to Maintain

Ace Glazing London Sash windows are designed to have efficient operation of the shutters and balanced hinges. Maintenance should only consist of annual cleaning of the sash boxes, which can be accomplished by wiping them out with a damp rag or soft bristle brush and letting them dry. Sweeping the sash windows on the exterior will remove dirt from between interior sashes and also prevent feathers and nests from building up.

10-Year Guarantee

Our sash windows are fitted with the highest quality of material and glazing. This set us apart from other sash window companies. We also offer 10 years guarantee on our sash windows for your peace of mind.

Skills & Expertise

As far as sash windows go, we’re your best bet in the city. As well as staying up to date with the latest methods and products, we know our way around the intricacies of these old beauties. That’s why dozens of homeowners choose us for their sash windows installation all over London.

Competitive Prices

Whether you are a homeowner or a business owner, we offer competitive rates on all sash windows products and installation; our top priority is to ensure that our customers get outstanding service at a great price. We will work with you to make sure that your budget is met without compromising on quality.

Request for a FREE Quote

Contact us today for same-day free quotes.

Quality Materials

Our specialty is Sash Windows and we ensure that we work with only high-quality and durable materials. Using the finest quality materials that are guaranteed to last, we supply and install quality sash windows for our customers all over the city.

We don’t interrupt your routine

Ace Sash Windows London will help you build a solution for your project that suits your needs perfectly. We will ensure that we work as efficiently as possible so that we do not interrupt your daily routine. Ace Sash Windows London provides bespoke services to ensure your installation goes as smoothly as possible, whether your project is a large-scale installation or a single-window replacement. Contact us to discuss your plans on 020 452 51670.

Our Sash Windows Gallery

From our gallery of sash window installations, it’s clear to see what a difference they can make to your home. With unique period features punched through by a glass panel, using traditional timber sash windows or your material of choice, we provide an elegant way to update or add character to your property. Visit our photo gallery to see the projects we have worked on.

Request a FREE Quote

Are you in the market for new sash windows for your London home? You are on the right page. Please complete our quote request form to get a free quote and discover why we are among the leading Sash windows installers in London! Please select your property type and the options you require to take full advantage of our free quote service. You will be redirected to our secure online form where you can easily arrange your FREE Sash windows quote.


What happens on the day of installation, how do you protect my home?
On the day of installation, we will arrive at your home and ensure that the outside of your building remains protected. A few times throughout the day you will see fitters working at height on the outside of your property. This is carefully planned for safety and to limit disruption to you and your family.
What type of timber do you use?
Our sashes are manufactured in the UK using traditional methods. The timber used is British softwood, which has a luxurious feel and offers exceptional value for money.
Do I need planning permission?
Planning permission may be required for sash window replacement. A Conservation Officer or local planning department can help you work out if planning permission will be needed. Please make sure you contact us before you make any decisions, to ensure smooth passages with your projects.
What certifications do you offer?
Our sash windows are all fully certified to BS EN 12207 standards. All wooden parts are now FSC certified, FSC is an internationally accepted mark used to show that a product is made from recycled forests and does not damage or deplete natural resources.
What paint options do I have?
You have several paint options for sash windows. The most traditional is probably white, which is a classic look that works well with most properties, although you can also choose from a range of other colours to match your brickwork or exterior.
How Much Does It Cost to Install a Sash Window?
We don’t all know immediately how much the job will cost. This depends on various factors such as:

  • Your chosen style of sash window.
  • The size of your window, i.e., width x height
  • The age of the building.
  • Whether you’re planning to keep the original sashes or perhaps make some changes and replace them with new sashes.

To get an idea of what this will cost you, please request a quote.

Can Sash Windows be Double Glazed?
As a leading manufacturer of double-glazed wooden sash windows in the UK, we can confirm that any sash window can be double glazed. Please note, however, that it is not possible to double glaze wooden frames.
How Long Do You Take to Install Sash Windows?
The exact time taken to install a sash window depends on the size, type, and complexity of the job. However, you can expect to find that a modern-day sash window installation will take no more than two days. With traditional sash windows, most of the introductory carpentry work is completed before it arrives at your property – The basic structure is already in place. Our good team will be able to have a sash window fitted within 3 days.
Can you just replace window sash?
Yes, we can replace a window sash with your existing window frame. We can add new sashes to your frame at competitive prices. With our range of products, we can replace the glass in your sash windows, too!
How long do sash windows last?
Sash Windows can last decades but you have to make sure that you take care of them. You should maintain and repair any small faults. If any major issues arise, they will only be rectified by the installation of replacement sash windows.

We Are Also Available to Offer Sash Windows Related Advice Where Needed

Request for a FREE Quote