Derwent Sash Windows portfolio of our most recent projects

We are open! Originating almost years ago sliding sash windows have a rich history having spanned various eras including the Victorian and Georgian eras and have seen many design developments over the years. One of which being the inclusion of a sash horn; dating back to the mid-Victorian period sliding sash horns were a little piece of intelligent Victorian engineering designed to make the joints stronger. Taking on various shapes and sizes over the years, these horns, often intricate, are used today as purely a decorative element and, despite their size, can make all the difference to the overall look of the window. In order to preserve this rich heritage, we are pleased to introduce a new range of decorative horns designs. By faithfully reproducing designs from various eras, we have designed a collection of horns which will allow you the flexibility and choice to replicate existing designs and maintain the integrity and charm of your home renovation. Whilst discreet, they can often hold a wealth of information and history and a little bit of nostalgia goes a long way in creating a beautiful and authentic look. Named after historic castles dating from the 11 th to 17 th century, this collection of six new horns named Aydon, Belsay, Camber, Dalton, Elsdon, Farnham are available on our timber spiral balance windows and timber cords and weights windows across both the Traditional and Heritage range.

How Sash Windows Evolved

UPVC sliding sash windows are a fantastic alternative to old and worn sash windows. These replacement sash windows provide the perfect solution for old, leaky, draught prone windows. We have a choice of glass options including decorative glass such as astragal and Georgian bars which will complement your sash windows perfectly.

Dating back to the 17th century and remaining very popular for more than two centuries, sash windows hold an important position in British.

The Georgian period was extremely long. It began in and ended in , with the beginning of the Regency period. This means there are many stylistic differences in the period itself:. All these styles are characterized in all instances by elegance, proportion and symmetry. Georgian sash windows from the Georgian era usually have the classical arrangement of three panes across by two up on each of two sashes, giving six over six panel Georgian Style Sash Windows.

The upper and lower sashes slide vertically in separate grooves, counterbalanced by lead weights on cords. Later, as the Georgian sash window manufacturing progressed, the weights have been replaced by springs. This is because the sun will dry the soap on the glass and leave water streaks on your sash windows. To avoid this problem, better choose a cloudy day.

Your Local Lambeth Sash Windows Specialist

Sash windows are a design classic. They’ve been around since the 17th century and they’ve changed very little since their earliest days. The two glazed sashes, which slide vertically in a timber frame, are supported by cords that are balanced with metal weights.

What’s more, the main perks of investing in Abbey’s sash windows is to utilise our accredited double glazing. Out-dated sash windows will often only come with.

Explore our range of traditional sash windows here at Abbey Windows. Sliding sash windows from Abbey are a brilliant way to add a more traditional feel to any home in the Twyford area. Built with a more classic feel but with all the perks and benefits of a modern window, they are the perfect addition to any home renovation project. The sash windows here at Abbey are becoming increasingly more popular. Filled with incredibly robust yet discrete security systems, they are the perfect window when making home improvements to a more classic property.

Our sash windows are made from the best uPVC on the market and are supplied by Liniar. Out-dated sash windows will often only come with single glazing, resulting in you losing a good portion of heat due to their poor thermal efficiency. When you invest in our modern sash windows, you are investing in a window which will keep the frosty Twyford winters at bay, keeping you toasty. When looking to make renovations to your home in Twyford, you should look no further than Abbey.

We bring over three decades of experience to all our work, with highly-qualified installers and only the best uPVC products on the market. As a company, we have been listed as Which? Trusted Traders. This accreditation means that when you come to Abbey, you will be receiving a brilliant service with an equally high quality final product.

Traditional Elegance In The Modern Home

Windows are known as the eyes of a house for a reason; they play a crucial role in defining the style and character of a property. Sliding sash windows are one of the most recognisable traditional window styles. Sash windows evolved over time, with variations in style across different historic periods. And if you want the classic aesthetics without the maintenance, uPVC replica windows are the perfect choice.

Sash Window Information. Fully treated Timber Sash windows can provide s for up to 35 years, 10 years longer than PVC windows. Unlike PVC windows.

Yes, you certainly can have timber double glazed sash windows. Modern sashes are able to accommodate thicker double glazing, making windows thermally efficient and offering greater soundproofing. Double glazing is the perfect way to bring beautiful, traditional sash windows up to date, without losing their charm. For many people, the mention of sash windows conjures up the image of a rickety, wobbly, ill-fitting Victorian window that lets in constant draughts.

Modern wooden sash windows and double glazing can transform your home and way of life, allowing you to enjoy a warmer, more comfortable, draught-proof home. Many of our customers have questions about timber double glazed sash windows and want to know more about the process and the possibilities. To help give you a good starting point, we have put together some answers to the questions we are most frequently asked about sash windows and double glazing.

It is simply glazing that is made up of two panes of glass fitted into the same unit. The panes will have gas between them, usually argon. This helps to keep warm air in and cold air out.

Preserving our History: Introducing our Collection of Sliding Sash Horns

Sliding sash windows are made up of two glazed frames or sashes , which slide vertically or horizontally to open. They date back to the s and were particularly popular in the Georgian and Victorian eras. Sash horns are downward protrusions from the base of the upper sash, fixed to either end of the horizontal centre bar of the frame.

English Heritage has released the findings of a study into the thermal performance of traditional sash windows using a 2 x 2 timber sliding sash window dating.

Sash windows became popular after the Great Fire of London in Many great designs of architecture featured sash windows and over the years the styles and functionality of the windows themselves have changed greatly but at the core of its design still remains the basic sliding action of opening and closing a window. Today added features alongside the sliding action can make modern living even easier and much more practical.

Offering a sophisticated design feature to any home, sash windows offer a timeless elegance and style that works well on both period properties and modern. If you own a period property with original features including the traditional windows and doors you may be all too familiar with the dated functions and mechanisms your windows and doors have. Traditional sash windows have a list of problems and are known for being high maintenance.

What if you could upgrade to new sash windows but still retain the traditional look?

What is a sash horn?

For both the box sash and the spiral balance sliding sash windows, a number of period-matching design details can be incorporated. In the past it was not possible to achieve good energy-efficiency without having over-thick glazing bars. Within the glass sandwich of the glazing unit there is a grid of spacer bars that exactly matches the glazing bars applied to the surface.

The effect is indistinguishable from individually-glazed panes and allows our members to make sliding sash windows with authentic slim, period profiles with A energy ratings or U-values as low as 1.

The history of the sash window dates back to the 16th century where surviving examples at Ham House can still be seen.

The true origin of the sash window is something that is still open to debate but various theories have been put forward. Generally, it was thought that they were invented in Holland in the late 17th Century, but more recently it has been suggested that they could have been invented earlier in the 17th Century in England, most likely in Yorkshire.

What is clear is that sash windows were used in some of the finest houses of England with examples including Chatsworth House, Kensington Palace and Hampton Court Palace. Sir Christopher Wren adopted their use which helped to establish them as fashionable status symbol across Britain. This spread to use in Colonial lands as the British Empire exported the style.

The simplicity and advantages offered, such as providing good ventilation whilst reducing the chance of rain entering, meant that the popularity spread and was adapted for use in a range of buildings from small cottages to large palaces. The Georgian period saw the sash window design change from a single moving sash with a fixed top, to the more familiar system of two moveable sashes. The most common material used was Oak for the frames with thick glazing bars to hold small crown glass panes.

With the improvement in glass manufacturing, larger panes started to appear leading to the classic Georgian design consisting of six over six panes with narrow glazing bars. Victorian buildings used box sash windows as the focus for their buildings to such an extent that the rest of the building was designed around them.

Your Local Staffordshire Sash Windows Specialist

Fully treated Timber Sash windows can provide s for up to 35 years, 10 years longer than PVC windows. Unlike PVC windows, timber sash windows can be easily repaired and maintained. If made by the newest s, like double or triple glazing, timber sash windows will stand up greatly against the elements. Overall, if you calculate all the benefits of timber sash windows like the lifespan, durability, maintenance, energy efficiency and all the other additional s that timber sash windows provides, you will come to the conclusion that the costs of PVC and timber sash windows are almost the same.

Entry is a focal point of a house. And the front door is the edwardians thing we see when we arrive and the interior thing we touch when we leave.

Box Sash – this sliding sash window uses cords, weights and pulleys to counter balance the sashes in the traditional way. Spiral Balance – instead of a weights.

Nevertheless, whoever it was that came up with the idea in the first place has left a lasting legacy in the form of these striking and elegant windows. The type of sash window people tend to visualise is the classic Georgian design of six over six, where each section of the window is three panes of glass wide by two panes deep. However, there are no restrictions as to how many panes there should be or how they are arranged.

The only requirement of a sash window is that it should open vertically rather than horizontally as casement windows do. This offers several advantages, including being able to have the window open without directing so much wind and rain into the room, and of course, they have a timeless, elegant appearance that appealed to wealthier citizens. There are several methods by which you can move the opening window section, and one of the oldest is the use of holes with wooden pegs at regular intervals that the weight of the window could rest on.

This then developed into the use of pulleys and weights, known as the counterbalanced sash. The use of sash windows was predominant in the Georgian and Victorian eras, and designs changed over this period to reflect technological developments. For example, the older Georgian windows had small panes of glass with large glazing bars, due to the limited quality of glass production and the glass having insufficient strength at that time. The Victorians were able to manufacture far higher quality glass, which meant they could use larger panes and slim down the size of the glazing bars.

Sash Window Information

A highly effective alternative to traditional timber sash windows. Description: This beautiful property in Belper, Derbyshire was fitted with the latest bygone collection wood effect UPVC sash windows featuring the super slim meeting rail. The original box sash timber windows with cords and weights had become rotten and the decision was made to replace them with brand new sash windows. Internally the sash windows were finished with a decorative period architrave.

Description: Few projects challenge the Derwent Sash Windows team as much as this complete sash window bay rebuild in West Bridgford.

One of which being the inclusion of a sash horn; dating back to the mid-Victorian period sliding sash horns were a little piece of intelligent.

We are a dedicated, supply only, manufacturer of bespoke, traditional timber sash windows, casement windows and external doors. Our customers include sash window companies, restoration contractors, general builders, architects and DIY projects. If you require a complete installed service, please see our installation partners page. We have a comprehensive array of custom designed tooling that we use to replicate the traditional internal mouldings and glazing bars that are found on historic joinery.

Our speciality is discreet double glazing. We use insulating double glazed units that have been specifically designed for use in timber windows. We only use Accoya, which is a sustainable timber product that carries a 50 year manufacturers guarantee. All of our products are fully finished using a spray applied, multi coat, breathable acrylic paint system. Yes they can.

How to Repair Stuck Sash Windows – This Old House


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