Configurations of Sash Windows: Sketches and Frameworks

Call Us Today 07565028004

Welcome to Sash Window Refurbish

Experts in Sash Windows Repair & Restoration, Timber Windows & Timber Doors in east midlands

Why Trust Sash Window Refurbish?

Sash Windows Refurbish specializes in providing repair and restoration services for wooden windows and doors in the UK, as well as various types of carpentry. During the process of fulfilling orders, we utilize a range of tools and paints, including saws, sprays, primers, resins, and adhesives. With more than 20 years of experience in carpentry, we have tested and used various brands and types of work tools, making us well-equipped to offer helpful advice on selecting the right tools and paints for your needs. Read more ...

Historical Sash Enhancements

Staff beads

Staff beads for sash windows are essential components of traditional sash window systems. They are narrow wooden or plastic strips installed vertically along the window frame, holding the bottom sash in place.

These beads prevent rattling and provide a snug fit, enhancing the window’s energy efficiency and security. Properly maintained staff beads are crucial for the smooth operation and longevity of sash windows, ensuring they function effectively and maintain their historical charm.

Parting beads

Parting beads are narrow strips of wood or plastic used in traditional sash windows. They create a gap between the sashes, allowing smooth movement.

Parting beads serve as spacers, maintaining the correct distance between the window sashes. This ensures proper functioning, allowing the window to open and close smoothly.

By preventing friction between the sashes, parting beads enable easy sliding motion. This enhances ventilation and insulation while preserving the window’s historical aesthetic.

Glazing Bar for Divided Lights

A glazing bar for divided lights, also known as a muntin or grille, is a structural element that divides a single glass pane into multiple smaller panes. It provides the appearance of individual glass pieces while maintaining the structural integrity of a single large window.

Glazing bars are often used in traditional and historic architecture to replicate the look of old-style windows while incorporating modern materials and energy-efficiency features. These bars can be made from various materials, including wood, metal, or vinyl, and are essential for creating a classic aesthetic in windows and doors.

Sash Horns / Joggles

Sash Horns are decorative extensions on the vertical sides of a window sash, often found in Victorian and Georgian architectural styles. They serve both aesthetic and structural purposes, enhancing the window’s appearance and providing additional support.

Joggles are recessed or notched areas created at the junction of two wooden pieces. In woodworking, they are used to create seamless joints, enhancing the stability and strength of the connection between two pieces of wood. Joggles are commonly employed in joinery techniques to ensure precise and durable woodworking projects.

Schematic Diagrams for Classic Sash Window Construction

Constructing a Frame for a Sash Window

Georgian Sash

Victorian Sash

Draught-Sealing Techniques for Sash Windows

Early Draught Sealing Solutions

Schematic Diagrams for Classic Casement Window Construction

Wooden Door Traditional Design: Detailed Technical Plans


What are the details of a sash window?

A sash window consists of two movable panels, known as sashes, that slide vertically within the window frame. These panels are typically counterbalanced by weights hidden in the window frame. Sash windows are common in traditional and historical architecture.

What is the depth of a sash window frame?

The depth of a sash window frame varies but is generally around 4 to 6 inches. This depth accommodates the sashes, counterweight systems, and provides stability to the window structure.

What is a frame on a sash window?

The frame on a sash window refers to the wooden, metal, or vinyl structure surrounding the glass panes and supporting the sashes. It provides structural integrity and can be decorated in various styles to match the overall aesthetic of the building.

Does window jamb depth matter?

Yes, window jamb depth matters significantly. It determines how well the window fits into the wall, affects insulation, and impacts the overall energy efficiency of your home. A proper jamb depth ensures a secure fit and prevents issues like drafts and water infiltration.

How do I know my window jamb size?

To find your window jamb size, measure the distance from the interior edge of the window frame to the exterior edge. This measurement helps you choose appropriate window treatments and ensures compatibility when replacing windows or installing additional elements like blinds or shutters.

About the author

Glen Ramsey, who presently holds the positions of customer support and content manager, is a cherished member of the Sash Window Refurbish team. He is in a unique position to provide advice on all questions pertaining to the renovation of historic windows because he has a wealth of experience in all elements of window renovation, dealing with clients regularly and assisting them in choosing the best window-related course of action. He oversees the creation of information for all of our platforms in his capacity as content manager, including web content and other materials. Glen has witnessed the whole gamut of Sash Window Refurbish's window restoration activities, from our work on significant listed Georgian homes to a wide variety of smaller-scale private residential projects.


My technician Andrew replaced all my sash windows that had rotten sills. Accessing the rotten sills was not an easy task. He explained to me what needed to be done in order to fix the problem. He is a great person and I’m happy that he was the one who did the job. He is reliable, tidy, friendly and very professional. I highly recommend him.



I hired Andrew and Alex a while back to repair my damaged sash windows. They were was very considerate and very patient as he did his job. A few days ago, I had another problem with one of my sash lock keys and I called him again to come and fix the problem. I’m very impressed that Liam responded quickly and he not only fixed the problem but he also gave me a spare key. What a great after sales service!

Alan W.


I’m very impressed with the new windows that Andrew installed and also the reconditioning job that he did on other sash windows. The quality of his work is by far more superior than what we got when we hired another company a few years back. We will certainly hire him again if any window work arises

Kelly (Sleaford)


Our decorator referred us to Andrew because some of the work needed a window expert. Andrew together with our decorator did a fantastic job. The work was done efficiently and to the highest standards. Andrew is understanding, committed and very professional. I recommend him without any hesitation.

Steaven Reader


Alex did a great job in fixing windows in our terraced house. The windows were broken, frames damaged and the wood was also rotten. Alex's job was high quality and he did it pretty fast. I was also very impressed that he was considerate of my son’s asthma condition and maintained cleanliness. Top work.



Andrew just recently replaced three sash windows in my Edwardian house. He also repaired and replaced some sills and draught proofed three windows. In addition to that, he also did some carpentry work. What I like the most about Liam is that he did a clean job. He is very professional and always updated me about the timescales and costs. He also did his job with minimal disruptions. I highly recommend him.

Cris M.