22 Oct 2020
tape-measure

Listed building

If you have decided that it is time to replace your old sash windows with beautiful, new, double-glazed versions you maybe wanting to gage a rough idea of how much your new windows will cost.  Many of our customers ask us to provide them with a ballpark figure to begin with so they have an idea of what they need to budget for.  It also allows customers to gain some understanding of the different services we can provide.  In order for us to provide this, we will need some basic window measurements from you.  This blog will guide customers through how to measure a sash window in order for us to provide a rough estimate.

What are the two main components of a sash window?

we cover how to measure a sash window, it is worth reminding ourselves what the main parts of a sash window are, so you know you are measuring the correct parts!   For this particular purpose, you only really need to understand that:

  • The sash, or sashes are the frames that contain the glass. There will usually be two sashes, and they are the parts which move up and down (within the box frame), to open and close the window.
  • The box frame is the window frame that contains the sashes.

How to measure your sash windows for a rough quote

Please provide us with:

1) The sash width.

Measure from one side of the window to the other, within the box frame.  Measure across the top of the bottom sash for a smooth, straight surface.

2) The sash height.

This is the size of the window within the box frame.  Measure from the top of the top sash to the bottom of the bottom sash.

3) Any custom details of the sashes if possible.

Anything extra you can tell us will prove useful.  For example, some window sashes will have additional features which might alter the appearance or improve the functionality in some way.  For example, your windows require glazing bars (placed across the panes of glass to make them look like smaller panes), maybe you would like your windows to have a sill on the inside (or outside) of the window, or maybe you require your windows to have a curved top finish.  Don’t worry if you are unsure of this kind of detail at this initial stage, we can discuss all this with you in more detail if you decide to proceed after our initial quote is given.

I am worried my measurements are not precise enough?

Don’t worry, the measurements you supply us do not need to be completely precise, they will be good enough for us to supply you with an initial rough quote so you can budget accordingly and decide whether you would like to proceed with the process further.  We will of course arrange a visit to you prior to you confirming a quote, in order for us to take detailed measurements, confirm your exact requirements, discuss the works and answer any questions or concerns you may have.

Whether your windows need a complete renewal (complete new box frame and double-glazed sashes) or a sash replacement (new double glazed sashes installed into existing box frames), providing us with some basic measurements will enable us to send you an initial quote so you can plan accordingly.  If you have made the decision to invest in new sash windows, email us at info@sashwindows.london with the measurements outlined in this blog and we will email you back with a rough quote asap.  Now, the only thing left for you to do is locate that tape measure!