Sash Window installation by the London Experts, Sash Carpentry  

Sash window installation, replacement or upgrade is an art within itself. At Sash Carpentry we specialize in the traditional techniques used for generations by expert craftsmen for sash window installation. If you are ready to have your sash window replaced, give us a call at 07522 982005 or email and let one of our experienced craftsmen provide you with a no obligation quote on your sash window replacement. Don’t go with any ordinary carpenter. Trust the experts.

Whether you are in Totteridge or Whetstone, Barnet or Islington, Sash Carpentry offers reliable expert care with your sash window restoration. We also service Finchley, Camden and Totteridge. As well as Belsize Park , Primrose Hill and Highbury.

Sash Window Upgrades To New Double Glazed Replacements  

Sash Carpentry's new sash window replacements offer a wide range of services to suit all of our customer needs. We specialize in new sash window installation and take great pride in our work to make sure every sash window we install is done with skill and precision. If your original sash windows are beyond repair or you simply would like to have double glazing, here are some options to consider.

Option - 1

New, like for like single glazed sash or casement windows fitted into the existing frame and draught proofed. (listed buildings)

Option - 2

Complete new box sash or casement frame replacement like for like to match existing single glazed. Complete with nosing, architrave and exterior making good. (Listed buildings)

Option - 3

New double glazed sashes or casements into the existing frame. Standard double glazed units or slimlite units.

Option- 4

Complete new double glazed box sash or casement replacement. Complete with nosing, architrave and exterior making good.


Many glass option to consider such as acoustic glass for sound reduction, please contact us to discuss further.


Sash Window Double Glazing Benefits

Our sash window double glazing sashes will not change the overall look of the property. In fact the new sashes will be made like for like matching existing mouldings, glazing bars, and horn details.

  • Increasing value to the property

  • Reduced heating energy bills

  • Draught proofed

  • Easy to operate

  • Safer

We offer a 10 year Homepro insurance backed guarantee on all double glazing. To find out more give us a call at 07522 982005 or email Find out more



  • Sash Windows

  • Casement windows

  • Double glazing

  • Single glazing

  • Doors

For a no obligation quote

CALL 07522 982005

Contact us today to get a no obligation, free quote.