From ‘fittings’ to ‘furniture’ and everything in between, here are some popular technical images for London window installation …


Our sash windows are traditionally made in UK with the same construction methods used for generations. Our objective is to provide a window that is authentic but with the comforts of modern living standards.


Sash windows are designed to ventilate.

Window Furniture

A selection of window furniture for single and double glazed sash windows.

Sash Window Locks

Sash windows locks are typically a requirement for household insurance policies.

Window Furniture Finishes

A choice of Brass, Chrome, Satin Chrome or Satin Nickel


We offer a range of traditional mouldings.


Matching original dimensions of traditional sash windows.


We offer a range of glass for all our sash windows.  Double glazed sash windows are our standard but we are also offer triple glazed sash windows for further thermal insulation, slim double glazing for conservation area sash windows and traditional single glazing for listed buildings sash windows.

Double Glazing

Double glazing for sash windows explained

Toughened Safety Glass

Improve security and safety of sash windows with toughened glass.

Laminated Glass

Laminated glass offers a number of benefits over standard glass.

Technical Drawings

Replacement sash window and workings

Sash Horns, window furniture and mouldings

Standard sash window

Glazing bars

Sash horns

Casement window

Book a FREE Survey & Quote with
London’s #1 Sash Window Specialist.

Give us a call now on
020 8017 1632

Download Our FREE Brochure

No email required
  • Browse dozens of case studies at your leisure
  • Be inspired with our range of stunning, authentic sash windows
  • Discover why The London Sash Window Company is London’s #1 sash window specialist