Georgian Windows

Wooden Georgian Windows

Typical UK streets highlight the arrangement of Georgian windows in facades, their glazing design and detailing, and their opening configuration – sash or casement. These traditional timber windows are a great contribution to our national architecture. This is especially true of London, where most traditional street architecture and vernacular buildings depend upon basic classical rules of proportion and detailing.

Also, when knowing the historic development of window design and technology, and the impact of architecture, it is possible to see the charms of window heritage. All building structures are planned according to a number of elements – such as the environment, functionality, economics, trends or others – and this also applies to windows. Until the early 1900’s, most Georgian buildings were designed by the laws of classical proportion, adopting the features of the Renaissance movement across Europe.

Symmetrically arranged windows, centrally positioned hardwood entrance doors, French doors with glazing bars, vertical emphasis to rectangular window opens, and elegantly detailed window glazing that reflected the dimensions of the building. Terraced Georgian properties regularly have the door to one side. All of this formed a memorable coherent ‘national architecture’ that lasted until late 1950’s when modernist fashion strongly took hold and changed the viewpoint about how buildings should look.

Key Georgian Window Design Characteristics

  1. Classic Proportions: Typically, Georgian windows adhere to classical proportions of 1:1.6. i.e the height of the window 1.6 times its width.
  2. Large Sizes: The large sizes were used to maximise light and also to minimise the window tax in the UK at the time. The height varied between the floors, often getting smaller nearer to the roof.
  3. Glazing Bar Pattern: Georgian windows feature 6 over 6 glazing bar designs with single glass panes in each section. This is by no means a fixed rule as some windows can feature 15 and even 18 panels at times. These days, a single sheet of glass is used with simulated glazing bars (aka astragal bars) to maximise energy efficiency and give the illusion of multiple panes.
  4. Slim Profile: Maintaining a slim profile is crucial for maintaining balance and symmetry throughout the facade. A defining characteristic of Georgian homes is symmetry.

State Of The Art Modern Performance Features

All Marvin Georgian styled windows and doors are built with traditional aesthetics and modern performance in mind.

  • Energy Efficiency: Double glazed windows offer superior thermal performance compared with single glazed. Marvin Architectural offers both double or triple glazing for windows and doors.
  • Airtight Sealing System: Advanced triple sealing is utilised around the sash and frame to prevent unwanted cold drafts.
  • Traditional Profiles: Choose either ovolo, lambs tongue, concave or putty line profiles for your windows and doors.
  • Glazing Bar Sizes: 18mm or 22mm Georgian bars sizes are available as standard. Custom sizes are also an option with Marvin Architectural.
  • Multi-Layered Timber Options: Three layers of either softwood or hardwood timber are laminated together to provide greater structure, durability and preventing warping.
  • Factory-Applied Teknos Paint: Multiple layers of teknos paint is applied to both the exterior and interior of the windows with over 250 RAL colour options.
  • Alternative Low Maintenance Aluminium Clad Wood: Marvin next-generation sliding sash windows are an alternative to traditional wooden windows with a low maintenance aluminium cladding exterior and stunning detailed wooden interior can replicate authentic Georgian window styles. Learn more.
  • 10/20 Year Warranty: The Marvin Architectural 10/20 year warranty provides you with peace of mind for your new replacement window investment.

Refinement of Style

During the eighteenth century, Georgian sliding sash window design progressed in refinement as attempts tried to improve the capture of natural light coming into the rooms by minimising the amount of timber to glass, hence enhancing the field of view to the outside. As a result, the elements of the sash profile, the meeting rails, stiles and glazing bars turned into slimmer and more delicate frames.

As a definition of classical design, windows were thought to be seen as voids within even facades, producing reduced glazing bars and other components intended to be virtually invisible with the use of a dark paint colour. Georgian window designs became longer, extending almost to floor level in most influential public rooms. Small square glass panes were replaced by rectangular panes that followed the proportions of the window as a whole.

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