Doors and windows are integral parts of the physical house( not of a  home though) that can create a statement.Afterall, its only the doors, windows and the painted walls of a house you can see from a distance. For the very same reason, we all spend considerable time in selecting the doors and windows while constructing our dream house


Whether you’re building a new house or renovating your current home, one of your biggest questions is where to put new windows. Windows are arguably the most important feature of your home, bringing in natural light and giving you a view of the outdoors.

But how many windows do you need, and where should they go? Let’s answer these questions by examining each room of the house.

Course Highlights:

  • 1 HINGES
  • 2 BOLTS
  • 3 LOCKS

Technical Feature

Technical Feature

The window is a framework of timber, steel, glass or combination of these materials. It provides light and ventilation to the interior of the building.

Size of doors and window 

Height of door is approximately taken equal to width of door plus 1.2 m. In India, door height of 2 m is considered most suitable. Minimum height of door is 1.8 m. 

Width of door is approximately taken equal to 0.4 to 0.6 times of height of door. Width of door generally varies from 0.8 m to 1.2 m. The maximum width of door is generally taken 3 m.

Height of window is generally kept 1.1 m to 1.2 m. Width of the window is generally kept 0.9 m to 2 m.

Locations of door and window

  • Door and window should be away from the corner.
  • Door and window should not be exactly in centre because of privacy problem
  • In general door and window area should have a 10% to 20% of wall area
  • Location choose by proper circulation way.

Following 16 technical terms used are described below

1) Frame

A door frame consists of two vertical members called jambs and a horizontal member called head provided at the top. A window frame consists of two of more vertical member called jambs and two horizontal members provided at top and bottom. The top horizontal member is called head and the bottom horizontal member is called sill.

2) Hold fast 

It is generally made from mild steel. Hold fasts are provided on each sides f the door and window frame. They keep the frame in position.

3) Horn

This is a horizontal projection of head or sill beyond the face of the frame. They keep the frame in position.

4) Rebate 

The depression made inside the frame to receive the shutter is called Rebate.

5) Transom

It is the horizontal member used to divide a window frame. 

6) Shutter

The entire assembly of styles, panels, and rails is known as shutter. Shutters are provided inside the door or window frame.

7) Style 

Outside vertical members of a shutter are known as styles. 

8) Top rail

The topmost horizontal member of the shutter is known as top rail. 

9) Bottom rail 

The lower most horizontal member of a shutter is known as bottom rail. 

10) Lock rail 

This is the middle horizontal member of a shutter where locking arrangement is provided. 

11) Frieze rail

The rail which is provided between the top rail and lock rail is called frieze rail. 

12) Mullion or Munting

The vertical member running through a shutter and sub-dividing the shutter vertically is called mullion.

13) Panel

The area enclosed between the vertical styles and horizontal rails is known as panel.

14) Sash or glazing bar

It is a special type of frame made of light section and designed to carry glass fitted in a shutter.

15) Louver 

It is an inclined piece timber fixed within a frame. Louvers are provided in window where vision is required to be prevented without affecting the ventilation system. 

16) Putty 

It is a mixture of whiting chalk and linseed oil. is used for fixing the glass panels.  

The common types of doors used in buildings are as follows:

1) Battened and ledged doors. 
2) Battened, ledged and braced doors. 
3) Battened, ledged and framed doors. 
4) Battened, framed and braced doors. 
5) Framed and panelled doors. 
6) Glazed or sash doors. 
7) Sliding doors. 
8) Flush doors.
9) Collapsible doors. 
10) Revolving doors. 
11) Swing doors. 
12) Rolling steel doors. 
13) Louvered doors.

Standard casement window sizes

Casement windows are the most popular style of window for UK homeowners. However, as properties vary so widely in terms of design and age, the industry does not specify a standard size for them. But in spite of this, those who manufacture ready-made windows offer them in a range of set sizes. We’ve listed some common standard sizes for single casement windows in various

Inches (in)

Foot (ft)

Centimetres (cm)

25in by 35in

2.08ft by 2.92ft

63.5cm by 89cm

29in by 47in

2.42ft by 3.92ft

73.66cm by 119.4cm

29in by 59in

2.42ft by 4.92ft

73.66cm by 149.86cm

Tilt & turn window sizes

Tilt and turn windows are a practical window solution for any blocks of flats and other locations that are above a storey in height. Typically, a single tilt and turn window comes in a minimum size of 60cm (23.6in) by 50cm (19.7in), and a maximum size of 190cm (74.8in) by 130cm (51.2in).

However, double tilt and turn windows come in a minimum size of 60cm (23.6in) by 120cm (47.2in), and a maximum size of 170cm (66.9in) by 240cm (94.5in). For a triple variant with 2 outer opening panes, they come in a minimum size of 60cm (23.6in) by 160cm (62.3in) and a maximum size of 190cm (74.8in) by 300cm (118.1in).

When considering the size that you require for your home, it’s important to consider that, once the opening section becomes wider than the height, that is how wide you can go. Otherwise, you’ll be placing too much strain on the hinges or there might not be enough room to open them internally.

Standard sash window sizes

Sliding sash windows are a classic style of window, perfect for embellishing period properties. During the Victorian and Edwardian periods, the standard width for them was approximately 4 feet (1.2m). As most of the UK properties with sash windows were built during this time, this figure is about as close to a standard size as you can get. However, they are also available in other standard widths, which are as follows:

  • 36 inches (91.44cm)
  • 48 inches (121.9cm)
  • 60 inches (152.4cm)
  • 72 inches (182.9cm)
  • 84 inches (213.4cm)

Sash windows also come in a number of standard heights, which we’ve listed below:

  • 24 inches (60.96cm)
  • 36 inches (91.44cm)
  • 48 inches (121.9cm)
  • 60 inches (152.4cm)

Like other types of windows, they can also be uniquely made to measure. This is worth bearing in mind because their size was more varied prior to and during the Georgian era. So, if you’re replacing sash windows on these types of property, they might need to be specially made. Standard and made-to-measure sash windows are, however, available from us here at Everest.

Standard bay window sizes

Bay windows are an excellent way to create a stylish focal point at the front of your property whilst flooding a room with light. Because they protrude out from the wall, they can also provide additional space for seating or storage.

They come in standard widths beginning at 3 foot 6 inches (101.6cm) and going as wide as 10 foot 6 inches (320cm). Height wise, they range from 3 foot (91.44cm) to 6 foot 6 inches tall (198.12cm).

Standard window sizes by room

Generally, rooms in the home will have windows  of  different sizes because the light and ventilation requirements are not the same in every room. Plus, you might have smaller windows in a bathroom, for example, to maintain privacy levels. We’ve covered the standard window sizes for the main rooms in the home, to give you an idea of what you should look out for.

Bathroom windows

As previously mentioned, your bathroom windows will most likely be smaller than those which are fitted within your kitchen, living room or bedroom. The standard size for them will also depend on which type of window they are (casement, sliding sash, etc.). We advise you check the standard window sizes above and how to work out which size you window you need to determine if there’s a standard size window that is suitable for use in your bathroom.

Living room windows

Living rooms tend to have the largest windows in the home. As the lounge is one of the most frequently used rooms and often the focal point of the property, it’s important for the windows to look good and allow in plenty of light. Sliding sash, bay and casement windows are commonly used for living rooms, so the respective standard sizes for these window types should help you find suitable replacements.

Kitchen windows

The height of windows in a kitchen will differ depending on where they are located. For example, windows located above the sink are calculated by considering the height of your kitchen cabinets and the thickness of the countertop, whilst any windows that are fitted above a backsplash will need to take the height of the backsplash into account.

Bedroom windows

This will depend on the age and style of your home. In the past 20 years, for example, larger bedroom windows have increased in popularity. However, many older properties would have used standard sizes for bedroom windows, which we’ve listed below:

  • 24 inch by 36 inch (61cm by 91.44cm)
  • 24 inch by 46 inch (61cm by 116.84cm)
  • 28 inch by 54 inch (71.12cm by 137.16cm)
  • 28 inch by 66 inch (71.12cm by 167.64cm)
  • 28 inch by 70 inch (71.12cm by 177.8cm)
  • 34 inch by 46 inch (86.36cm by 116.84 cm)
  • 34 inch by 62 inch (86.36cm by 157.48cm)


units of length below:

The common types of windows used in the building are as follows:
1) Casement or ordinary window.
2) Glazed or sash windows.
3) Louvered window.
4) Pivoted window.
5) Corner window.
6) Metal window.
7) Double-hung windows.
8) Gable windows.
9) Dormer window.
10) Bay window.
11) Clerestory window.
12) Lanterns or lantern lights.
13) Sky light.
14) Sliding window.
15) Circular window. 

  • 1 HINGES
  • 2 BOLTS
  • 3 LOCKS

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