What Is Window | 14 Different Types of Window | Functions of Windows | Location of Windows | Standard Height of Windows

Standard Height of Windows from Floor Level

Important Point

Introduction of Window

Window plays a vital role in the planning of our house. It is very important that the window should be located in the proper place so that we can utilize it efficiently.

House is incomplete without Windows. It is an essential part of the house. It allows entry of Sunlight and ventilation in the house.

What Is Window?

Windows are defined as opening or a vented barrier that is secured in the wall opening in order to serve one or more functions like the passage of natural light ventilation and vision etc.

Also, read : Requirements of Good DPC | Prevention of Dampness: Use of DPC | Methods of Damp proofing

Functions of Windows

  • To admit natural sunlight in the building.
  • To admit natural ventilation in the building.
  • It also helps to provide insulation against heat loss and sound.
  • Windows are also required to give a measure of resistance to the Fire.
  • Windows are helpful to increase the energy efficiency of the building.

Location of Windows

  • The location of the windows is decided on the basis of the desired daylight and its distribution in the building, natural ventilation, vision required for outside and privacy of occupants, etc.
  • In order to get maximum sunlight and fresh air, the window should be located on the Northern side of a room.
  • For maximum ventilation and fresh air, a window should be located on the opposite word facing to each other.
  • The window should be located such that it should fulfill all the functional requirements of the room like interior decoration and arrangement of furniture.

Also, read: What Is Dampness | Sources of Dampness in Building | Effects of Dampness in Building | Causes of Dampness

What Is the Standard Height of Windows from Floor Level?


The height which is measured from the floor level up to the base of the window is known as the sill level of the window. It is a lowermost or bottom horizontal part of the window.

The Standard height of the window from the floor level is generally kept 900mm or 3 ft.

Height of window from the floor can be calculated by following calculations.

Height of Window from Floor level = Height of Door – Height of Window

What Is the Standard Size of Windows?

Here are the Standard sizes of Windows in feet which are generally adopted in the building.

The standard size of Windows for residential buildings are as follows.

  • 2’0″ X 3’0″
  • 3’0″ X 4’0″
  • 4’0″ X 5’0″
  • 5’0″ X 6’0″

The standard size of Windows for Kitchen are as follows

  • 3’0″ X 3’6″
  • 3’6″ X 3’6″
  • 4’0″ X 3’6″

The standard size of Windows for bathroom are as follows

  • 2’0″ X 2’0″
  • 2’6″ X 2’0″

There is a thumb rule which is used while deciding the size of Window

Breadth of window = 1/8 ( width of room+height of a room)

The total area of windows opening which should be provided to the room is vary from 10% to 20 % of the floor area of the room.

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Factors Affecting the Prices of Windows Are as Follows

  • The dimension of the room.
  • The utility of the room.
  • Location of the room.
  • The direction of the wall.
  • Speed and direction of the Wind.
  • Climatic conditions.
  • Obstruction to light by the neighboring structures.

Types of Windows

14 Different types of windows are as follows.

  • Panel Window.
  • Single-Hung Window.
  • Double-Hung Window.
  • Awning Window.
  • Fixed Window.
  • Casement Window Open Window.
  • Metal Window.
  • Sliding Window.
  • Louvered Window.
  • Bay Window.
  • Gable Window.
  • Dormer Window.
  • Skylight Window.
  • Clear-Storey Window.

#1. Panel Window


This type of window consists of a frame that works of vertical member called style and the horizontal member call rails that are grooved along the inner edges of the frame.

The panels are made from Timber, plywood, and glasses. Sach Windows are may be fully paneled, partly paneled and partly glazed or fully glazed.

Also, read: Difference Between Plinth Level, Sill Level, and Lintel Level.

#2. Single Hung Window


Single-hung windows are popular Windows which are used in modern houses, apartments, offices, and buildings. In this type of Windows, the lower panel can move up and down while the upper one remains fixed.

#3. Double Hung Window


Double-hung windows are similar to the single hung window but in this window, we can move both upper and lower panel. This type of Windows is easy to clean.

#4. Awning Window

Awning Window

Awning windows are hinged at the top side and open from the bottom to the outward side. These windows are perfect for a rainy climate which allows ventilation even during light rain.

Also, read: What Is Superstructures | Difference Between Load-Bearing and Framed Structures

#5. Fixed Window


A fixed window consists of a frame to which shutters are fixed. The shutters are fully glazed. These Windows are provided for the purpose of admitting light and vision in the room.

#6. Casement Window Open Window

Casement Window Open Window

Sharda common types of Windows which are provided in the structures. This window consists of a frame which is rebated to receive the shutters.

#7. Metal Window

Metal Window

Metal Windows are made of mild steel which is widely used in various public as well as private buildings. This type of Windows is highly durable and cost-effective.

#8. Sliding Window

Sliding Window

Sliding windows Windows can moves on the roller bearings either horizontally or vertically. This type of Windows generally provided in the bank counters, shops, and buses, etc.

#9. Louvered Window


These Windows are provided for the purpose of ventilation and they do not permit outside vision from the window. This Windows can be cleaned from inside. The main advantage of this type of Window is, it can be left open even during rain.

Also, read: 10 Best Cement Companies In India

#10. Bay Window


Bay Windows are provided in order to obtain light and ventilation from two adjoining sides. These Windows projects outside of the external walls of a room.

#11. Gable Window

Gable Window

The gable window is located at the end of a pitched roof on the side of the house with a flat surface to allow the entry of natural light into the room.

Also, read: 10 Best Steel Brand for House Construction in India

#12. Dormer Window

Dormer Window

The vertical window provided on the sloping roof for the ventilation and the Lightning purpose known as dormer window. A dormer window is a form of roof window.

#13. Skylight Window

Skylight Window

A skylight window is a type of window which is generally provided on a sloping roof for getting the maximum sunlight light inside the house.

It is a modern concept and widely used in the buildings. A skylight window is best suitable for rooms, where it is difficult to construct windows.

#14. Clear Storey Window

Clear Storey Window

Clear-storey Windows are used when there is a greater ceiling height than the surrounding rooms. Clear-storey Windows are provided near the top of the main roof.

The purpose of clear-storey window is to provide ventilation to the inside of the room and improve the appearance of the building.


Standard Height of Window from Floor Level

Similarly, many windows can be set lower than the common height of 3 feet above the floor. Traditionally, that height was meant to allow the placement of furniture under the sill.

Standard Window Size in India

Type Location Sill Height
(in mm)
Masonry Opening Size
(in mm)
W1 Habitable Room 750 1800 x 1350
W2 Habitable Room 900 1800 x 1200
W3 Habitable Room 750 1500 x 1350
W4 Habitable Room 900 1500 x 1200
W5 Habitable Room 750 1200 x 1350
W6 Habitable Room 900 1200 x 1200
W7 Habitable Room 750 900 x 1350
W8 Habitable Room 900 900 x 1200
W9 Habitable Room 750 600 x 1350
W10 Habitable Room 900 600 x 1200
W11 Habitable Room 750 450 x 1350
W12 Habitable Room 900 450 x 1200
W13 Kitchen 1050 900 x 1050
W14 Toilet 1050 600 x 1050
W15 Toilet 1050 450 x 1050

What Is a Projected Window?

Bay and bow windows are both projection windows that means instead of being flush to the wall, they have an arced design made up of three or more panels that results in the window projecting from the wall on the exterior of the home, granting the viewer a wider, more unobstructed view.

What Are Commercial Windows?

Commercial windows are designed to let in more light for larger spaces, like offices, schools, and other business-type buildings. More light means larger frames and overall more glass. Residential buildings have smaller spaces designated for windows, so you can see less glass and more paneling in action.

What Casement Window Means?

Casement window, earliest form of movable window, wood or metal framed, with hinges or pivots at the upright side of the vertically hung sash, so that it opens outward or inward along its entire length in the manner of a door.

What Type of Casement Windows Are There?

  • Single frame casement windows are the most commonly installed.
  • Double casement windows used to be known as French casement windows.
  • Push-out casement windows come in both single and double styles and are operated by a handle rather than a crank.

Are Casement Windows Better?

casement window seal is not flexible. While both replacement window options are energy efficient, casement windows are more energy efficient since they are not flexible by design.

What Are the Advantages of Casement Windows?

On average, casement windows are the second most energy efficient type of window, after fixed-pane windows. When closed, casement windows have an airtight seal, preventing unwanted airflow into and out of the house.

What Type of Glass Is Used in Commercial Buildings?

The most common types of glass for commercial purposes include flat, plexiglass, tempered, laminated, wired (wire mesh) glass, tinted, insulated, spandrel, and security.

What Is the Most Common Window Type for Commercial Buildings?

These are arguably the most widely used windows in new commercial construction projects. Vinyl windows are not only affordable but also energy-efficient and durable.

Which Type of Window Is Best?

  • Wood double-hung: Andersen 400 Series, $310 per window.
  • Vinyl double-hung: Simonton Pro-Finish Contractor, $260.
  • Fiberglass double-hung: Integrity from Marvin Ultrex, $450.
  • Wood casement: Andersen 400 Series, $400.

Can You Build Your Own Windows?

While these tools aren’t cheap, once bought you can build all of your own custom windows, and save a bundle on labor and materials. If you’re installing windows made by someone else, definitely read our “how to” for replacement window.

What Are Three Types of Windows?

The Three Main Categories: Location, Opening Style, and Design. There are easily dozens of different window types from casement to arched to transom. However, to better clarify the differences, it is useful to divide them into three groups: windows named for their location, opening styles, and designs.

What Is Windows in Building Construction?

In contrast to a glass curtain wall which supports only its own weight (not the weight of the building structure), and is composed mainly of glass units anchored to a frame a punch opening, or exterior wall opening, is an open space in an exterior wall around which the weight of the wall is directed.

How Much Does It Cost to Add Windows?

Adding a window into an existing wall requires a combination of siding, framing, and finishing work, so the price range will usually run between $1,000 and $5,000 per window. The factors that will affect a new window installation into an existing wall include: Framing typically costs between $1,000 and $2,500.

Is It Cheaper to Build Your Own Windows?

Windows can easily be one the single most expensive items when building a house, running several hundred dollars for a square foot or two. Comparing this to the price of various see through materials, makes me wonder why not just make my own windows.

Can I Make My Own Double Glazed Windows?

Doubleglazed windows are usually made from pre-fabricated glass panels. Although this is a good design to reduce the cost and complexity of manufacture, there are drawbacks. The design shown below is a true DIY doubleglazed window. It can be built and maintained by a person of modest skill; and at minimal cost.

How Are Windows Made from Glass?

Glass windows are manufactured in a factory, undergoing an intense process where temperatures reach up to 1500 degrees Celsius. The glass melts, and will then be brought to a temperature of 1200 degrees Celsius. The glass is fed into a bath of molten tin

What Are a Different Kind of Windows?

  • Double-Hung Windows.
  • Single-Hung Windows.
  • Single-Hung Windows.
  • Casement Windows.
  • Awning Windows.
  • Awning Windows.
  • Transom Windows.
  • Slider Windows.

What Type of Windows Last the Longest?

But when properly maintained, quality, crafted wood, fiberglass, and vinyl windows can all last for years. Wood windows – It takes extra effort on your part, but wood windows are known for their longevity.

What Are the Most Common Types of Windows?

  1. Casement Windows.
  2. Awning Windows.
  3. Double-Hung Windows
  4. Bay Windows
  5. Picture Windows. 
  6. Slider Windows.
  7. Single-Hung Windows.

What Are the Best Replacement Windows for the Money?

  • Pella Windows.
  • Andersen Windows.
  • Milgard Windows.

What Should I Look for When Buying New Windows?

If you’re wondering what to look for when buying windows, consider everything windows do for your house. They provide natural light, outside views, insulation, and security. The best windows for any home will provide all of these benefits while blocking out wind drafts and UV rays.

What Are the Best Type of Windows?

  • Slider Windows.
  • Casement Windows.
  • Double-hung Wndows.
  • Single-hung Windows.
  • Awning Windows.
  • Transom Windows.
  • Jalousie Windows.
  • Palladian windows.

What Are the Types of House Windows?

  • Double-Hung and Single-Hung Windows.
  • Casement Windows.
  • Picture Windows.
  • Bay Windows.
  • Awning Windows.
  • Slider Windows.
  • Transom Windows.

What Is the Most Popular Window Style?

Casement and double-hung windows are two of the most common window styles. Of the two, casement windows, which are side-hinged and swing outward, are the more modern option. Casement windows are available in our wood, fiberglass, and vinyl product lines.

How Do I Choose a Window Style for My Home?

  1. Choose windows that reflect your home’s architectural style.
  2. Decide what purpose your windows will serve.
  3. Colorful window frames and mullions.
  4. Selecting the right window for the amount of ventilation needed.
  5. Choosing windows that appeal to your interiors.
  6. Determine the orientation of the sun before choosing windows.
  7. Different operable windows for your unique application.
  8. Use your windows as the focal point of your interiors.
  9. Windows are a great renovation project.

What Is the Cheapest Style of Window?

The cheapest window styles tend to be double-hung, single-hung, sliders, fixed, and casement windows. Note: Different installation options affect pricing.

Which Type of Window Is Best for Home?

Casement windows are considered better than double-hung windows at keeping out drafts since the window seal is generally quite tight. Casement windows are good when you want to “scoop” cooling outside air into the house.

What Type of Window Is Most Energy Efficient?

Casement windows are the most energy efficient style of window that is meant to be opened (picture windows are more efficient, but are designed to not open). Casement windows offer such energy efficiency because of the design: these windows have a strong seal on all four sides.

How Do I Choose Windows for My Home?

When choosing windows, you need to consider the same elements as you would any other design project: the style, finish, function, shape, and composition it’s a lot and it’s extremely important. In fact, I’ll go ahead and say that windows and doors might be two of THE MOST important elements in a house.

Which Windows Are Best for Insulation?

Fiberglass window frames are dimensionally stable and have air cavities that can be filled with insulation, giving them superior thermal performance compared to wood or uninsulated vinyl.

What Is an Energy Efficient Window?

Energy efficient windows, also known as energy saving windows, are designed to prevent your heated or cooled air escaping from your home. Their increased insulation reduces your home’s energy usage—and therefore, your bills! —while also making your home more comfortable overall.

What Type of Window Is Best for a Bathroom?

Crank windows like casement and awning offer the best energy efficiency and can be used in any room in your home. But awning windows are better suited for use in bathrooms. Awnings have a hinge on the top side of the frame, and the bottom of the sash opens away from the frame.

What Is Window in Building Construction?

Window, opening in the wall of a building for the admission of light and air; windows are often arranged also for the purposes of architectural decoration.

What Are the Uses of Windows in a Building?

They dominate the appearance of a building with their form, structure, and placement on the envelope. In addition to the classical functions of windows, like the protection against the weather, daylighting, supply of fresh air, and the connection to the outside, they have meet thermal and acoustical requirements.

How Do You Calculate the Rough Opening of a Window?

Measure the width across the bottom of your window opening between the inside faces of the framing on each side. Measure the height of the opening between the bottom of the header and the top of the sill on the left, right, and center of the openingMeasure the thickness of the flashing needed.

How Do You Measure a Window Opening?

  1. Measure the height from the head of the window (top fixed-frame piece) to the windowsill (bottom fixed-frame piece)
  2. As with the width, take three measurements: down the left side, right side and the middle.
  3. Record the shortest measurement — this ensures that the new window will fit.

What Are Windows in Building?

Window, opening in the wall of a building for the admission of light and air; windows are often arranged also for the purposes of architectural decoration.

What Are All the Components of a Window?

  • Frame. 
  • Glass. 
  • Head.
  • Jambs.
  • Sill.
  • Jambliner.
  • Sash.
  • Rails.

Why Are Windows Important in a Building?

Windows facilitate the entry of natural light indoors. They enable the occupants of a house to enjoy the views of the neighbourhood or locality. In addition, they serve to keep the house cross-ventilated. As such, houses with ample windows will seldom look gloomy or feel stuffy.

How Much Do Windows Cost?

On average a window replacement costs anywhere from $150 to $750 per window. The most common windows installed are double hung or casement windows which are very affordable. A large wooden bay window would be more expensive and may cost up to $2,550 or more to install.

Why Use Double Hung Windows?

Most contemporary double hung windows are developed for ease of cleaning. Since both sashes tilt in, it means you can clean the outside of the windows from the inside—eliminating the hassle and danger of climbing ladders and scaffolding or using long-handled tools.

What Is the Cheapest Type of Window?

The cheapest window styles tend to be double-hung, single-hung, sliders, fixed, and casement windows.

Which Is Better Pella or Andersen Windows?

Both Pella and Andersen offer energy-efficient windows that are made to provide a tight seal. However, Andersen’s energy-efficient windows are a lot more expensive than those offered by Pella. Thus, Andersen’s windows will take more time to recoup the costs of their purchase.

What Are the Most Cost-Effective Windows?

Solid wood windows are regarded as the premium choice. But fiberglass frames are less expensive and solid vinyl frames are the least expensive of all.

What Are the Best Windows to Put in a House?

  • Andersen Windows.
  • Pella Windows.
  • Preservation Windows.
  • Milgard Windows.
  • Simonton Windows.
  • Alside Windows.
  • Atrium Windows.
  • Marvin Windows.

What Are the Different Types of Window Frames?

The four major types of window frames are vinyl, aluminum, fiberglass, wooden, and composite. It’s important to consider the benefits of each to determine which type fits your needs.

What Are the Basic Types of Windows Used in Housing Construction?

  • Double-Hung and Single-Hung Windows.
  • Casement Windows.
  • Picture Windows.
  • Bay Windows.
  • Awning Windows.
  • Slider Windows.
  • Transom Windows.

Which Type of Window Frame Is Best?

  • Wood. 
  • Wood-cladded.
  • Aluminum.
  • Composite.
  • Vinyl.
  • Fiberglass.

What Are the Most Expensive Windows?

  • Bay Window: $2,000 – $8,000.
  • Bow Windows: $1,500-$3,000.
  • Casement windows: $650 – $1480.
  • Garden windows: $800 – $1200.
  • Skylight windows: $450 – $1500.
  • Glass block windows: $38 an hour.
  • Picture windows: $420 and up.

What Type of Window Is Cheapest?

Solid wood windows are regarded as the premium choice. But fiberglass frames are less expensive and solid vinyl frames are the least expensive of all.

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