What is prefab construction?

Written by:

Demi-Jo Smith, February 24, 2025

Prefab construction and prefab homes are terms you hear more and more often. And this is not surprising, as prefabricated construction offers many advantages, especially in terms of time and therefore costs. But what exactly is prefab construction? We are happy to tell you.

Prefabricated construction is an innovative way of building, where buildings or houses are assembled or constructed from ‘ready-made’ parts or modules. Of course, those parts are not really ready-made, but produced in advance in a factory environment. They are then brought to the construction site for quick assembly.

It is no wonder that this method is becoming increasingly popular in a wide range of construction sectors, from homes to office buildings, schools and healthcare facilities.

Prefab construction is a construction method where certain building components are made in advance, off-site.

What does prefab construction mean?

Prefab is short for prefabrication. Prefabrication is therefore a construction method in which certain building components are manufactured off-site in advance. Various (often standard) building elements, such as walls, floors and roofs, are manufactured in a factory or workshop. These components are then assembled on site.

The definition of prefab construction

What exactly is prefabrication? Prefabricated houses are houses that are built in advance at an off-site location. They are also known as prefabricated houses. They use standard components that are easy to transport and assemble.

Prefabricated components can range from individual building elements to fully fitted modules such as bathrooms or kitchens. An important aspect of prefabrication is that it involves the production of standardised building components under controlled conditions. This standardisation ensures higher quality and efficiency.

Traditional construction is more sensitive to external factors such as the weather. With prefabrication, you are never affected by rain or frost and the construction can be well planned. This saves time and money.

What is the difference between prefabricated and traditional construction methods?

There are a number of important differences between prefab and traditional construction:

  • With prefab, most of the production takes place in a controlled factory environment, whereas traditional construction is mainly done on site;
  • Traditional construction offers more flexibility in design, but often takes longer;
  • Traditional construction is more sensitive to external factors such as the weather. With prefabrication, you are never affected by rain or frost, and construction can be well planned. This saves time and money.

The advantages of prefabricated construction

Prefabrication has many advantages. Consider a faster and more efficient construction process, reduced failure costs, higher quality and more sustainable construction practices.

Faster construction with fewer delays

One of the main advantages of prefabrication is the speed of construction. Many – sometimes even most – of the components are prefabricated in a factory. This means ideal conditions, perfect planning and no influence from the weather or other unforeseen factors on site. The result? A more efficient construction process with fewer delays. In addition, different phases of the construction process can take place simultaneously, further reducing the overall project duration. If you also use an intelligent document management system, you can increase efficiency and save even more time.

Sustainability and eco-friendliness

Prefabricated construction contributes to a more sustainable construction industry. In the controlled factory environment, there is less construction waste and materials can be used more efficiently. This results in buildings with a smaller ecological footprint.

Cost reduction and efficiency

Prefab can offer significant cost savings.

  • Streamlined factory production processes reduce failure costs and material waste.
  • Reduced on-site construction time means fewer man-hours on site and less expenditure on site management and equipment.

This efficiency makes prefabricated construction an attractive option for both private and commercial projects.

One of the main disadvantages of prefab is the potential limitation in design freedom.

The disadvantages of prefabricated construction

While there are many advantages to prefabrication, there are also some disadvantages to consider. Depending on the type of construction project, these limitations may play a role in the choice between prefabrication and traditional construction methods.

Limitation in design freedom

One of the main disadvantages of prefabrication is that it can limit design freedom. The standardised production of building elements reduces the scope for customisation or highly specific designs. This can be particularly challenging in projects that require a high degree of customisation, such as residential construction where buyers have many choices, or renovations of existing buildings where prefabricated elements may not fit well.

Transport and logistical challenges

Transporting prefab elements from the factory to the construction site can be a logistical challenge. Large elements may require specialised transport, which adds to the cost. In urban areas with limited access, transport challenges can be even greater. And don’t forget the new zero emission zones – will transport be allowed into the city at all? Once on site, there must also be sufficient space for manoeuvring and placing the precast elements.

From compact tiny houses to luxury villas and large apartment blocks, prefabrication techniques offer flexibility and efficiency.

Applications of prefab construction

Prefab construction is used in various sectors of the construction industry. From small-scale residential construction to large-scale commercial projects.

Houses and apartments

Prefabrication is becoming more and more common in residential construction. As such, it offers benefits to the developer, the builder and the future residents. From compact tiny houses to luxury villas and large apartment complexes, prefabrication techniques offer flexibility and efficiency. Prefabricated houses can be delivered quickly and often offer high levels of energy efficiency. For apartments, complete modules, including bathrooms and kitchens, can be prepared in the factory and assembled on site, significantly reducing construction time and allowing residents to move in sooner.

Business premises and offices

Prefab is particularly suitable for commercial projects, such as offices and commercial buildings, due to its fast construction time and cost efficiency. Prefabricated buildings are also relatively easy to retrofit or extend, offering flexibility in the use of space.

The shorter construction time and lower environmental impact make precast construction an attractive choice for developers, builders and end-users alike.

Why choose prefab?

Prefab construction responds to key trends in the construction industry, such as the demand for sustainability, efficiency and cost control. At a time of increasing urbanisation and the need for affordable housing, precast offers fast and high quality solutions. Faster construction times and reduced environmental impact make precast an attractive choice for developers, contractors and end users alike. Innovations such as 3D printing and the use of new innovative building materials are making prefabrication an increasingly sophisticated and versatile construction method. This makes prefab not only a practical choice for the present, but also a future-oriented approach that responds to the changing demands of the modern construction world.

The benefits of faster and more efficient construction, consistent quality and smaller environmental impact make it an attractive option for a variety of projects, from residential to commercial buildings.

Prefab construction summarised

Prefab is an efficient, sustainable and cost-effective construction method. The benefits of faster and more efficient construction, consistent quality and reduced environmental impact make it an attractive option for a wide range of projects, from residential to commercial. Although there are limitations, such as less design flexibility, the advantages often outweigh the disadvantages.

Frequently asked questions on prefabricated construction

How long does it take to build a prefab house?

The construction time of a prefab house is significantly shorter than traditional construction, often only a few months from start to completion.

Is prefabricated construction cheaper than traditional construction?

Prefab construction can be more cost-efficient due to fewer labour hours on site, less material wastage and more efficient planning.

What are the options for customisation within prefab?

Prefab construction works with standardised elements. Yet there is often room for adjustments in design and finishing to meet individual requirements.

Is it possible to extend a prefab house later?

Yes, many prefab houses are designed with future extensions in mind, allowing for later modifications or additions.

How low-maintenance are prefab houses?

Prefabricated houses are generally very low-maintenance because of the high quality of materials used and accurate construction in a controlled environment.