How do modular homes differ from houses built on-site?

ZenniHome
3 min readMar 8, 2023

Modular homes and houses built on-site are two popular options for homeowners, but they differ in a few key ways. Modular homes are built off-site in a factory, then transported to the final location for assembly. Houses built on-site, also known as stick-built homes, are constructed entirely on the building site. In this article, we’ll explore the differences between modular homes and houses built on-site.

Construction Process

One of the most significant differences between modular homes and houses built on-site is the construction process. Modular homes are constructed in a factory, where the building process is standardised and streamlined. This means that each module of the home is built to exact specifications and quality standards, which ensures a high level of consistency and quality.

In contrast, houses built on-site are constructed by hand by a team of builders. This can lead to some variation in the quality and consistency of the final product, as the building process can be affected by weather, human error, and other factors.

Building Materials

Modular homes and houses built on-site can use similar building materials, such as wood, concrete, and steel. However, modular homes tend to be built with more sustainable and energy-efficient materials, such as high-performance insulation, low-emissivity windows, and energy-efficient HVAC systems.

Additionally, because modular homes are built in a factory setting, the building materials are often stored in a controlled environment, which can help prevent damage from moisture and other environmental factors. This can result in a higher level of durability and longevity for modular homes.

Time and Cost

Another significant difference between modular homes and houses built on-site is the time and cost of construction. Because modular homes are built in a factory setting, the construction process can be completed more quickly and efficiently than with houses built on-site. In some cases, a modular home can be constructed in a matter of weeks, while a stick-built home can take several months to complete.

This can also lead to cost savings for homeowners who choose modular homes, as the standardized construction process can help reduce labor costs and other expenses associated with on-site construction.

Design Flexibility

While modular homes offer many benefits, one potential downside is the lack of design flexibility. Because modular homes are built in a factory setting, the design options are more limited than with houses built on-site. However, many modular home builders offer a range of floor plans and design options that can be customised to meet the needs of individual homeowners.

In contrast, houses built on-site offer more design flexibility, as the building process is entirely customizable. Homeowners can work with architects and builders to create a unique home that meets their exact specifications and needs.

Building Codes and Regulations

Both modular homes and houses built on-site are subject to building codes and regulations, but the specific requirements can vary depending on the location. In general, modular homes must meet the same building codes and regulations as houses built on-site.

However, because modular homes are built off-site and transported to the final location, there may be additional regulations and requirements related to transportation and installation. Homeowners who are considering a modular home should be aware of these regulations and ensure that the builder they choose is familiar with all applicable codes and regulations.

Conclusion

Modular homes and houses built on-site each offers their own unique advantages and disadvantages. Ultimately, the choice between the two will depend on the specific needs and preferences of the homeowner. However, modular homes can offer a range of benefits, including faster construction times, cost savings, and energy efficiency. Homeowners who are considering a modular home should work with an experienced builder who can help guide them through the process and ensure that their home meets all applicable building codes and regulations.

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ZenniHome

ZenniHome builds living environments that gracefully balances life