While in Brazil a house can take 18 months to be completed, a British company bets on steel modules produced in an industrial environment and assembled on-site in just a few days.

Written by Noel Budeguer

Published on 27/04/2026 at 18:08

Updated on 27/04/2026 at 18:09

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British companies like TopHat and Legal & General Modular Homes have transformed residential construction by producing family homes in modules, reducing on-site steps, increasing quality control, and offering a faster, more efficient, and sustainable alternative to conventional construction.

In a country like Brazil, where building a house can take up to 18 months, a British solution stands out for seeming almost futuristic: family homes produced in modules, manufactured in an industrial environment and assembled on site in much less time than traditional construction.

These are not offices, improvised containers, or commercial buildings. The focus is on something much more important: real homes for families, with bedrooms, kitchen, bathroom, living room, and energy efficiency designed for daily life.

The house that is not born on the construction site, but in the factory

The logic is impressive: instead of erecting a house brick by brick under rain, delays, and unforeseen events, British companies like TopHat and Legal & General Modular Homes began manufacturing complete parts of the residence inside factories.

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TopHat: the bet on low-carbon modular homes

Residential modules being assembled in an industrial environment, a model used to accelerate the construction of family homes and reduce waste on the construction site.

The company TopHat stood out as one of the main bets of this revolution. Its proposal was to produce modular residential homes with a focus on low environmental impact, speed, and efficiency.

A large part of the process took place off-site, inside factories, which allowed for waste reduction, improved quality control, and avoidance of many problems typical of conventional construction.

The company even planned a mega-factory capable of producing thousands of homes per year, showing the ambition to completely transform the housing sector in the United Kingdom.

Legal & General: family homes ready to live in

Another giant in the sector was Legal & General Modular Homes, which developed projects aimed directly at families.

One of the most striking examples is the Bonnington Walk neighborhood in Bristol, with 2, 3, and 4-bedroom homes. These dwellings were designed for real use: integrated spaces, spacious bedrooms, and modern solutions for daily life.

The proposal goes beyond construction: it’s about creating complete neighborhoods with modern, affordable, and ready-to-move-in homes.

The big difference: speed and efficiency

Residential modules arrive almost ready at the site and are assembled with the aid of cranes, reducing traditional construction steps and accelerating home delivery.

What makes this model so impactful is the promise of speed. While in Brazil residential construction can drag on for many months, modular construction allows much of the work to be done even before reaching the site.

This doesn’t mean the house appears ready out of nowhere in a few days, but rather that the on-site assembly phase is much faster than in the traditional model.

For those who need a home, this difference can mean months less waiting — and that changes everything.

Is it really 30% cheaper?

Here’s an important point: the data of “30% cheaper” needs to be analyzed with caution. There are studies in the sector that indicate cost reduction and efficiency gains with modular construction.

However, there is no confirmation that specific homes from these companies have exactly this percentage of savings.

The most accurate way to say it is that the model seeks to reduce costs, accelerate processes, and increase productivity, especially on a large scale.

Houses that also save energy

Modern house with **solar panels and energy efficiency technologies**, showing how modular homes can reduce consumption and make daily life more economical.

One of the major highlights of these homes is their consumption over time. Many of these houses have been designed with high energy efficiency, including solar panels, advanced thermal insulation, and modern technologies.

This can mean lower energy bills for families, something increasingly relevant in today’s world.

In other words, innovation is not just about building quickly, but also about delivering houses that are more economical to live in.

Not everything is easy: the challenges of the model

Despite the potential, modular construction also faces challenges. TopHat itself has gone through difficulties and needed to revise plans, showing that the model is still evolving.

Producing houses in a factory requires high investment, constant demand, and a market ready to accept this new format.

Even so, the idea remains strong: if cars and electronics are mass-produced, why not houses?

The future of housing may be in factories

The big message of these initiatives is clear: the house of the future may not be born in a disorganized construction site, but rather in a modern, efficient, and technological factory.

For countries like Brazil, where building a house can still mean a long wait, this model raises a provocative question: are we building in the slowest way possible?

The British response was bold: to transform houses into industrial products, accelerate assembly, and completely rethink the way of living.

And even with challenges, one thing is already certain: modular houses for families have ceased to be a trend and have become a reality that can change the real estate market.

Made with information from Legal & General Modular Homes, one of the main references in residential modular housing in the UK.

While in Brazil a house can take 18 months to be completed, a British company bets on steel modules produced in an industrial environment and assembled on-site in just a few days.

British companies like TopHat and Legal & General Modular Homes have transformed residential construction by producing family homes in modules, reducing on-site steps, increasing quality control, and offering a faster, more efficient, and sustainable alternative to conventional construction.

The house that is not born on the construction site, but in the factory

TopHat: the bet on low-carbon modular homes

Legal & General: family homes ready to live in

The big difference: speed and efficiency

Is it really 30% cheaper?

Houses that also save energy

Not everything is easy: the challenges of the model

The future of housing may be in factories

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While in Brazil a house can take 18 months to be completed, a British company bets on steel modules produced in an industrial environment and assembled on-site in just a few days.

British companies like TopHat and Legal & General Modular Homes have transformed residential construction by producing family homes in modules, reducing on-site steps, increasing quality control, and offering a faster, more efficient, and sustainable alternative to conventional construction.

The house that is not born on the construction site, but in the factory

TopHat: the bet on low-carbon modular homes

Legal & General: family homes ready to live in

The big difference: speed and efficiency

Is it really 30% cheaper?

Houses that also save energy

Not everything is easy: the challenges of the model

The future of housing may be in factories

The Soviet Union spent 22 years drilling into the Earth’s crust and reached a depth of 12,262 meters — they found water where it was thought impossible, hydrogen bubbling from the rock, granite that is 2.7 billion years old, and temperatures of 180 degrees that melted the drill bits.

Norway is drilling 27 kilometers of rock 392 meters below the bottom of a fjord to build the world’s largest and deepest underwater road tunnel — when completed, a 21-hour journey will be reduced to 10.

Chinese engineers begin filling a 217-meter dam at an altitude of 3,000 meters and prepare a 2,240 MW hydroelectric power plant to integrate hydropower, solar, and wind energy in the upper Jinsha.

A German architect built a cylindrical house in 1994 that rotates to follow the sun throughout the day, generates 5 times more energy than it consumes, and was the world’s first energy-positive house.

An astronaut spent 340 days in space while his twin brother stayed on Earth, and NASA found a “rejuvenating” effect, genes, microbiome, cognition, and immune system that revealed the biological cost of living outside the planet.

After 14 years of construction and a diplomatic crisis that nearly led to a military confrontation over control of the Nile, Ethiopia inaugurated the largest hydroelectric power plant in Africa — the dam is 170 meters high, holds 74 billion cubic meters of water, and generates 5,150 megawatts.

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An international team drilled the Earth’s mantle under the Atlantic and reached 1,268 meters below the seabed; they recovered a record-breaking core, found rocks that release hydrogen, and chemical clues as to how life may have begun.

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