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Topping up: building on what is already there is the key to building faster and more sustainably

Urban Climate Architects is an expert in topping up: sustainable extra floors on top of existing buildings. In line with the ABNAMRO report The promise of topping out we make cities Paris Proof and create affordable homes.

The full ABN AMRO report can be read here.

Straatbeeld van een bestaande woonwijk waar door optoppen extra woningen zijn toegevoegd

Topping up: building on what is already there

There is little space in our cities, while the demand for housing continues to grow. By topping up — installing new floors on existing buildings — we make smart use of what is already there. We are adding homes without using new land. At the same time, we make buildings more sustainable and extend their lifespan.

What does the ABN AMRO report say?

The report The promise of topping out by ABN AMRO shows that topping up offers a great opportunity: up to 100,000 additional homes could be added by 2030. And that with far fewer CO₂ emissions than ordinary new buildings.
Nevertheless, practice lags behind. Permits cost time and money, and projects are often complicated. Here, experience and knowledge helps to take steps.

Our experience with summits

Urban Climate Architects is an expert in summits. We have already designed and executed several projects. A good example is the Pikeursbaan in Deventer. There, we added new floors and made the entire building more sustainable.
We used wood and biobased materials and worked prefab as much as possible. This is how we provide affordable, sustainable and future-proof homes.

More than technology

Topping is not just a building solution. It's also about quality of living:

· better insulation

· more light and space

· a mix of different residents

· more support for nearby facilities

This is how we make the city greener, healthier and more livable.

Working together on the promise of success

We work with housing associations, municipalities and developers to make summits really possible. In this way, we contribute to solving the housing shortage and make cities Paris Proof and future-proof.

The full ABN AMRO report can be read here.

Contact for more information

Dennis Hauer
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Topping up as the key to faster and more sustainable construction in the Netherlands

Building on what's already there

The housing shortage requires smart solutions. Top-up — adding extra floors to existing buildings — makes it possible to quickly build new homes without taking up extra space.

With topping building and urban densification we use the city as it already exists. In this way, we accelerate housing construction and at the same time reduce the impact on the landscape.

Check out the project:
https://www.ucarchitects.com/projects/optoppen-bouwen-op-wat-er-al-staat-is-de-sleutel-tot-sneller-en-duurzamer-bouwen

Sustainable construction with wood and biobased solutions

Sustainable construction only really gains strength when we opt for biobased construction and smart, circular solutions. That's why we focus on timber construction when topping up: from CLT construction Netherlands to build solid wood and engineered timber buildings NL.

If timber construction architect we design lightweight structures that fit perfectly with existing buildings. This makes topping not only feasible, but also efficient and forward-looking.

Learn more about our vision:
https://www.ucarchitects.com/duurzaam-bouwen-met-houtbouw-transformatie-en-optoppen

And our knowledge about timber construction:
https://www.ucarchitects.com/onderzoeken

Internationally, this approach is growing through:
https://builtbynature.org

Circular construction and reuse as a starting point

Topping fits seamlessly with circular construction in the Netherlands. By using existing structures and choosing materials smartly, we reduce waste and CO₂ emissions.

If renovation architect Netherlands and building transformation architect we combine summits with transformation and reuse.

Check out similar projects:
https://www.ucarchitects.com/projects?category=Transformatie+%26+Renovatie

And:
https://www.ucarchitects.com/projects/knoest-biobased-wonen-in-het-groene-hart-van-pijnacker-nl

Climate-adaptive and nature-inclusive construction in the city

Optoppen contributes to a city that is ready for the future. By climate-adaptive design and nature-inclusive construction integrating creates a healthy and resilient living environment.

Green roofs, water collection and smart orientation enhance the quality of the city.

More about climate adaptation:
https://www.deltaprogramma.nl

A smart strategy for the city of tomorrow

Optoppen shows that the solution to the housing problem is already there. Not expanding, but reinforcing what is already there.

See more projects:
https://www.ucarchitects.com/projects

Curious about what topping up can mean for your building?
We are happy to think along with you about a future-proof solution.

Topping up housing in the Netherlands: sustainable densification with maximum impact

Inner-city densification without expansion

The city seems full, but still offers plenty of opportunities. With Top housing construction in the Netherlands we add homes without using new land.

This makes topping up a powerful strategy for urban densification and sustainable growth.

Check out the project:
https://www.ucarchitects.com/projects/optoppen-bouwen-op-wat-er-al-staat-is-de-sleutel-tot-sneller-en-duurzamer-bouwen

Timber construction as an accelerator of summits

Timber construction makes it possible to top up in places where traditional construction methods fall short. Thanks to CLT construction Netherlands and mass timber are the result of lightweight structures with a high load-bearing capacity.

If architect timber construction we design solutions that can be implemented quickly and are minimal burdens on existing buildings.

See how we use timber construction:
https://www.ucarchitects.com/projects/the-urban-woods-delft-nl

And:
https://www.ucarchitects.com/projects/sint-jorisweg-delft-nl

More about international timber construction:
https://www.archdaily.com/tag/mass-timber

Circular strategies for existing buildings

Topping up is inextricably linked to transformation of an existing building. By using existing structures, a sustainable basis is created for new homes.

With building circular materials and reuse of building materials we strengthen the city's value.

Learn more about our approach:
https://www.ucarchitects.com/onderzoeken

Quality of life and community at the heart

Topping up isn't just about adding homes. It's about strengthening the city.

By paying attention to encounters, greenery and space, an environment is created where people like to live. This is in line with sustainable architecture Netherlands and forward-looking urban design.

More about urban development:
https://www.pbl.nl

The future is over our heads

Optoppen shows that the city is far from finished. The space is literally above us.