| BUILD UP

A portal to foster knowledge sharing about energy efficiency and renewable energy related to the building and construction sector in Europe.

Please enable JavaScript and reload the page.

The image shows a modern house with a contemporary architectural design, featuring clean lines and a combination of materials such as wood, glass, and stone. It is located in a natural setting with grass and low vegetation, under a clear sky that adds brightness to the scene.

Positive Home, the first Passive House Plus in Spain

Positive Home combines an airtight envelope, Cross-Laminated Timber (CLT), controlled ventilation, and 10 kW of photovoltaics with battery storage to achieve near-zero energy consumption. It also integrates water recycling and solar design, offering a replicable model of sustainable housing.

17/12/2025

Editorial team

The image shows an inner courtyard surrounded by multi-storey buildings with façades in warm tones, mainly reds and oranges. The structures feature balconies with metal railings, external staircases and some decorative elements such as plants and awnings, while in the centre of the courtyard there are tables and chairs, suggesting a social space.

Putting the social factor at the heart of Europe’s energy transition

A new approach links social inclusion and building‑stock renovation to fight energy poverty and cut urban emissions across the EU.

Building Renovation

Energy efficiency technologies and solutions

17/12/2025

Editorial team

The image shows the façade of a modern building with a repetitive structure of rectangular windows arranged in rows and columns. Each window is fitted with an air conditioning unit at the bottom, creating a uniform pattern across the surface.

COP30 highlights role of sustainable cooling in building energy strategy

The United Nations Environment Programme (UNEP) and participants at COP30 have released a report urging the adoption of efficient cooling systems in buildings worldwide, including homes, urban buildings and data centres.

Heating and cooling, including at the district level

Heating, Ventilation and Cooling

17/12/2025

Editorial team

The image shows an avenue lined with rows of flags from different countries, mounted on tall flagpoles and arranged symmetrically. In the background stands an institutional building with the inscription “UNITED NATIONS” and “NATIONS UNIES” above the main entrance, indicating it is the UN headquarters.

United Nations Environment Programme (UNEP) Emissions Gap Report 2025

The United Nations Environment Programme assessed global emissions trends and mitigation pathways in its new report, the 'Emissions Gap Report 2025'.

Zero-emission buildings

Building Renovation

Nearly zero-energy buildings

17/12/2025

Editorial team

Extended Call for Abstracts and Topical Sessions: AIVC–venticool–TightVent 2026 Conference | Incheon, Republic of Korea

The abstract and topical session submission deadlines for the Air Infiltration and Ventilation Centre (AIVC)–TightVent–Venticool 2026 Conference, scheduled for 30 September – 1 October 2026 in Incheon, Republic of Korea, have been extended.

AI in building processes

Energy Performance Certification, Building Renovation Passports, Smart Readiness and Energy

Fostering Data in the Constructions Sector

Heating and cooling, including at the district level

Policy and regulatory developments at EU, national or regional levels

Smart buildings and districts, and (where relevant) Smart cities

Societal issue where these relate to the energy efficiency and renewable energy in buildings

Training and education, capacity building and construction skills for improved energy performance in buildings

User Experience and occupant behaviour

Zero-emission buildings

Building Renovation

Nearly zero-energy buildings

Financial support for energy efficiency in buildings, research and innovation

Energy efficiency technologies and solutions

Construction materials and circular construction

Building Operation and Maintenance

Green Building Solutions

Heating, Ventilation and Cooling

Indoor Environmental Quality

16/12/2025

Maria Kapsalaki

The image shows a modern building with an industrial design, featuring the name “SOPREMA” in large letters on the façade. The surroundings include a car park with several vehicles, well-maintained grass, and industrial structures in the background under a partly cloudy sky.

Energy strategies at the Soprema Woodstock plant

The Soprema plant in Woodstock combines an insulated envelope, efficient HVAC, and smart control to reduce energy consumption. Certified LEED v4 BD+C, it stands out for waste management and indoor quality, offering a replicable model for the sustainable industry.

16/12/2025

Editorial team

The image shows four European Union flags waving in front of a modern building with a façade made up of horizontal metal panels. The sky is overcast, giving the background a grey tone.

Support service for Citizen-led renovation projects: handbook

The Citizen‑led Renovation initiative by the European Commission published a handbook in November 2025, designed to guide communities in the effective and collaborative planning of building renovations.

Building Renovation

Energy efficiency technologies and solutions

16/12/2025

Editorial team

The image shows a building covered with white tarpaulins, likely due to restoration or construction work. On the front, there are two large decorative prints, and the surroundings include autumn trees and a clear sky.

EU demands action from Croatia on efficiency and renewables

The European Commission is urging Croatia to implement the Energy Efficiency and Renewables Directive to meet targets for reducing consumption and transitioning to sustainable sources by 2030.

Building Renovation

Nearly zero-energy buildings

16/12/2025

Editorial team

The image shows a European Union flag waving in front of a brick building with several arched windows. The glass reflects trees and the sky, suggesting it is a clear day.

The state of regions and cities: EU annual report 2025

The 2025 report outlines the role of regional and local authorities in managing public investment, addressing key social and environmental pressures, and supporting Europe’s shift towards more sustainable and resilient communities.

Building Renovation

Energy efficiency technologies and solutions

15/12/2025

Editorial team

The image shows a group of people posing in front of the entrance to a building with the sign “CARTIF”. The background features a glass and brick façade, and at the top there is the text “DTERBIM Press Release #1”, along with the logos of DTERBIM and the European Union.

From linear to circular renovation: energy-efficient and circular renovation across Europe

The DTERBIM project, funded by the EU’s Horizon Europe programme, aims to transform construction and renovation across Europe through innovative tools and pilot demonstrations.

Building Renovation

Energy efficiency technologies and solutions

15/12/2025

Editorial team

Subscribe to