HOUSING MARKET COLLAPSE ISEG LISBON SUSTAINABLESCIENCE&POLICY GROUP 1: KADEN DAHLAGER, ADRIANA GUZMÁN, JANETTE SCHULLER ALEXANDER TOPOROV, JIAYI WU, DIOGO AFONSO
BUILDINGS & CONSTRUCTION = 39% OF GLOBAL CARBON EMISSIONS.
ECONOMIC COLLAPSE POLYCRISISTHE TRIPLE SHOCK CLIMATE PRESSURE SOCIAL INEQUALITIES HOUSING MARKET COLLAPSE IS AN URBAN RESILIENCE CRISIS.
FRAMING MATTERS ECONOMIC = SUBSIDIES CLIMATE = RETROFIT BUILDINGS SOCIAL = ADDRESS AFFORDABILITY
REALITY INTERCONNECTEDTECHNO-SOCIO-ECOLOGICALSYSTEM HEATING/ COOLING COST RISE RENT RISES DISPLACEMENTS DEMAND FOR NEW CHEAP HOUSING HIGHER EMISSIONS CLIMATE WORSENS REPEAT
BUILDING RETROFIT & INSULATION GLOBALPROJECT FIXING THE PAST:
RETROFIT & INSULATION BUILDINGS USE 40% OF ALL EU ENERGY 75% OF EU BUILDINGS HAVE POOR ENERGY PERFORMANCE LEAKY, INEFFICIENT BUILDINGS MAKE ENERGY BILLS AND EMISSIONS WORSE VULNERABILITY:
RETROFIT& INSULATION REDUCE ENEGY BILLS & EMISSIONS IMPROVE INDOOR COMFORT BENEFITS: PROTECT PEOPLE DURING HEATWAVES STABILIZE HOUSEHOLDS DURING MARKET SHOCKS
GERMANY’S KFW PROGRAM LOW-INTEREST LOANS + GRANTS (20-25%) FOR INSULATION UPGRADES. BEFORE AFTER
RETROFITS FIX THE PAST BUT WHAT ABOUT THE FUTURE?
GREEN BUILDING CODES LOCAL PROJECT 1 SECURING THE FUTURE:
AT A LOCAL LEVEL ENSURE THE MASSIVE WAVE OF NEW CONSTRUCTION DOESN'T BECOME THE NEXT CRISIS
CHEAP BUILD EXPENSIVE TO LIVE IN UNLIVEABLE DURING HEATWAVES | COLD ABANDONED REPLACED AT HIGH COST STOP THE CYCLE:
SINGAPORE’S GREEN MARK SETS BENCHMARKS FOR ENERGY USE REWARDS LOW-CARBON MATERIALS ENCOURAGES COOL + GREEN ROOFS RESHAPES THE ENTIRE CONSTRUCTION SECTOR
NET-ZERO BUILDINGS LOCAL PROJECT 2 SECURING THE FUTURE:
NET-ZERO BUILDINGS IMAGINE A WORLD WHERE HOMES PRODUCE AS MUCH ENERGY AS THEY CONSUME. BREAKING THE FEEDBACK LOOPENERGY PRICESHOUSING AFFORDABILITYCLIMATE VULNERABILITYMARKET INSTABILITY
NETHERLAND’S "ENERGY LEAP" THE IMPACT: TENS OF THOUSANDS OF HOMES UPGRADED COSTS DROPPED WITH SCALE MODEL EXPANDED ACROSS EUROPE + U.S. CONSTRUCTION MARKETS SHIFTED TO INDUSTRIALIZED RETROFITS CITIES RAISED CLIMATE AMBITIONS USING THIS APPROACH
CONNECTING THE DOTS
CREATES ASSSETS PROTECTS FUTURE STABILIZES BASENET-ZEROGREEN CODESGLOBAL RETROFITSSUSTAINABILE SCIENCE IN ACTION COMMUNITIES GAIN STABILITY EVEN DURING MARKET SHOCKS
IN A POLYCRISIS WORLDTHE FUTURE OF HOUSING DEPENDS ON INTEGRATED STRATEGIES THAT STABILIZE MARKETS, PROTECT PEOPLE, AND HEAL THE PLANET.
ADRIANA JANETTE JIAYI KADEN ALEXANDER GLOBALPROJECT PRESENTATION+LOCALPROJECTII LOCALPROJECTII LOCALPROJECTI LOCALPROJECTI GROUP CONTRIBUTIONS: DIOGO QUESTIONS
REFERENCES Daybreak. (n.d.). Daybreak: Playing out possible futures. https://www.daybreakgame.org DAYBREAK+1 Green Home. (n.d.). Energiesprong – Energy leap. https://www.green-home.org/en/good- practice/energiesprong-energy-leap/ World Green Building Council (WorldGBC). (n.d.). Bringing embodied carbon upfront. https://worldgbc.org/climate-action/embodied-carbon/ World Green Building Council European Commission. (n.d.). Energy Performance of Buildings Directive. https://energy.ec.europa.eu/topics/energy-efficiency/energy-performance-buildings/energy-performance- buildings-directive_en Energy Building and Construction Authority. (2024). Green Mark Certification Scheme. https://www1.bca.gov.sg/buildsg/sustainability/green-mark-certification-scheme BCA Corp KfW. (2024). Newsroom – press releases. from https://www.kfw.de/About-KfW/Newsroom/Latest- News/Pressemitteilungen-Details_820928.html U.S. Green Building Council (USGBC). (n.d.). Green building codes. https://www.usgbc.org/about/advocacy/green-codes Standring, A., & Sardinha, I. (2025). Sustainable Science and Policy class presentations (Presentations 1–10).