The road to a

climate neutral Leuven

The Major Renovation Challenge

22 05 2019

KNOWLEDGE

INSTITUTIONS

LOCAL

GOVERNMENT

CIVIL

SOCIETY

BUSINESS

POWER of the NETWORK &

BUSINESS OPPORTUNITIES

SCIENCE &

INNOVATIONS

STORY

TELLING

REALISATIES

INNOVATIVE

PILOTS

INTERNATIONAL

RECOGNITION

The time is now …

No more fossil fuels

Use the available space wisely (densification)

Minimize impact of materials

Climate plan for the big patrimony owners (55% by

2035 and 85% by 2050)

By 2025 an action plan for all energy intensive buildings. By 2020 an action

plan to approach ALL non-residential building owners.

L.E.U.V.E.N. – the start off program 2 ?

The L.E.U.V.E.N. - project is co-funded by theEuropean Union

• Lower Energy Use Via an Extraordinary Network• 24 partners in the city of Leuven• 1.560.000€ subsidy from the European Investment Bank• Start: 1 December 2017• Studies that prepare investments in energy-efficiency and renewable energy• For each 1 € subsidy from EU, 20 € investment by partners

Stad Leuven, AGSL, M – Museum, ZORG Leuven, Dijledal, Dijlehof, KU Leuven, UZ Leuven, KBC, Commscope, STUK, Paridaensinstituut, VME Leeuwerikenveld, Abdijschool Vlierbeek, De Zevensprong, Heilig Drievuldigheidscollege, Dialoog, De Twijg, Imec, Re-Investo, SWaL, MPC Terbank, De Spiegel

• New NZEB-buildings: ‘t Wisselspoor, Booghuys, Vlierbeekveld• Complete renovation with repurposing: Comenius, Station Wijgmaal• Renovation thermal envelope: Schorenshof, Leeuwerikenveld, Camilo Torres, STUK

• Stability- and electricity studies PV-cells: Politiehuis, Commscope, Museum M, KU Leuven• Screening boiler rooms: Dijledal (7), Imec• Potential scans buildings: De Twijg, Zevensprong, Comenius, Imec, Libertad/Kokoon/New Mexico,

Dijledal (6)

• Glazing, roof- and wall-insulation: Commscope, MPC Terbank, HDC, De Spiegel• Renovation HVAC: HDC, Paridaens, Stadhuis, Minnepoort, Tweebronnen, MPC Terbank• Energy plan: UZ leuven, Onderzoek & navorsing• Study passive techniques summer comfort: Facilitaire diensten Zorg• LED public lighting Grote en Oude Markt

L.E.U.V.E.N. – the start off program 2 ?

The L.E.U.V.E.N. - project is co-funded by theEuropean Union

From 2020 on, every buyer or renovator is contacted with sustainable building

advice.

From 2025 on, yearly 1.600 owners are approached actively?

60% off the residential units receives a complete energy makeover by 2050.

40% gets a partial renovation. Remaining energy demand will be renewables only.

The challenge

LEUVEN

101.488 inhabitants

87.317 dwellings29% single family houses

27% flats

Rest: small entities, variety mix

31.800 residential buildings24.000 single family houses

5.000 condominiums

Rest: mix functions 1.000 renovations

each year

3 x current renovation rate

3 x building advice

3 x architects, EPB reporters

3 x building permits, administration,

3 x financing

3 x construction sites3 x materials3 x constructors (qualitative)

1.000 renovations

each yearThe challenge

3 x building-as-usual, really???Or …

Energy efficiency in parallel with:Building advice-efficiencyPermit-efficiencyProcurement-efficiencyConstruction site-efficiencyFinancing-efficiencyCollectivity

yearly investment

350 to 400.000.000€

Net cost savings versus investment

Bron: Johan Coolen Factor 4

Project or development funding?

Project?

Investment can be financed with (energy) savings/gains of the project.

Duration 5 to 10 years

Development?

More than energy savings: fundamental changes, patrimonial value, maintenance

Long term vision