Väla Gård

Owner: Skanska Sverige AB
Architect: Tengbom
Energy concept: Net ZEB
Location: Helsingborg (Sweden)
Construction Date: 2012
Key technologies

Well insulated and air tight
Balanced ventilation with heat recovery
Ground source heat pump
Photovoltaic panels

 

 

LIFE CYCLE COSTS

 

 

 

 

 

WLCC (40)

MAINTENANCE

MAINT./INVEST.

LCC (40)

ENERGY (40)

RES/LCC

 

 

5.548.872 €

916.519 €

30%

4.588.972 €

576.689 €

3%

​​ 

 

INVESTMENT COSTS

Investment Costs

Design Costs

Building site​​ 

management

Construction Costs

2.940.069 €

319.000 €

228.650 €

2.894.449 €

 

Impact of nZEB technologies on the investment cost

Construction cost [€]

2.894.449 €

RES

6%

HVAC

25%

DHW

1%

VMC

12%

Heating

11%

Windows

6%

Final Energy Consumption

Energy demand heating [kWh]

5.631

Energy demand cooling [kWh]

2.398

Energy demand DHW [kWh]

4.677

Household elt. + aux. [kWh]

4.028

Annual RES generation [kWh]

-

Annual CO2​​ Emissions [kgCO2]

3.750

BREAKDOWN OF THE UNITARY LCC

 

 

 

 

 

 

 

 

 

LCC (40)

2931 €/m2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Investment

1620 €/m2

 

 

 

 

Design

25 ​​ €/m2

 

 

 

Preliminary

151 €/m2

 

Definitive

 ​​ ​​ ​​​​ - €/m2

 

Executive

126 €/m2

 

 

Materials

1012 €/m2

 

Building Elements

439€/m2

Building Services

403€/m2

Construction

1595 €/m2

 

 

RES

 ​​​​ 70€/m2

Other

100 €/m2

 

 

 

 

Labor

592 €/m2

Building site management

- €/m2

 

 

 

 

Operation

1034 €/m2

 

 

 

 

 

Energy

78 €/m2

 

 

Consumed

296 €/m2

 

Heating

64 €/m2

Cooling

​​ 12 €/m2

DHW

 ​​​​ 6 €/m2

Household el.+ aux.  ​​ ​​​​ 114€/m2

Produced

21 €/m2

 

 

Maintenance

956 €/m2

 

Envelope

197 €/m2

 

HVAC

643 €/m2

 

RES

 ​​​​ 69 €/m2

 

 

 

 

Other ​​ 48 €/m2

 

 

 

Energy

PV installed power: 67.5 kWp
Annual RES generation (primary energy): 101 kWh/y
(105 % coverage Primary energy need*)
(293 % coverage Primary energy need**)

Gross heated floor area: 1670 m²
Primary energy need: 98 kWh/m2a *
Final energy consumption: 39 kWh/m2/y * 14 kWh/m2/y **
Specific heating energy use: 10 kWh/m2a
Specific cooling energy use: 1 kWh/m2a
Specific hot water energy use: 0 kWh/m2a
Specific electricity use: (excl. hot water, heating and cooling)28 kWh/m2a
Energy generation: 41 kWh/m2a (PV-panels)
* all energy use included, excl. PV generation
** excl. plug loads, lighting & PV generation