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A step in the direction towards CO2-neutral energy supply to the Elbe Islands

Top Climate Plan - Neuenfelder Straße 107

Bauarbeiten im Oktober 2012, Bild: IBA Hamburg GmbH / Martin Kunze Bild: IBA Hamburg GmbH / Bente Stachowske Bauarbeiten im Juni 2012 – Prima Klima-Anlage – Neuenfelder Straße 107, Bild: Martin Kunze Bauarbeiten im Juni 2012 – Prima Klima-Anlage – Neuenfelder Straße 107, Bild: Martin Kunze Bauarbeiten im April 2012 – Prima Klima-Anlage – Neuenfelder Straße 107, Bild: Martin Kunze Neuenfelder Straße - Prima Klima-Anlage, Bild: IBA Hamburg GmbH / Martin Kunze

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Top Climate Plan - 'Neuenfelder Strasse 107'


In January 2009 the Internationale Bauausstellung IBA (International Building Exhibition) Hamburg, in conjunction with its partners, launched the “Top Climate Plan: Achieving Environmentally Friendly Buildings with the IBA”.
 
In addition to carrying out model projects, the aim of the campaign was to raise awareness among property owners about energy standards and the potential for renovating their homes. In summer 2009 a total of 65 homeowners had their properties assessed by an energy consultant, and received an “IBA Excellence” Hamburg Energy Pass. The first renovation plans were put into action by late 2011, and more projects have been completed in spring 2013.
 
One of the buildings to be investigated was the property at Neuenfelder Strasse 107. This 1930s semi-detached house is typical of the type of housing found in the Kirchdorf area, and was badly in need of renovation. Only the roof had been insulated. Heating and hot water were supplied by a standard gas boiler.
 
As a result, the building had a primary energy requirement of 291 kilowatt-hours per square metre per year.
 
The following measures were undertaken to bring the property up to “IBA Excellence in Renovation Standard”:

  • Composite heat insulation on the exterior walls to comply with Passive House criteria
  • Rafter insulation in pitched roof to comply with Passive House criteria
  • Insulation of building’s base using highly insulating vacuum panels – an advanced new technique
  • Replacement of windows with triple-glazing suitable for Passive House standard
  • Installation of controlled ventilation system with heat recovery
  • Installation of condensing gas boiler with solar thermal hot water and heating support


The highly insulating vacuum panels used are technically innovative and an example of an intelligent approach to insulation of a building without an underground base.

After the building work has been completed, the property has been classed as Efficiency House standard 70, with an energy requirement 30 per cent below the standard for new buildings.

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ADDRESS

Neuenfelder Straße 107
21109 Hamburg

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SPECIFICATIONS

Year of construction:
1938

Size:
161 sqm

Energy reduction:
84 per cent

Support by IBA Hamburg:
9.000 Euro project costs

DEVELOPERS

Daniela and Torsten Kettler

INVESTORS

HH-Energieberatung
Hans-Jörg Peter

PARTNERS

Accociation Kirchdorfer Eigenheimer (VKE)