Abstract
Increasing energy efficiency of the housing stock is one of the largest challenges in the built environment today. In line with the international Paris-Climate-Change-Conference 2015, Dutch municipalities and housing associations have embraced the ambition to achieve carbon neutrality for their social housing stock by 2050. However, most deep renovation designs for increasing the energy efficiency of dwellings focus on the relatively easy portion of the housing stock: postwar row housing. Furthermore, such design solutions are mostly produced without much care for architectural quality and cultural heritage, nor for testing for consumer preferences. Yet, such aspects are of major importance in tenement housing, particularly regarding the architectural quality of the huge numbers of walk-up apartment buildings from the inter- and postwar periods owned by housing associations in the larger cities. Renovation of buildings of this typology is more complex because of, among others, technical, social, and heritage factors. To support decisions in this complex context, a General Transformation Framework and a Roadmap has been developed for generating design solutions for deep renovation of representative parts of postwar walk-up apartment buildings with the aim to increase energy efficiency; retain its architectural legibility and cultural heritage value; and allow for the presentation of (end) users, with various options for adaptation to assess their preferences.
Highlights
Most deep renovation designs for increasing the energy efficiency of dwellings focus on the relatively easy portion of the housing stock: postwar row housing. Such design solutions are mostly produced without much care for architectural quality and cultural heritage, nor for testing for consumer preferences. Such aspects are of major importance in tenement housing, regarding the architectural quality of the huge numbers of walk-up apartment buildings from the inter- and postwar periods owned by housing associations in the larger cities
Dutch walk-up apartment buildings of the postwar period are mostly owned by housing associations, and the interwar apartments are partly owned by housing associations or by the inhabitants
This research with the General Transformation Framework (GTF) and reflections dealt with balancing sustainability and cultural values in energy efficient renovation of postwar walk-up apartment buildings
Summary
Increasing energy efficiency of our housing stock is one of the largest challenges of the built environment today—a challenge that has been embraced in the Netherlands, as well as many other countries. Many concepts and design solutions have been developed for energy efficient retrofitting of the (Dutch) housing stock [5]. These solutions target different levels of energy efficiency using insulation alone, ranging from small upgrade of the energy label, most commonly up to label B, to achieving zero-energy demand, referred to as Nul-op-de-meter NOM. Most of these solutions focus on the relatively easy part of the housing stock: row-housing. In the larger cities, there is a major challenge to create attractive and feasible design solutions or strategies to walk-up apartment buildings
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