AUSPICIOUS GREEN RETROFIT STRATEGIES IN TWO-STORY TERRACE HOUSES: CASE STUDY OF PETALING JAYA SELANGOR MALAYSIA

The surge of terrace house retrofitting practices has evoked sustainability concerns among the construction players. With the popularised means of upgrading the house condition, green retrofit becomes critical to achieving sustainable retrofitting among the existing residential building. Hence, this study aims to evaluate the potential application of green retrofit strategies in a two-story terrace house. The investigations were made concerning the Petaling Jaya District housing development. This thorough investigation involved analysing the retrofitting behaviour of over 2,946 cases leading to the key building components for applying the green retrofit approach. The outcome of the analysis shows that despite the common practice of retrofitting, the result mostly does not depict the implementation of a green approach in which the majority of upgraded works only reached the second degree – only 30% of improvements involved. The high rate of upgrading actions initiated depicts an immense potential for green retrofit strategies to be administered among the existing residential building stock, taking the measures towards more enforceable roles in pushing the country's low carbon movements forward.