In 2012 as part of his MSc in Sustainable Building Perforamnce and Design, Oliver wrote a Thesis titled “Energy Efficient Retrofit of Victorian Terraced Houses: Minimizing Ventilation and Conduction Heat Losses”.

As part of the case study a airtightness blower door test of Vicorian Terrace was carried out and differing parts of the building fabric were sealed up to test their contributions to envelope air permeability.

Results of the airtightness test: