Theme Lead
UCL Energy Institute
Tadj has, for 34 years, undertaken energy and building research with a particular focus around the performance gap between theory and practice and the unintended consequences (health, comfort, etc.) of building energy efficiency. His first degree was in Applied Physics followed by a PhD in Solar Energy.
Tadj has been involved in over 200 research publications. He was invited to give evidence to the House of Lords Science and Technology Select Committee on Energy Efficiency, co-author two papers for the special issues of the Lancet on Energy and Health and prepare three papers for a State of Science Review for the Office of Science and Innovation. Tadj has provided research support for the development of the English and Welsh Building Regulations. He has presented at invited public and academic lectures at the Royal Society and the Royal Institution.
Buildings & Energy
Publications
- Building energy use in COVID-19 lockdowns: did much change?
- The impact of COVID-19 on household energy consumption in England and Wales from April 2020 to March 2022
- Self-reported energy use behaviour changed significantly during the cost-of-living crisis in winter 2022/23: Insights from cross-sectional and longitudinal surveys in Great Britain
- The over-prediction of primary energy use intensity by EPCs in Great Britain: A direct comparison of EPC-modelled and smart metered energy use in gas-heated homes
- The energy price crisis – issues for energy use
- Population-weighted degree-days: The global shift between heating and cooling
- Energy demand reduction options for meeting national zero-emission targets in the United Kingdom
- Survey study on energy use in UK homes during Covid-19
- The relationship between the built environment and subjective wellbeing – analysis of cross-sectional data from the English Housing Survey
- Energy efficiency: What has research delivered in the last 40 years?
- Domestic heating with compact combination hybrids (gas boiler and heat pump): A simple English stock model of different heating system scenarios
- Health care’s response to climate change: a carbon footprint assessment of the NHS in England
- Taking 3D stock: modelling the building stock and its use of energy
- The associations between thermal variety and health: Implications for space heating energy use
- Environmental Audit Committee (House of Commons) inquiry on energy efficiency of existing homes
- Building decarbonisation transition pathways
- How should energy researchers respond to the climate emergency?
- Consultation: Future Homes Standard – changes to Part L and Part F of the Building Regulations for new dwellings
- Creating domestic building thermal performance ratings using smart meter data
- Quantifying the measurement error on England and Wales EPC ratings
- Shifting the focus: 2 Reducing energy demand from buildings
- What do empirical findings reveal about modelled energy demand and energy ratings? Comparisons of gas consumption across the English residential sector
- Deconstruct: A scalable method of as-built heat power loss coefficient inference for UK dwellings using smart meter data
- Space heating operation of combination boilers in the UK: The case for addressing real-world boiler performance
- Possible future impacts of elevated levels of atmospheric CO2 on human cognitive performance and on the design and operation of ventilation systems in buildings
- Caveats for policy development when combining energy ratings, national buildings energy models and empirical statistics
- Comparison of indoor temperatures of homes with recommended temperatures and effects of disability and age: an observational, cross-sectional study
- Domestic demand-side response with heat pumps: controls and tariffs
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