A series mining the PhD thesis “London and UK Office Buildings: Investigating Energy Use and Landlord-Tenant Influences” (Azhari, 2025). Key takeaway. Australia NABERS rates buildings on what they actually use and makes ratings mandatory for office disclosure. The UK is part-way there with NABERS-UK and the DEC, but missing the policy backbone.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Leading UK commercial landlords reported portfolio energy reductions of 38 to 73 per cent over a decade, well above the sector average, and the repeatable moves behind it are few and mundane.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. A commercial lease is energy policy in disguise: whether a landlord can refurbish, sub-meter, recover capex or oblige a tenant to share data is set by the lease, not physics.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. In a multi-let office the organisation that pays for the boiler is rarely the one that benefits from replacing it, so the split incentive shapes energy outcomes more than any building characteristic.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. Height above six storeys, post-1980 construction and electrified heating leave the clearest energy signature, but each shifts median EUI by no more than a fifth on its own.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. Before you can measure energy across thousands of offices you must decide what counts as an office. The 3DStock model joins seven public datasets into one geospatial picture.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. A linear regression across the Greater London office stock explains just 18 per cent of electricity EUI and 4 per cent of gas EUI from building characteristics alone.
A series mining the PhD thesis on London and UK office buildings (Azhari, 2025). Key takeaway. A statistical analysis of 2,654 Greater London offices finds no significant relationship between EPC band and measured energy use, which is uncomfortable for MEES, ESOS and due diligence.
A series mining the PhD thesis “London and UK Office Buildings: Investigating Energy Use and Landlord-Tenant Influences” (Azhari, 2025). Key takeaway. Thirty per cent of London office buildings above 1,000 square metres hold 85 per cent of the office floor area and consume 89 per cent of the office energy. The concentration is so extreme