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Guidance targets zero carbon in office developments

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The fourth of the five Target Zero guides, covering medium to high rise office buildings, has been published and is available for download in pdf format at

The report will be invaluable to those responsible for the design of offices and demonstrates that the 2010 Part L compliance target of reducing operational carbon emissions by 25% is readily achievable using current best practice and without incurring any additional capital cost.

The study uses a recently constructed office building as a benchmark, and investigates three priority areas of sustainable construction: operational carbon emissions, BREEAM assessment rating and embodied carbon.

The base case building for the report is One Kingdom Street, London. This is a Grade A steel-framed office building in the centre of London which was completed in 2008. The building accommodates 24,490m² of open-plan office space over ten floors; two basement levels provide car parking and storage areas.

The study undertakes a detailed comparison of different energy efficiency measures, low and zero carbon (LZC) technologies and allowable solutions in order to identify the most cost-effective means of achieving likely future carbon reduction targets.

Five non domestic building types are being analysed in the Target Zero project which is funded by Tata Steel and the BCSA. Guidance on a school, warehouse and supermarket have already been published, while the fifth guide on mixed use buildings will be published soon.


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