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Natural ventilation: Mittal Children's Medical Centre, London

One of four case studies examining the use of natural ventilation in health centres


Mittal Children’s Medical Centre (GOSH), London, Llwewelyn Davies Yeang

Completion date 2012
Services engineer WSP Buildings
Gross internal floor area (phase 1) 13,860m2
Predicted annual CO2 emissions/m2 99kg
NEAT Excellent 77 per cent (at Stage D)

The Mittal Children’s Medical Centre in Great Ormond Street Hospital (GOSH) consists of two linked buildings with wards, operating theatres, offices and a restaurant. The first phase is on site.

Patient wards will have mixed-mode ventilation operated by the building management system with a manual override. In mid-season, the operable upper quarter of the window will enable fresh air intake. Air will be extracted by mechanical vent-ilation in the en-suite bathrooms. In summer and winter, windows remain closed and chilled beams provide comfort control.

A glazed vertical ventilation shaft is a major feature of the new building’s street elevation. This chimney serves the ground-floor restaurant and provides
a buffer zone to evacuate solar gain from the facade.


For more case studies, see:

Natural ventilation: Pembury Hospital, Kent

Natural ventilation: Akerman Road Primary Care, London

Natural ventilation: Alltwen Community Hospital, Wales


Readers' comments (2)

  • Flavia Machado

    Very interesting
    There is a great brazilian architect called João Filgueiras Lima that has been doing hospitals with natural illumination and ventilation with low cost since 1989.
    It´s a good example that hospitals can be sustainable and economically viable.

    Unsuitable or offensive?

  • It's critical for hospitals to be energy efficient.
    A sustainable hospital is a way of giving life
    back to patients.This a good example

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