Table Of ContentEndorsements 
“Henrik Schoenefeldt has made fascinating discoveries of many hitherto unknown 
features of this complex system. Dr Reid produced one of the earliest forms of ‘stack 
ventilation’ which has until now been an underappreciated aspect of this remarkable 
building. 
We learn how the architecture of the palace was infuenced by the ventilation  
system and how the architect and the ‘Ventilator’ as Reid was known, came to  
disagree to the point at which the system itself had to be divided between architect  
and engineer. 
This is a vital study of the inner workings of a building which is being analysed 
overall in preparation for a major programme of reftting, repair and conservation. 
It will be interesting to see which – if any – of Reid’s original principles, either of a 
mechanical or natural type, explained so clearly here by Dr Schoenefeldt, could be 
adopted in the forthcoming programme of works.” 
Adam Watrobski, Principal Architect of the  
Houses of Parliament 
“Having been shown by Henrik Schoenefeldt at first hand several of the origi-
nal flues and passageways and how they were used, I have eagerly awaited  
this book. It succeeds on all levels. He has investigated dozens of ventilation  
ducts, how they work, how they were operated and who operated them. One  
of the intriguing discoveries was the surprisingly modern concept of seeking  
‘feedback’ from MPs and Peers post-occupancy to inform how the system was  
functioning. 
The ventilation system has always been hidden because the intention was to conceal 
every vestige of the thousands of fues, the steam engines, fans and even the air 
inlets and outlets by using the glorious decorative details covering every surface. By 
employing the latest BIM modelling, the original features of the system, even those 
parts since lost – including those for the original Commons Chamber destroyed dur-
ing World War II – may now be fully appreciated.” 
Dr Mark Collins, Estates Archivist at the  
Houses of Parliament
Henrik Schoenefeldt’s research provides a unique insight into the development, con-
struction, and maintenance of the Palace of Westminster. The personal, political, 
and engineering challenges that emerged from the early nineteenth century until 
today are expertly detailed and expounded upon. This research will be a vital asset 
as MPs and Peers evaluate how best to preserve and restore the Palace for genera-
tions yet to come.” 
Rt Hon Sir Edward Leigh, MP for Gainsborough 
“A fascinating account of how David Boswell Reid infuenced the design of the 
Palace of Westminster. Previous studies have tended to dismiss Reid as a crank 
whose grand ventilation scheme did not work, but Professor Schoenefeldt dispels 
that view through archival research and study of the hidden structure of the Palace: 
many of the “Gothic” towers and turrets of the Palace we see today were built to 
disguise Reid’s ventilation stacks; his pioneering experiments with the temporary 
parliamentary chambers were highly infuential on later Victorian buildings; and 
elements of his system remained in use for over 90 years. 
Schoenefeldt also sees implications for the long-overdue restoration of the Palace. 
Reid understood that ventilation is the key to health and well-being in a heavily used 
public building and tried to maximise natural as opposed to mechanical ventilation. 
Two hundred years later, Reid’s ideas point the way towards sustainability and low-
energy design.” 
Dr Richard Ware, Adviser on Parliamentary Relations,  
Restoration and Renewal Sponsor Body 
Ware was former director of the Palace of Westminster Restoration and Renewal 
Programme from 2013 to 2016. 
“The Palace of Westminster, built in the middle decades of the 19th century, was an 
engineering tour de force, designed and completed at the height of Britain’s indus-
trial revolution. The work of Charles Barry and A.W.N. Pugin, and of their crafts-
men collaborators, has formed a cornerstone in our understanding of design history 
since the time of its completion. This focus on its aesthetic qualities has sometimes 
been to the detriment of appreciation of the Palace as a pioneering modern, fully 
serviced building and an outstanding technical achievement of its time. 
As our understanding of cultural heritage has expanded beyond architectural history 
in recent decades to include wider environmental, social and economic values, so the 
role of historic engineering in the context of built heritage has been re-evaluated and 
given new prominence. Henrik Schoenefeldt’s  outstanding study illuminates the his-
tory, function and performance of the heating, cooling and ventilation of the Palace 
of Westminster. In this book the work of the enterprising physician, Dr Boswell 
Reid, who designed the Palace’s ventilation systems, which were largely realised 
in the completed building, emerges vividly as the pioneer of modern engineered 
building services. Schoenefeldt’s work provides a new narrative on the architectural 
heritage of Britain’s most famous building, and is particularly timely in the age of 
climate emergency, when the need for zero carbon solutions calls once again for new 
approaches to the design of conditioned environments.” 
Patrick Duerden, Conservation Architect and  
Practice Director, Donald Insall Associates
Rebuilding the Houses of Parliament 
Rebuilding the Houses of Parliament explores the history of the UK Houses 
of Parliament in Westminster from an environmental design perspective, 
and the role David Boswell Reid played in the development of the original 
ventilation and climate control system in Parliament. 
This book retraces and critically examines the evolution of the envi-
ronmental principles underlying the design of the Houses of Parliament, 
engaging with fundamental questions about air quality, energy effciency 
and thermal comfort. This yields insights into the historic methods of envi-
ronmental design that were characterised by physical experimentation and 
post-occupancy evaluation. Rebuilding the Houses of Parliament examines 
the history of the buildings’ operation, studying the practical reality of its 
performance in use and offers the opportunity to refect on current chal-
lenges faced by architects and engineers adapting to the realities of climate 
change. 
This book is an ideal read for academics, politicians and practitioners 
with an interest in architectural history and heritage, theory, engineering 
and conservation. 
Henrik Schoenefeldt  is Professor of Sustainability in Architectural Heritage 
at the University of Kent in England, National Teaching Fellow and AHRC 
Leadership Fellow. He trained as an architect and specialised in environ-
mental design with an MPhil and PhD from the University of Cambridge. 
His main research interest is in historic principles of environmental design, 
both as a feld of scholar research and architectural practice.
Routledge Research in Architecture 
The Routledge Research in Architecture series provides the reader with the 
latest scholarship in the feld of architecture. The series publishes research 
from across the globe and covers areas as diverse as architectural history 
and theory, technology, digital architecture, structures, materials, details, 
design, monographs of architects, interior design and much more. By mak-
ing these studies available to the worldwide academic community, the series 
aims to promote quality architectural research. 
The Complexities of John Hejduk’s Work 
Exorcising Outlines, Apparitions and Angels 
J. Kevin Story 
Writing Architecture in Modern Italy 
Narratives, Historiography and Myths 
Daria Ricchi 
The Resistant Object of Architecture 
A Lacanian Perspective 
Petra Čeferin 
Rebuilding the Houses of Parliament 
David Boswell Reid and Disruptive Environmentalism 
Henrik Schoenefeldt 
Le Corbusier in the Antipodes 
Art, Architecture and Urbanism 
Antony Moulis 
Kenosis Creativity Architecture 
Appearance through Emptying 
Randall S. Lindstrom 
For more information about this series, please visit: https ://www  .rout ledg  
e.com/ Routl edge- Resea rch-i n-Arc hitec ture/ book- serie s/RRA  RCH
Rebuilding the Houses of 
Parliament 
David Boswell Reid and Disruptive 
Environmentalism 
Henrik Schoenefeldt
First published 2021 
by Routledge 
2 Park Square, Milton Park, Abingdon, Oxon OX14 4RN 
and by Routledge 
52 Vanderbilt Avenue, New York, NY 10017 
Routledge is an imprint of the Taylor & Francis Group, an Informa 
business 
© 2021 Henrik Schoenefeldt 
The right of Henrik Schoenefeldt to be identifed as author of this 
work has been asserted by him in accordance with sections 77 and 
78 of the Copyright, Designs and Patents Act 1988. 
All rights reserved. No part of this book may be reprinted or 
reproduced or utilised in any form or by any electronic, mechanical, 
or other means, now known or hereafter invented, including 
photocopying and recording, or in any information storage or 
retrieval system, without permission in writing from the publishers. 
Trademark notice: Product or corporate names may be trademarks 
or registered trademarks, and are used only for identifcation and 
explanation without intent to infringe. 
British Library Cataloguing-in-Publication Data 
A catalogue record for this book is available from the British Library 
Library of Congress Cataloging-in-Publication Data 
A catalog record has been requested for this book 
ISBN: 9781138741522 (hbk) 
ISBN: 9781315182803 (ebk) 
Typeset in Sabon 
by Deanta Global Publishing Services, Chennai, India
This book is dedicated to my wife, whose love, care and 
companionship has sustained me, and Professor Alan Short, 
University of Cambridge, who has strongly infuenced my 
work.
Contents 
List of fgures   xi 
Acknowledgements   xvii 
Foreword by Dean Hawkes   xix 
Preface   xxi 
Introduction   1 
PART I 
The experimental phase: 1835–39   15 
1   The origins of an empirical approach to design: 1832–36   17 
2   Reconstructing the temporary Houses of Parliament: 1835–51   36 
3   Testing the theory under real-life conditions   55 
PART II 
Attempted application: 1840–46   75 
4   A tentative master plan for ventilating the Palace of Westminster   77 
5   Reid’s original proposals for the  two debating chambers: 1842–46  103 
PART III 
Realisation within new borders: 1847–54   135 
6   Barry’s system in the House of Lords: 1847–54   137 
7   Towards an independent system for the House of Commons   170