© RIBA Publishing, 2021 Published by RIBA Publishing, 66 Portland Place, London, W1B 1AD ISBN 978 1 85946 929 3 The right of Tim Gill to be identified as the Author of this Work has been asserted in accordance with the Copyright, Designs and Patents Act 1988 sections 77 and 78. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior permission of the copyright owner. British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. Commissioning Editor: Alex White Assistant Editor: Clare Holloway Production: Sarah-Louise Deazley Designed and typeset by Sara Miranda Icaza Printed and bound by Short Run Press Ltd, Exeter While every effort has been made to check the accuracy and quality of the information given in this publication, neither the Author nor the Publisher accept any responsibility for the subsequent use of this information, for any errors or omissions that it may contain, or for any misunderstandings arising from it. www.ribapublishing.com