Historic Estate Conservation Committee

The Historic Estate Conservation Committee monitors and advises Commission on the conservation and maintenance of the properties within the National Heritage Collection.

Membership

Katy Lithgow - Chair

Nairita Chakraborty
Nick Cox
Bob Croft
Tobit Curteis
Ulrike Knox
Andrew Lawrence
Simon Malam
Robert Sackville-West
Sarah Staniforth CBE

Observers

English Heritage Trustee: Dorian Proudfoot

English Heritage Trustee: Sir Jonathan Marsden KCVO, FSA
(also Historic England Commissioner)


Biographies

Nairita Chakraborty

Nairita has over 16 years of experience in heritage, townscape and design. She has experience in ensuring sustained use of historic buildings whilst delivering large scale regeneration, housing and infrastructure projects. She has produced significant work on the adaptation and conversion of large and complex listed buildings, as well as town centre, public realm, and conservation area schemes.

She has recently set up her own practice Revive and Tailor which focuses on integrating existing buildings within regeneration proposals innovatively and resourcefully. Nairita is a member of Historic England's Advisory Committee alongside Havering and Kensington and Chelsea’s Design Review Panels. She is a full member of the Royal Town Planners Institute and the Institute of Historic Building Conservation.

Nick Cox - MA (Cantab), Dip Arch, RIBA SCA, AABC

Nick has over 30 years of experience working on historic buildings. After studying architecture at Cambridge University and Oxford Polytechnic he was awarded a Lethaby Scholarship in 1990 by the Society for the Protection of Ancient Buildings (SPAB) which took him around the country studying the repair and conservation of historic buildings.

He established Nick Cox Architects in May 2006 and has since built up an established client base; Nick is the appointed Cathedral Architect at Wells and Lincoln Cathedrals and spent ten years at Winchester Cathedral where he carried out a £15million Lottery Funded project amongst other works. He is the Palace Architect at Blenheim Palace and retained Architect to The Goldsmiths’ Company. He is also the appointed Architect for six churches in the care of the Churches Conservation Trust and has been advising on work for the National Trust at many of their properties for several decades.

In addition to being registered with the Architects Registration Board and a member of the Royal Institute of British Architects, Nick is also registered as an Architect Accredited in Building Conservation and as an RIBA Senior Conservation Architect.

Long term involvement with historic buildings and the SPAB (previously as Trustee, Vice-Chairman and Guardian) means that Nick is very well versed in the philosophical issues relating to repair, change and adaptation of historic buildings as well as the practical application of this. He is a member of the National Trust Specialist Advice Network and sits on the NT Historic Environment Advisory Group. Nick also sits on Gloucester Cathedral Fabric Advisory Committee and Historic England Historic Estate Conservation Committee.

Bob Croft

Bob Croft first became interested in archaeology in his home county of Northamptonshire and has subsequently worked as a field archaeologist in Yorkshire, Milton Keynes and Somerset. He has over 40 years of experience in local authority archaeology services and was the first chair of the Association of Local Government Archaeological Officers from 1996 to 1999.

Bob was a part-time tutor for Bristol University Archaeology Department and has worked in Somerset for over 30 years as the County Archaeologist. He is currently Head of Historic Environment and Estates for the South West Heritage Trust, an organisation delivering the local authority heritage services in Somerset and Devon.

Bob is a Fellow of The Society of Antiquaries, a Member of CIfA, and a trustee of the Somerset Churches Trust. Since 1987 he has served as the archaeological advisor to the diocese of Bath and Wells and is also on the FAC for Exeter and Wells Cathedrals.

Tobit Curteis

Tobit Curteis is the Managing Partner at Tobit Curteis Associates LLP and specialises in the conservation of wall paintings, architectural structures and collections, and the investigation and control of historic building environment.

Tobit is a Fellow of the Society of Antiquaries and of the International Institute for Conservation. He is an accredited member of the Institute of Conservation, the Advisor on Wall Paintings for the National Trust, and a consultant and research collaborator for Historic England.

Recent projects include research and development for conservation and environmental controls at St Paul’s Cathedral, The Old Royal Naval College, Greenwich, The Palace of Westminster, York Minster, the Hypogeum Hal Saflini in Malta and the archaeological sites at Paphos, Cyprus. He regularly publishes and lectures on environmental and conservation issues.

Ulrike Knox

With over 30 years of experience, Ulrike is a specialist conservation architect and historic buildings consultant. She founded Knox McConnell Architects, a practice which focuses on the conservation, sustainable development, and management of historic environments, primarily in Northern England.

Ulrike is the appointed Surveyor of the Fabric for Carlisle Cathedral and Cathedral Architect for Bradford and Manchester Cathedrals. She was also architect for major projects at cathedrals such as St Paul’s in London, Liverpool, and Lichfield. A leader in sustainable heritage, she installed the first solar panels on an English Cathedral at Bradford in 2011. She has also been the lead consultant for projects at secular Grade I listed sites such as Towneley Hall Museum and Gallery, Gawthorpe Hall, and Brocklesby Park Estate.

Her contribution to architectural heritage includes roles as a commissioner for the Cathedrals' Fabric Commission of England, a member of the Fabric Advisory Committee for Ripon Cathedral, and a specialist advisor to the Diocesan Advisory Committee for Leeds. Ulrike has also been instrumental in distributing grants and awards for bodies such as the Archbishop's Council, the Yorkshire Historic Churches Trust, and the Stone Federation of Great Britain. She is a past president of the Ecclesiastical Architects and Surveyors Association, the Bradford Society of Architects and Surveyors, and an assessor for the register of Architects Accredited in Building Conservation.

Locally in West Yorkshire, Ulrike is a trustee and co-chair of the Saltaire Village Society, and a member of the steering group for the UNESCO World Heritage Site Management Plan for Saltaire. She is also a member of the University of Bradford’s Civil & Structural Engineering Industrial Advisory Board.

Andrew Lawrence

Andrew is a Chartered Structural Engineer and a Director of Arup, where he helps lead a team of both existing building and timber specialists including structural engineers and material scientists, working on a wide range of projects both new and old, in the UK and overseas.

In the field of timber, he is also Royal Academy of Engineering Visiting Professor of Timber Engineering at Cambridge University and lead author for the new edition of ‘Appraisal and Repair of Timber Structures’ published by the Institution of Civil Engineers, which is one of the definitive works on the assessment of historic timber.

In addition, Andrew represents the UK at European level in helping to write the new cross-European regulations for both timber and existing structures.

Katy Lithgow

Katy Lithgow is an accredited conservator with over 35 years of experience in the conservation of collections and historic interiors, specializing in preventive conservation, wall painting conservation, and conservation management. She is an Accredited Conservator-Restorer (ACR) and member of Icon, a Fellow of the International Institute of Conservation (FIIC), and an external examiner for the Institute of Archaeology.

After studying Archaeology, Anthropology and History of Art at Cambridge, Katy gained a Postgraduate Diploma in Wall Paintings Conservation from the Courtauld Institute of Art, London where she returned as Course Co-ordinator following an internship at the Victoria and Albert Museum. She worked for the National Trust for over 27 years as a preventive conservator, Wall Painting Conservation Adviser, Conservation Advisers Manager, and from 2005 Head Conservator. She has also served as a Trustee of the National Heritage Science Forum, and as Chair of the PACR scheme’s Accreditation Committee, and participated in a variety of national and international research projects and networks.

Since August 2019, Katy has been freelance, consulting, publishing and lecturing on wall painting conservation, preventive conservation, conservation management, cleaning, interpretation in conservation, heritage science and sustainability, conservation ethics and professional standards.

Robert Sackville-West

Robert Sackville-West studied at Oxford University, where he read History, and at London Business School, before a career in publishing, creating illustrated books for an international market. As executive chair of Knole Estates, the property and investment company which – in parallel with the National Trust – cares for Knole, he has experience of land management, planning, conservation management, listed buildings and public access.

Since 2021, Robert has also chaired the Kent Community Foundation, which raises money for and distributes grants to, some 400 volunteer-based charities in Kent. He has been involved with education in both the private and state sector, as a governor at Sevenoaks School and Knole Academy, and as a former UK board director of the International Baccalaureate. He is Vice-Chairman of the Royal Oak Foundation, the US-based fund-raising affiliate of the National Trust.

Robert has a great interest in British history and is committed to communicating that interest. His experience at Knole led him to write two critically acclaimed books on aspects of English history: Inheritance (2010); and The Disinherited (2014). His most recent book, The Searchers (2021) is broader in scope. Telling the stories of Britain’s quest to recover, identify and honour the missing soldiers of the First World War, it tackles the enduring impact on British society of the First World War.

Sarah Staniforth CBE

Sarah Staniforth is President Emeritus of IIC (International Institute for the Conservation of Historic and Artistic Works) following six years as President from 2013 to 2019. She is a Trustee of the Science Museum Group, Blenheim Palace Heritage Foundation, SS Great Britain and Holst Birthplace Trust and a member of Historic England Historic Estates Conservation Committee, the UK Antarctic Heritage Trust Conservation Review Committee and Gloucester Diocesan Advisory Committee.

Sarah is also a Professor in Practice in the Archaeology Department at Durham University, a Director of the Landmark Trust Lundy Company, and the Historic House Hotels of the National Trust. She is a Fellow of IIC, the Society of Antiquaries, and the Royal Society of Arts.

Sarah held a number of roles at the National Trust between 1985 and 2014 including Museums and Collections Director, Historic Properties Director, and Head Conservator. Before that, she worked in the Scientific Department of the National Gallery for five years.

Sarah was educated at Oxford University where she read Chemistry, and the Courtauld Institute of Art, London where she received a Diploma in Easel Paintings Conservation.

She was awarded a CBE in the New Year’s Honours in 2015.

Observers

Sir Jonathan Marsden KCVO, FSA

Jonathan Marsden was Director of the Royal Collection and Surveyor of The Queen’s Works of Art from 2010 to 2017, having previously served as Deputy Surveyor since 1996.  Prior to this he worked for the National Trust for eleven years as a Historic Buildings Representative in North Wales and Oxfordshire.  He has served as a trustee of several arts and heritage organisations including Historic Royal Palaces, the Georgian Group, the Art Fund and the City & Guilds of London Art School.  He has published and lectured widely on sculpture and the decorative arts and is the author of the forthcoming catalogue of European Sculpture in the Royal Collection.


Meetings

Meeting dates

2025: 14 January, 1 April, 8 July, 15 October

If you would like to obtain copies of any meeting papers, please email us at governance@historicengland.org.uk


Declarations of Interest

Registers of Interest are maintained for Commission, the Historic England Advisory Committee, the London Advisory Committee and for the Historic England Executive Team. They record any significant, ongoing interest that a member may have and are reviewed by the Audit and Risk Assurance Committee twice each year.

If a member has an interest in a specific case to be discussed at a meeting this should be declared at the start of the meeting and recorded in the minutes.