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The Board of Governance for Radnor House Sevenoaks comprises Directors and Heads of School plus 6 members who are parents at the school and made up of, 2 from the Prep School, 2 from the Senior School and 2 from the Friends of Radnor House.  Each parent serves on the Board for two years from the time of their appointment.  This mix brings a unique wealth of variety, knowledge and input to the Board of Governance.

The Board of Governance meets termly with the aim of advising the Directors on the effectiveness of the School with regard to meeting its aims and implementing its development plan. Members help Directors to support the Head and the School and also advise in holding it to account. 

All members of the Board of Governance can be contacted confidentially through Louise Lay at

Colin Diggory - Non-Executive Chairman


Colin Diggory is a former Headmaster, recently retired after 8 years as Head of Alleyn's School (IAPS, HMC), Dulwich, and 11 years as Head of Latymer Upper School (IAPS, HMC), Hammersmith; with 34 years experience of teaching in the independent sector (Manchester Grammar; St. Paul's; Merchant Taylors' Northwood; Latymer Upper; Alleyn's). After graduating from Durham University with a 1st Class Honours in Mathematics, he achieved his Masters Degree through the Open University and was awarded a Vice-Chancellor Award for Education and Language Studies for his Doctorate of Education.

Colin Diggory was a Chief Examiner at A level; an Ofsted assessed Lead Inspector of Independent Schools, and continues to provide thought-leadership for the sector through public speaking and writing. Should you wish to contact Colin in his capacity as Chair of the Board of Directors, please contact him via the school address below.

Jo Paton- Non-executive Director

 BA (Hons) PGCE 

Jo is currently a qualified teacher working in a local Multi Academy Trust and was formerly a solicitor with Schillings and Partners.  Jo grew up locally, attending Bromley High School GDST where she was Head Girl.  After graduating from the College of St. Hild & St. Bede, Durham University with BA Honours in English Literature, she completed her Postgraduate Diploma in Law at the College of Law, Guildford, followed by the Legal Practice Course with the College of Law, London.  After a two year training contract with Schillings and secondment to Jamie Oliver's legal team, she qualified as a solicitor with Schillings, specialising in high profile litigation representing HNWIs, high profile companies and public figures.  After taking a career break to raise her family and support the establishment of Radnor House as well as taking on charity trustee roles, Jo worked as a Teaching Assistant and subsequently completed her PGCE.  Jo's three children attend Radnor House Sevenoaks.

Fraser Halliwell- Head of Radnor House Sevenoaks


Fraser graduated from Bristol University in 1995 having studied Psychology and Zoology and, following his teacher training, taught for ten years in North Somerset.  In order to satisfy a wanderlust, Fraser moved to Bogotá, drawn by the magical realism of Colombia’s literature, the biodiversity and the challenge of learning Spanish.  He served the community of the prestigious Colegio Anglo Colombiano for 11 years, seven years as Head of Secondary with a focus on values-based education and academic excellence.  Fraser joined Radnor House Sevenoaks in August 2019 as Executive Principal, and became Head in August 2020, he is happy to have returned to the UK to be closer to family, friends and familiar cultural and sporting experiences.

George Penlington - Head of Senior School

BA, Dip Teaching

Graduating from Otago University, New Zealand, with a Bachelor of Arts degree in Art History, George completed his teaching qualification at the Christchurch College of Education, New Zealand. He started his career at New Plymouth Boys’ High School (NZ), teaching English and Art History. He was also the Arts Coordinator and a boarding master.

Moving to the UK, George briefly taught English at Hurlingham and Chelsea, before taking up a permanent position at Bearwood College in Wokingham. There for 13 years, he was an Assistant Boarding Housemaster, a Day Housemaster, Head of the Prep School, and, for the final seven years, Academic Deputy. A keen sportsman, he is relishing his position of Head of Senior School at Radnor House Sevenoaks, as it affords him the opportunity to further strengthen the already excellent Co-curricular programme. 

Emma Margrett- Head of Prep School

BA (Hons), MA, EdD, CCRS, FCCT  

As an undergraduate, Emma read Theology and Religious Studies at Bristol University. She then worked in international trade finance for several years before studying for an MPhil in Development Studies at Pembroke College, Oxford.  Having realised that her true vocation lay in teaching, she returned to London and completed her PGCE in 2001 after training at King’s College London. After completing an MA in Religious Education at King’s College, London in 2006.  She went on to teach at Benenden School and Mayfield School. As Deputy Head at Lingfield Prep from 2013, she had had responsibility for the academic direction of the school. She then moved to St Edmund’s Canterbury in 2018 to take up the role of Head of Junior School where she was also Headmistress for the Choristers at Canterbury Cathedral.  Emma was selected to train as an ISI Inspector in 2014 and has worked on a number of inspections for ISI since that time.  She completed a Doctorate in Education in 2017 and was recognised as a Fellow of the Chartered College of Teaching in 2019 for her contribution to the profession. Emma is actively involved in the Performing Arts- performing in countless productions and singing for pleasure she also has a keen interest in making and icing wedding and celebration cakes.  Emma is married to Steve and they have two children and Vincent the cat who only has one ear.  

Esther Wright- Head of Student Support and Designated Safeguarding Lead (DSL)


MA (Hons) PCGE

Graduating from the University of St Andrews in  Ancient History and Archaeology, Esther initially stepped into leadership in a post degree sabbatical role as Vice President of the Students Association. Finally, cutting her student ties, she entered the digital world of Direct Marketing, where she worked for a number of high profile agencies and latterly managed client accounts for Dell EMEA and Asia Pacific regions. Realising that her passions lay more with History, in 2007 Esther decided to follow the family career path into teaching and took up a PGCE with History specialism at Canterbury Christ Church, joining Radnor House Sevenoaks in 2009 as Year 4 class teacher. In 2012 Esther took up the post of Deputy Head of Prep, and Head of Prep and Nursery in 2013, and in 2017 became Head of Student Support across the whole school. Esther believes it to be a privilege to work with the children, families and staff of Radnor Sevenoaks.  She is hoping that at some time this year she will resume her not so secret hobby of historical re-enactment; she thinks that Beechwalk would be an excellent site to re-enact the Battle of Hastings!

Prep School Parent- Andrew Barden

Andrew has been on the Board of Governance since March 2021 and has two children in the Prep School and one child in the Senior School. 

Senior School Parent- Julie Elder

Julie has been on the Board of Governance since March 2021 and has a son in the Senior School.

Senior School Parent- Emily Simons

Emily has been on the Board of Governance since March 2021 and has a daughter in the Senior School.

Friends of Radnor House Sevenoaks (FoRH7)

Liz Baker (Chair of FoRH7) has two sons at the school, one in the Prep School and one in the Senior School. 

Helen Beckerson (Treasurer for FoRH7) has a daughter in the Prep School and a daughter in the Senior School. 

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