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Meet The Team

Tony How

FRICS IRRV Registered Valuer


Favourite building: The Old Palace at Hatfield House

Tony How qualified as a Chartered Surveyor in 1976.  He was an equity partner in Batty Stevens Good, a firm of Chartered Surveyors and Agents in West and North London.  He became a director of William H Brown in 1990, which he then bought out with David Moon in 1998.  Tony has a wealth of experience and general practice, developed from over 40 years in the industry. Some of his previous experience includes property advisory work for HSS and Cannons Health and Fitness.   Tony is property advisor to a number of charities and trusts.  He also holds a position as a trustee of a large charity and he was a former governor of Stormont School.

David Moon

DipBs F.R.I.C.S


Favourite building: Doges Palace, Venice

David Moon became chartered in 1975.  He studied at Leicester Polytechnic and began his career with the Ministry of Public Buildings and Works, moving into private practice 1978.  His chief specialisms are party wall matters and dilapidations, project management, building surveys and expert witness work.  David is a former chairman of the Pyramus & Thisbe Club and currently chairs the editorial panel for its magazine, Whispers.  He was also chairman of the Middlesex and Urban Essex branch of the Royal Institution of Chartered Surveyors.  Furthermore, David is currently chair to the Subterranean Development Bill advisory panel to the House of Lords.

David Green

BA(Hons) MRICS Registered Valuer


Favourite building: St Pancras Station

David studied Business and Real Estate Management at Oxford Brookes. He has been at Davis Brown for 10 years and is a Chartered Surveyor and RICS Registered Valuer. He deals with a diverse range of work including Valuation, professional rent reviews and lease renewals, lease extensions and property management. David also heads the commercial agency department who deal in acquisition and disposal of retained client interests and investment work.

Emma How

BSc Hons M.A.R.L.A


Favourite building: The Cathedral of Santa Maria of Palma, Mallorca

Emma comes from a family background in property.  After graduating from University in 2009, she began working as a Residential Negotiator at Davis Brown.  She qualified in the NFOPP award in Residential Letting and Property Management and became a member of the Association of Residential Lettings Agents (ARLA) in 2010.    Emma works with a variety of clients from private investors to large charities.   She has recently been instructed to work for a large family trust in W1.


Tony Guerguis

MSc (Econ) MSc MRICS

Chartered Building Surveyor

Favourite building: The Natural History Museum

Tony Guerguis studied Economics at university to Masters Level before deciding on Building Surveying as a career. He has over ten years’ experience in dealing with a broad range of Building Surveying aspects including specification writing, contract administration, dilapidations and insurance valuations. His main interest and area of specialisation is party wall matters.

Anthony Thompson


Consultant Chartered Surveyor

Favourite building: Windsor Castle

Tony studied in the dawn of time at the College of Estate Management gaining a BSc degree in Estate Management, both rural and urban options.  Following university, he worked with Knight Frank & Rutley in Hanover Square becoming Chartered in 1972.  He subsequently worked in Building Surveying and Valuation work with Chappell & Company in Mayfair and Scotchbrooks in Reading.  In 1976 he became self-employed and started the Partnership of JJ & A Thompson.  Between 1980 and 2001 he was mainly occupied with agricultural matters returning to save the building stock of the country in 2002.  Tony has been a consultant with Davis Brown since 2002 and specialises in residential and commercial building surveying, reinstatement cost assessments, preparation of specifications, contract administration and dilapidations.  He has also carried out Probate Valuations and Schedules of Condition for commercial lease purposes. 

John Eden




Favourite building: 1 Canada Square

John studied Zoology at Bristol University and graduated in 2011. He then took a Masters in Real Estate Management at Oxford Brookes and graduated in 2012. Since then John has gained experience in commercial agency and valuation and recently passed is APC.  He now works in the commercial department as a Chartered Surveyor.

Joshua Webber


Senior Residential Negotiator

Favourite building: The Colosseum 

Joshua began his career in Real Esate in NW London when he was just 16 and quickly developed his passion for property with Aldermartin Baines & Cuthbert. Here he worked for five years as a lettings negotiatior. In 2014, he moved to a West End agency and became a lettings manager after 2 and half years. Joshua has also worked for a large international agency in both sales and lettings and therefore has a good depth of knowledge in the property industry.  

Susan Battson


Residential and Commercial Property Manager
Office Manager

Favourite building: The Sagrada Família

Susan started her property career in 1985 when she set up the Residential Lettings & Sales Office for Batty Stevens Good in Museum Street, WC1.  After a short break she returned to Davis Brown as Office Manager in 1998 and has since combined her role with property accounting and more recently, property management.

Emma Stiers

BSc Hons

Residential and Commercial Property Manager

Favourite building: Palace of Versailles 

Emma has worked in property since the early 1990’s, starting off in residential property management. While Emma was completing her Land Management degree, by day release, she started to work in commercial property management, before working in facilities management in the City of London for a couple of financial institutions. Emma returned to property management in the mid noughties for a large property consultancy company dealing with commercial property held in pension funds. Prior to joining Davis Brown, Emma worked for a leasehold property management company.

Sonia Deca


Residential Property Adminstrator

Favourite building: Chrysler Building – New York 

After graduating from Hertfordshire University with a degree in Language Communications and French, Sonia joined British Waterways Property development team which ignited her passion for the property sector. Sonia then moved into Private and Corporate property management and lead a Property Administrator and Utilities team. Sonia has experience in both lettings, investment and management teams within the private real estate sector. She is now working with our residential property management team supporting the management of the AST’s and block management and building management​.

Mandy Langley


Client Accountant

Favourite building: Sydney Opera House

Mandy started her career as a cashier for Strutt & Parker where she quickly progressed to assisting with client accounts and service charge reconciliation.   Mandy then moved to Jones Lang La Salle where she further developed her service charge accounting skills.  After spending a few years with Jones Lang, Mandy then joined Collier and Madge to learn more about client accounting.   After growing specialised within her role, Mandy moved to DTZ to manage the accounts for shopping centres, before joining Davis Brown as a client accountant.

Georgina Malcolm


PA to Commercial and Residential Agency

Favourite building: The Tower of London

Georgina has worked with Davis Brown for over 10 years and provides invaluable support to the agency teams on all administative matters. She has experience working with various charity organisations and housing associations, together with private landlords, developers and investors.

Gilly Frost


PA to Tony How

Favourite building: Marine Bay Sands

Gilly Frost’s first job, following her successful completion of the LCC Private Secretary’s Certificate, was working at JCB Rocester as Secretary to the Marketing Plans Manager. She then held a number of PA positions including PA to the Chief Executive of Portman Building Society, PA to the Chairman of Jacques Vert and PA to the Senior Partner of George Trollope before joining Davis Brown to become Tony How’s PA.

Hannah Cull


Social Media Executive

Favourite building: Trellick Tower - London

Hannah has been at Davis Brown since April 2015. Understanding the importance social media plays today within business development, she has taken on a key role in expanding our social media from Twitter to Instagram and everything in between!

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