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103-104 St John's Wood Terrace
St. John's Wood

Sales Team


Simon Mautner

B.Sc. (Est. Man)
Executive Chairman

Simon was born in St John’s Wood, lived in St John’s Wood and in 1983 became a Winkworth Franchisee based in the then office at 103 St John’s Wood Terrace. In 1985 Simon became the first Winkworth person to sell a house for £1million which was in The Bishop’s Avenue. He then sold the office in 1991 and became a residential property advisor to a substantial family office. In 2012 the family office acquired the franchise of Winkworth St John’s Wood appointing Simon as Chairman. Simon is a qualified surveyor and has a B.Sc. in Estate Management from the University of the South Bank.


Neil Sloam

Managing Director Sales

Neil grew up in St John's Wood and has been associated with the area for over 50 years, his high standards of service underline his business ethics and is one of the reasons why his clients always return to him. Away from the office Neil is a keen tennis player and enjoys time with his wife and son.


Simon Kyriacou

Associate Director

Simon boasts over 25 years' experience within the property sales industry and is a long standing member of the Sales Team. Simon has a calm and collected manner which endears him to his clients, he displays a proactive and organised approach to all property affairs. Simon is also a qualified member of the NAEA. Always enjoying a challenge in life, Simon is a keen skier but away from the slopes you will find him enjoying a walk with his wife, three children and his dog.


Ben Curtis

Sales Department

Ben has worked selling and acquiring property in the area for 12 years, having previously studied law, and is a qualified member of the NAEA. He has extensive experience in the Central London property market, in particular prime North West London. Ben is both personable and knowledgeable with impressive negotiating skills and in his spare time enjoys motorcycling, cycling and boxing.


Dominic Hallett

Sales Department

Dominic has over 15 years’ experience in the property industry and has recently re-joined Winkworth having previously worked in the same office from 2009 to 2014. Subsequently, Dominic worked in property recruitment, however has now returned to his old stomping ground of St. John’s Wood, the place he loves the most and is keen to utilise his skills to help you find your next move. Away from work, Dominic enjoys a fulfilling family life and is a passionate football fan.


Tammy Kariel

Sales Department

Having recently joined Winkworth St John's Wood, Tammy is excited by the prospect of working within an experienced team. Tammy loves meeting new people and matching them with their dream homes! In her spare time Tammy enjoys exercising and socialising with friends.

Lettings Team


Scott Sheldon


Scott has just celebrated his 20 year anniversary at Winkworth St John's Wood. During those years Scott has developed strong relationships with a large number of property consultants, individual and corporate clients. Scott has built a loyal following with Corporate Relocation Agents based on an honest and open approach and an understanding of their clients requirements. Scott has built long term relationships with a huge number of landlords who entrust their assets to him and his team by delivering high rents from top quality tenants. A devoted family man with two children, Scott is a passionate Arsenal supporter and a voracious reader.


Daniel Avci

Lettings Department

Daniel is a loyal and valuable member of the lettings team and has enjoyed 14 successful years at Winkworth St John's Wood and has a combined 18 years in the North West London property market. Daniel's open and honest approach has endeared himself to landlords and tenants alike, his in depth knowledge of the local market aligned with a professional approach has all contributed to Daniel's highly regarded reputation. A devoted family man with two children, Daniel is a keen cyclist and a dedicated Arsenal supporter.


Marc Lewis

Lettings Department

Marc joined Winkworth in 2015 and quickly gained a reputation as a calm and well informed negotiator. Marc has proved himself adept at dealing with tenants and landlords alike offering great attention to detail and understanding his client's needs. Having completed his ARLA qualification, Marc has displayed a great understanding of the complexities of being a modern day lettings negotiator. Marc enjoys time away from the office with his wife and two sons.

Office Administration


Natasha Craig

Associate Director

Natasha joined Winkworth St John's Wood in 2011. Her extensive and diverse skills are absolutely essential in the running of this busy office which is consistently Winkworth's most successful. Natasha has developed a truly comprehensive understanding of lettings and sales over the years and is an integral part of our business ensuring its compliance with ever increasing regulation. With her friendly tone and happy demeanour, Natasha is easily approachable and unshakably confident.


Nicola Blake

Senior Team Secretary

Nicola joined the Winkworth team in 2014 and with her can do attitude and crucial organisational skills she has become a key player in ensuring the smooth running of our lettings business. Nicola has completed her ARLA qualification. In her spare time Nicola is an avid reader and loves to spend time with her family on the Isle of Wight.


Reece Portugal

Team Secretary

Reece is the newest member of the St John’s Wood team bringing with her 7 years’ experience within the property industry. Reece has a keen eye for details and her meticulous organisation skills ensure the office runs efficiently. When she is not in the office Reece has a keen passion for art and enjoys spending time with her cat Bagheera.



Robbie Williams

BA (Hons)
Financial Controller

Not to be confused with that singer, our latest recruit to Accounts, Robbie, brings with him 25 years of varied accounts experience, including 12 years spent in the London residential property sector. When not pouring over spreadsheets, you will find Robbie engrossed in the latest Scandi thriller or at the security line at Heathrow off on his next adventure (81 countries visited, so many more still to go!).


Nechar Ali

Accounts Assistant

Nechar joined the Winkworth accounts team in December 2014, bringing with him over 18 years of experience working in property accounting through social housing associations and investment banking. He is a qualified Accounting Technician (MAAT). Nechar enjoys spending his spare time with his family and friends.


Monica Fleary

Accounts Assistant

Monica, joined the team in 2015, she brings with her over 25 years of experience working in accounts for various organisations. Monica is an Accounting Technician (MAAT). Monica is easily approachable and very helpful and spends a great deal of her spare time doing voluntary work.

Property Management


Matthew Higson

Head of Property Management

Matt has been Head of the Property Management for over 10 years and has seen both the portfolio and his team double in size. The team deal with all eventualities during the course of a tenancy, delivering a swift and professional service for landlords and tenants whilst ensuring a balanced and fair outcome.


Agnieszka Kostanowicz

Senior Property Manager

Aggie has been working in the property industry for five years before joining the Winkworth Property Management team in 2015. She offers a responsive and professional service to landlords and tenants alike, her calm manner and easy disposition enables her to deliver a positive resolution to both parties. In her spare time she enjoys reading, travelling and yoga.

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