Our surveyors have a range of skills and experience but all share the company ethos of providing sensible practical advice with a personal touch.
We believe in recruiting excellent people and investing in their development and continued improvement for the benefit of our clients. We pride ourselves on the longstanding nature of many of our client relationships.
Patrick Crowther - Managing Director

Patrick is a chartered building surveyor who qualified in 1995. The early years of his career were spent with large practices in London’s West End but, in 2001, he became a partner in Crowther and Co, which subsequently became Crowther Overton-Hart. As well as managing the business, Patrick also undertakes professional work, particularly (but not exclusively) dilapidations, party walls and building surveys.

Patrick is a trained assessor for the RICS Assessment of Professional Competence (APC), He is an active member of the Sussex branch of the Pyramus and Thisbe Society which promotes excellence in party wall practice.

In his spare time Patrick enjoys watching sport and is a member of his local rugby and cricket clubs.

Robert Harris - Director

Robert is a chartered building surveyor who qualified in 1989. His experience extends across properties ranging from commercial, industrial, rural and residential, including listed and historic buildings.

Robert has extensive experience as a contract administrator under JCT forms of building contract. With a strong grounding in the legal aspects of professional services, his specialist professional roles include acting for landlords and tenants in dilapidations claims and he has also acted as an Expert Witness.

Robert is a member of Pyramus and Thisbe Society for party wall surveyors and has negotiated party wall awards for commercial and residential property owners in London and the South East.

Robert is a former assessor for the RICS Assessment of Professional Competence (APC), and has successfully mentored graduate surveyors through the RICS APC process.

A keen bowls player, he has represented Sussex on the indoor and outdoor greens. He is a volunteer for RNIB, enjoys cycling and is a fan of motor racing.

Andrew Coleman - Associate
BA (Hons) PgDip MRICS

Andrew is a chartered building surveyor. He is experienced in all types of surveying work and as well as occasional private client work he is lead surveyor for a number of our management clients. Prior to joining us he worked for a national surveying firm covering projects throughout south east England, predominantly for estate and portfolio clients.

Andrew lives on the South Downs and enjoys walking and cycling around his home. He is also a keen amateur photographer.

Cathy Haines - Senior Building Surveyor

Cathy qualified as a Chartered Building Surveyor in 2013 having previously completed a Masters degree in surveying. She is a Member of the Association of Project Safety and is also a graduate of the RICS/SPAB Conservation Summer School.

Cathy is experienced in all aspects of building surveying work and is COH’s main advisor on the Construction (Design and Management) Regulations 2015.

In her spare time Cathy helps lead the youth group at her local church, and also enjoys travelling and photography.

James Linazasoro - Building Surveyor
BSc (Hons)

James is a part-qualified Building Surveyor who joined us in 2021 having completed his four-year sandwich course at University of Brighton. He spent his year out in industry working with a building surveying company in Kent.

In his spare time, James enjoys watching and participating in sports activities, particularly cricket. He is also currently undertaking the Gold Duke of Edinburgh Award.

Jonathan Brooking - Building Surveyor
(part-qualified) BSc

Jonathan graduated from the University of West London in 2021 with a degree in building surveying. He commenced his training towards becoming a chartered building surveyor in the London office of a national consultancy, before joining our team in 2023. Away from work Jono is a keen rifle shot, having competed at international standard, and also has an interest in cookery.

Carla Enticknap
Receptionist and Team Secretary

Carla is our receptionist and team secretary.


We are currently seeking a chartered building surveyor or senior building surveyor to join our team; please apply to Patrick Crowther in confidence
Want to work with us?
We are always interested in expanding our team by recruiting excellent building surveyors. All staff benefit from an interesting and challenging workload, in a pleasant environment, and funded training and Continuing Professional Development (CPD).

We offer excellent coaching and mentoring for trainees. As experienced Assessors for the RICS, Patrick and Robert can offer valuable support and insights into the process of becoming qualified.

Please get in touch if you would like to find out more.
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