Our practice brings together a consultancy team of talented, experienced surveyors who on a daily basis deliver successful cost effective solutions to the challenges our clients face.

Our team is dedicated to obtaining the right outcome and combine their skills in different fields to achieve this.

Darren Frias-Robles


Managing Director

Darren is a Chartered Surveyor and Corporate Fire & Building Engineer. He is a UK registered Expert Witness and a National Council member of the Pyramus & Thisbe Club – the leading club for the promotion of excellence in Party Wall practice.

Darren has over 20 years experience in the property & construction industries in building surveying, project management, development and construction. Prior to his current role, Darren was a Director of Hydon – a regional property Development Company.

Matthew Allibone

Matthew Allibone

Managing Surveyor

Matthew is a Quantity Surveyor and former Commercial Manager with many years’ experience working at a senior level within the commercial office fit out / car retail industries. Projects of note include a new build Audi Car dealership (circa £5M contract value) and new build visitor centre for Cotwold distillery (circa £1M contract value).




Patrycja Mosinska

Bsc (Hons)

Surveying Technician

Patrycja supports the surveying team in all aspects of her role as our Surveying Technician. Patrycja’s previous role was a contractor’s QS. Her current focus is mainly on QS based activities including fund monitoring, contract administration and project management.

Chris Burley


Consultant Chartered Building Surveyor

Chris is an experienced Chartered Building Surveyor with a background in insurance claims / loss adjusting and core building surveying services mainly for multi storey commercial buildings and developments within the UK and Quatar. Chris’ technical knowledge is broad and includes specialist expertise in the design, specification and installation of fire rated cladding systems to high rise buildings.


Jonathan Mills

BA(Hons) MSc

Building Surveyor

Jon is a Building Surveyor and Project Manager with experience in the hospitality, office/ commercial and residential development sectors.
He is an experienced surveyor who has successfully delivered several high value hotel, care home & office refurbishment projects for our key clients. Jon also undertakes fund monitoring & QS work for our investor / fund clients.

Adrian Sewell

Senior Quantity Surveyor

Adrian has held senior roles both client/consultancy side and in main contracting for companies including WYG, BAM and Aecom. Adrian’s experience covers multiple sectors including  DIO/MoD Refurbishment/New Build projects valued between £12M-£75M and a £40M Infrastructure project in Whiteley (Hampshire).