David Childerstone
Founder, CEO
David founded Childerstone PM, creating a truly niche, boutique consultancy that focuses on working with clients to bring true added value to a development or capital project programme. With a passion for delivering projects and ensuring client objectives are relentlessly pursued, David is known for his pursuit of perfection and sets a high bar for his colleagues and wider project teams to deliver to.
David previously spent time at consultancies EC Harris, Rider Levell Bucknall & CPC Project Services as well as previous roles within the development team at British Land. He has unique and extensive experience with private sector clients delivering both commercial developments as well as regional retail, residential, hotel and logistics and Central London commercial developments. A Chartered Building Surveyor by background, David retains an eye for detail while understanding the overall strategic vision of a client.
Steve Alton
Director Building Surveying
As a Chartered Building Surveyor, Steve has significant experience within the property industry having worked both for consultants and client side across a broad range of sectors including Commercial, Retail, Industrial, Leisure, Education, Further Education, Blue Light, NHS, Residential, Central and Local Government. Steve’s experience includes project management of small to large projects (£50k – £120m) and a range of Building Surveying Services including Landlord and Tenant dilapidations, technical due diligence, project monitoring, stock condition & PPM surveys. Steve’s extensive experience gives him the ability to review and advise on property issues at a strategic level with an understanding and eye for the detail.
Steve previously spent time at consultancies EC Harris, Arcadis and Black Cat as well as client side roles at The Natural History Museum & University of Kent in both Property & Development roles. Steve leads the Childerstone PM building surveying function, providing professional surveying services to our existing client base across the UK.
Harry Bridgewater
Director
Harry is a passionate and commercially minded real estate project manager with diverse experience across the contracting, consultancy, and developer disciplines. With a Master’s degree in Civil Engineering, Harry started his career at Laing O’Rourke, followed by roles with consultancies Walsh Group and Deloitte Real Estate, before working client side for Berkeley Homes. Prior to his move to Childerstone in June 2025, Harry worked as a Partner at Gardiner & Theobald.
Harry has developed broad experience across a range of asset classes including infrastructure; commercial; retail; heritage; healthcare; industrial (inc. data centres); education and PBSA. Harry holds particular expertise in large and complex masterplans, simultaneously managing multiple residentially (inc. Build to Rent) led schemes through the full development life cycle, having also had first-hand experience of navigating relevant schemes through the early stages of the Building Safety Act regime.
Harry has built a reputation as a trusted leader and strategic advisor to clients and fosters collaborative but hard-working team environments. He is a strong and articulate communicator, able to combine extensive technical knowledge with an aptitude for problem solving to produce efficient, commercial and client-focused solutions.
Dylan Monsma
Project Director
With prior experience as an Associate Director Architect in London and South Africa, Dylan has established himself as a versatile professional with a robust background spanning mixed-use, commercial, retail, education, and residential sectors. His contributions to projects in both client and contractor roles reflect his adaptability, having worked on projects globally including in the UK, Middle East, China, Africa and North America with clients such as Carbonleo, Canary Wharf Group, Bin Dayel Investment and Westfield.
With a Master’s Degree in Architecture and subsequent certification from RICS in Construction Project Management, Dylan possesses a comprehensive understanding of the RIBA stages as well as a proactive approach to project management. In his current role as a Senior Project Manager, he adeptly navigates diverse commercial sectors, ensuring the precise and efficient execution of each project.
Jonathan Kirby
Project Director
With 15 years of experience in both public and private sector projects, Jonathan is a seasoned professional specialising in fit-outs within live environments. Throughout his career, Jonathan has successfully managed and delivered projects across a diverse range of sectors, including commercial, higher education, industrial, and security. He has developed a reputation for his expertise in creating high-performing teams that pride themselves on delivering eye-catching projects that align with clients’ objectives.
Jonathan brings a wealth of experience in managing the full lifecycle of projects, from feasibility and initial design through to completion and close-out and is highly skilled in navigating the complexities of working in live environments. His approach is centred around collaboration, ensuring that stakeholders’ needs are met while delivering seamless, efficient, and impactful results. Having worked on projects between the £15m – £500m development value, he has consistently demonstrated his ability to oversee projects with multiple stakeholders and intricate challenges, working closely with them throughout all stages.
Passionate about achieving the highest standards, Jonathan excels in leading teams to create innovative and practical solutions that make a lasting impact.
Lewis Armstrong
Senior Project Manager
Lewis started his career in construction as an architect at BDP, working on large-scale domestic projects before transitioning into the project management team. As a project manager, Lewis worked on the Houses of Parliament Restoration and Renewal Programme for nearly 2 years, delivering design and survey workstreams to tight deadlines. This experience saw him co-ordinate design teams and the contractual mechanisms and commercial aspects of the project. Lewis has obtained his APM Project Management Qualifications and especially enjoys ‘hands-on’ exposure to a wide variety of project typologies and scales.
Alice Barber
Senior Project Manager
With over 10 years of expertise in commercial developments spanning sectors including film studios, retail and mixed-use commercial projects, Alice has successfully delivered large-scale commercial developments from feasibility through to completion. With proven track record in managing design, planning, construction and stakeholder coordination, her experience includes both client-side and consultancy roles, giving her a well-rounded perspective on project delivery.
Alice has a strong background in retail and commercial fit-outs, and has led teams and projects across the UK, Europe and the US, overseeing budgets, contractor management and complex logistical challenges. Alice is highly organised and thrives in fast-paced environments, ensuring projects are delivered on time and within budget. She holds a Higher National Certificate in Construction and a Project Management Qualification (APM) having entered the profession at an early stage in her career and undertaking her training alongside delivering projects in live environments.
Tom Woro
Senior Project Manager
Tom joined Childerstone having worked within the construction industry with over 10 years of experience. He has built his skill set having been involved with delivering a mixture of projects for both private and public Clients within the UK & abroad, having undertaken roles as a Project Manager, Programme Manager and Tenant Monitor.
Tom has had experience delivering a range of high value projects which have varied in range from £1m up to £75m, taking on increasing responsibility of varying requirements for high profile Clients within the commercial, residential and education sectors and has been involved delivering projects during the pre-construction, construction and handover stages.
Tom is a charismatic and enthusiastic individual who is passionate about collaboration and has worked alongside high profile Development Clients which have included Brookfield Properties, Derwent London and The Crown Estate.
Gavin Gerlach
Senior Project Manager
Gavin joined Childerstone PM in early 2025, and has over a decade of PM experience across several different sectors in multiple environments. Gavin started his career in consultancy, spending nearly three years seconded into a multi-disciplinary team, on a large-scale public-sector project, whilst also undertaking a Construction Project Management MSc simultaneously. Since then, Gavin has expanded his experience across all aspects of project delivery in private-sector, industrial, higher education, local council, NHS & health, life sciences and even film studios, before making the leap back to consultancy with Childerstone.
Maddie Kruger
Senior Project Manager
Maddie joined Childerstone PM having previously worked in New Zealand in both the residential and commercial property sectors. After completing her Bachelors of Building Science, Maddie began her career in a residential development business before moving to a commercial consultancy. During her time in the commercial sector, she worked across a range of projects including a hospital re-development, a bespoke national archive facility and a significant number of office fit-outs. Maddie is looking forward to bringing her experience to the UK and getting stuck into a variety of new projects with Childerstone.
Joe Conlon
Project Manager
Joe joined Childerstone PM in 2024 & has six years of multi-site industry experience, having in the industry on an apprenticeship program with an international consultancy whilst completing his degree qualifications. Joe has worked across a range of sectors including secondment work with the civil service working on a schools programme as well as working on site for the construction of a new leisure centre. Joe has experience in petrol & roadside retail projects having worked closely with Shell while in a previous role. More recently, Joe has been delivering CAT A & CAT B works across London including reception & end of trip facilities. Joe has recently also competed his chartership with the CIOB in May of 2024.
Laura Corleys
Executive Assistant
Laura joined Childerstone as an Executive Assistant with a key operational role within the business, assisting with finance, operations, client and people management as well as supporting our founder David with his day-to-day responsibilities.
Laura has worked in various support roles within the construction industry for over 20 years, having begun her career at RLB, before moving to CPC in 2020 before making the move to Childerstone in 2024. Laura brings unrivalled expertise within the industry & sector and is a key member of the daily operation & management of the business.
Jess Van DerRiet
Assistant Project Manager
Jess is a dedicated and versatile professional who brings a unique set of skills and knowledge to the team at Childerstone. With previous degrees & qualifications in the psychology & education sectors, Jess has joined Childerstone PM to undertake a structured training programme and develop her skills & knowledge to the construction industry. Jess has attained the Project Management Professional (PMP) international accreditation which underscores her proficiency in managing complex projects and delivering exceptional results, including in previous roles within the healthcare sector.
As a graduate project manager, Jess will be supporting the wider CPM team while undertaking formal qualifications within the construction project management sector. Jess brings a different dynamic and diversity of thought & background skillset to the team & provides strong support in enhancing the delivery of our projects.
