About Us

SJ Construction is a leading Construction Company and a main building contractor based in London. We are both a Chartered Practice with the Royal Institute of British Architects (RIBA) and a member of the Federation of Master Builders (FMB). Our bespoke projects involve only the very best Architects, Project Managers and tradesmen.

As a leading Design and Build Company in London, we offer high quality Residential and Commercial Construction Services, Architectural Services via our in-house Architects, and can offer a full Design-and-Build service where requested.

We also offer our Construction expertise and Project Management across the UK, to Developers, large Construction companies, Main Contractors, Architects and Construction consultancies.  Our industry-leading Project Management team have been responsible for major Construction projects across London, the Home Counties, and Internationally.

Leadership Team

David MontgomeryManaging Director
David has 17 years’ leadership experience in the property and construction sectors. Over the course of his career, he has been responsible for thousands of units of Real Estate construction and Development. David began his career at Savills, before moving into Property Development and Construction Project Management for private clients in London. He oversees the general direction of SJC Group, key decision-making, operations and strategic expansion.
Steven AldridgeProjects Director
Steven has 20 years’ Management experience in residential construction and refurbishment in Central London. Steven’s reputation across Central London speaks for itself, his completed projects are known to be immaculate, as he has been responsible for countless high end, bespoke residential construction projects in Central London. Steven’s responsibilities include Project Management, Development and Quality Control.
Sandip ChudhaDirector of Architecture
Sandip is an Architect with 18 years’ experience of Designing and Project Managing some of the most exquisite residential projects in Central London. His vast architectural experience extends across the UK, and internationally. Sandip combines great leadership ability with a passion for Architecture, Construction and Interior Design. He joined SJC after working in Central London for 15 years, 9 years at Thorp Design and 6 years at Donald Insall Associates. Sandip leads our Architectural team.
David DibollHead of Project Management
David has 30 years experience in the Construction industry in the South East of England. After 15 years as a Project Manager at Bovis Lendlease, he spent 4 years at Mace Construction as Operations Director, before progressing onto Morgan Sindall as Construction Director, and following that, Construction Director at Haig Construction.
Hugh CholmondeleyHead of Business Development
Hugh has 18 years Commercial experience, including a strong business development background within the Property, Architecture and Construction sectors. Previous to joining SJC Group, Hugh spent over ten years at Family Offices in London working on Construction projects for HNWI’s and prominent London and Overseas families. Hugh has a BA in Business from London School of Economics. and and MBA from The University of Oxford.
Aston FreemanHead of Finance
After graduating from The University of Oxford with 2:1 in Politics, Philosophy and Economics, Aston joined PwC as an accountant, before progressing into Investment Banking at Barclays. He then joined Morgan Stanley in New York as Vice President of the Investment Management Division. Prior to joining SJC Group, Aston was Financial Director at a Financial Executive Search Agency in London and New York.

Project Management Team

Rupert MontgomerySenior Project Manager
Rupert is a Senior Project Manager at SJC Group. Rupert has been Project Managing private Residential Construction Projects and renovations in London for many years. Rupert has a great passion for restoring and reinvigorating Period Properties and Listed buildings, both in town and in the country.
Henry MontgomerySenior Project Manager
Henry specialises in Project Managing Residential Construction in London and the Home Counties. In addition to overseeing private residential renovation projects for private clients in London, Henry has a very strong network in London with suppliers and specialist sub-contractors. Henry is known for running projects with ‘military precision’.
Annabel EatonSenior Interior Designer
Annabel has worked on diverse interior design projects for private clients over the last 20 years, from fine luxury hotels to bespoke Residential Central London townhouses. She is adept at dealing with London’s varied and International clientele, and is sensitive to Clients’ requirements – whether traditional styles of Interior Design, or minimalist, Contemporary, timeless Design.
Samantha ShieldsProject Coordinator
Susan AdamsInterior Designer
Lucy MontgomeryInterior Designer

Site Management Team

Stefan DebskiConstruction Site Manager
Kevin SmithConstruction Site Manager
Tony ShephardConstruction Site Manager
Simon JonesConstruction Site Manager
Michael RossiterConstruction Site Manager
Stephen JenkinsConstruction Site Manager
Joe HarveyProjects Coordinator
Lukas NowakConstruction Site Manager
Pawel KowalskiConstruction Site Manager
Olaf MazurConstruction Site Manager
Stanislaw NowakConstruction Site Manager
Simon ShephardConstruction Site Manager
Aleks WozniakConstruction Site Manager
Nikolaj BaranConstruction Site Manager
Jonathan EdmundsConstruction Site Manager