CIVIL
STRUCTURAL
GEOTECHNICAL
ARCHITECTURE
WELCOME TO

William J Marshall & Partners

William J Marshall & Partners are a team of specialist forensic engineers and architects based in London. 

We provide high-quality technical advice on wide-ranging issues in civil, structural and geotechnical engineering and architecture. The team at William J Marshall & Partners bring extensive experience both in practice and as expert witnesses and advisers. When working with WJM&P, you can be sure our approach will be thorough, dependable, and robust.

Working from first principles, our experts will guide you through your engineering and architectural questions, however challenging they may be. We bring a wealth of experience and unparalleled rigour to every investigation we undertake.

William J Marshall & Partners

Our Services

William J Marshall & Partners offer both expert technical advice and project consultancy services in engineering and architecture.

As forensic experts, we provide the clear, impartial advice you need to investigate and resolve defects and disputes efficiently. Our engineering and architectural experts will help you disentangle the technical issues so you can make informed, cost-effective decisions at each stage of the process. Whether you need early advice or a full CPR 35 expert report, we have the experience and expertise to assist.

We also offer a full range of engineering and architectural consultancy services. If you encounter technical challenges on your construction projects, we can help you understand and resolve the issues. We use our wide experience of investigating problems and a first-principles approach to support you on your projects and develop practical design solutions.

Areas of Expertise

Working with us, you can be sure you have the right expertise and analytical precision. Our experience ranges from small domestic defects to complex investigations and major international disputes.  We tackle each of these proportionately but with consistent rigour and commitment.

Civil

Roads, railways and airports

Marine structures & offshore platforms

Underground structures

Drainage

Flood protection

Pavement & ground slabs

Tunnels

Bridges & bearings

Temporary works

Structural

Reinforced concrete

Steelwork

Masonry & brickwork

Timber frames

Light steel framing

Cladding support

Floor screeds

Movement joints

Car parks

Basements

Underpinning

Vibration

Remedial works

Geotechnical

Ground conditions & investigations

Soil mechanics

Underground structures

Retaining walls

Shallow & deep foundations

Earthworks & fill

Slopes

Reinforced soils

Ground improvement

Groundwater

Excavations & temporary supports

Architecture

Architecture

Facades, cladding & curtain walling

Fire safety

Floor screeds & finishes

Insulation and thermal performance

Acoustics

Windows & glazing

Remedial works

Render & waterproofing

Roofing

Ceilings & partitions

Town planning & Building Regulations Compliance

Case Studies

Discover some of the projects we have worked on.

Floor slab cracking – Industrial Warehouse Foundations – UK

Floor slab cracking – Industrial Warehouse Foundations – UK

Design changes – Underground Station – UK

Design changes – Underground Station – UK

Design defects and concrete cracking – Motorway Barriers – UK

Design defects and concrete cracking – Motorway Barriers – UK

Leaking basement – Victorian House Extension – UK

Leaking basement – Victorian House Extension – UK

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Contact us

A broad outline of our work and the services we offer can be found on this site. If you need any further details, please get in touch today. We look forward to hearing from you.

Contact

William J Marshall & Partners
43 Palace Street,
Westminster,
London,
SW1E 5HL