Our Services
HGI Structures provide a full range of professional services in structural engineering and project management for both new build and refurbishment projects. We specialise in structural engineering and repair for masonry, steel and concrete structures. Our expertise includes substructure design, basements, renovations and extensions, loft conversions, temporary work design, steel connection design and fabrication drawings, building defects and repair solutions, building regulations and project management.
In addition, we provide a complete design and construction service starting with planning and building regulations through to project management and completion. We work with a wide range of projects and provide services to both residential and commercial buildings, aiming to offer a personal and professional service that fulfils our clients' building and development needs.
Basements
We design substructure solutions including basement excavations and retaining walls for residential and commercial properties. Full waterproofing strategy included.
Structural Design & Reports
Structural calculations, engineering reports and construction drawings for masonry, steel and concrete structures across all building types and scales.
Renovations & Extensions
Structural engineering support for side, rear and wrap-around extensions, internal structural alterations, and full refurbishment projects.
Loft Conversions
Structural design for loft conversions including dormer windows, hip-to-gable conversions, and full roof reconstruction with steel frame.
Temporary Works Design
Design of temporary structures required during construction — including temporary propping systems, falsework, and shoring to ensure safe site operations.
Steel Connections Design
Detailed design and fabrication drawings for all steel connection types — bolted, welded, and moment connections — to fabricator-ready standard.
Building Defects & Repairs
Investigation, assessment and repair design for structural defects including cracking, subsidence, corrosion and deterioration in masonry and concrete.
Building Regulations
Preparation and submission of Building Regulations structural packages, coordination with Building Control, and compliance sign-off for all project types.
Project Management
End-to-end project management from initial planning and procurement through to on-site supervision and final completion — coordinating all design disciplines.
Initial Consultation
Free initial discussion to understand your project requirements, site constraints and objectives.
Structural Design
Detailed structural calculations, reports and construction drawings tailored to your project.
Approvals & Regulations
Building Regulations submission, coordination with Building Control and planning authorities.
Project Delivery
On-site support, construction monitoring and project management through to completion.
London & the South-East
From our Enfield office, we serve the South-East, UK and beyond — including North London (Camden, Islington, Hackney, Hampstead, Haringey), the City of London, Westminster, Kensington, Chelsea, Hammersmith, Fulham, South London (Clapham, Balham, Wimbledon, Richmond), Essex, Hertfordshire, Berkshire, Hampshire, Surrey, Kent, Marlow, Reading, Oxford and High Wycombe.
We regularly work closely with a select group of Chartered Surveyors, Chartered Building Services Engineers, Architects and Town Planning consultants.
Ready to start your project?
Free initial consultation — no obligation.