Structural, Civil & Geo-Environmental Engineers

 

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Heyne Tillett Steel

Low-carbon multidisciplinary engineering practice delivering structural, civil and geotechnical solutions for complex urban development

Heyne Tillett Steel is a multidisciplinary engineering consultancy specialising in low-carbon structural, civil and geotechnical design across complex urban development projects.
Working with leading developers and architects, HTS supports projects from early-stage feasibility through planning, technical delivery and construction, with particular expertise in sustainable engineering, adaptive reuse and constrained city-centre sites.
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HTS combines structural, civil and geotechnical engineering with innovation-led design to de-risk complex sites, optimise viability and reduce embodied carbon across the development lifecycle.

Structural Engineers

· Structural design · Adaptive reuse · Timber and hybrid structures · Steel reuse · Complex urban engineering · Low-carbon construction

HTS delivers innovative structural engineering solutions across commercial, residential, hospitality and regeneration projects, with a strong focus on sustainable materials and embodied carbon reduction.

Civil Engineers

· Drainage and SuDS · Public realm· Utilities coordination · Flood risk · Masterplanning support · Highway infrastructure

The civil engineering team supports complex developments through integrated infrastructure planning, urban engineering and external works design.

Geo-Environmental Consultants

· Ground assessments · Foundation design · Substructure strategy · Foundation reuse · Ground movement analysis · Retaining structures

HTS provides in-house geotechnical expertise to address below-ground constraints, improve substructure efficiency and support technical delivery on complex sites.

Modern courtyard building with green lawn, wooden facade details, and blue sky in an academic setting.

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Modern hotel lobby with arched geometric ceiling, warm wood panels, reception desk, and open lounge area with natural light.

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Xylo, Camden

Delivered structural engineering for the UK’s largest all-timber frame office building, pioneering large-scale low-carbon commercial development through glulam and CLT construction.
Historic London street with elegant beige buildings, arched windows, and pedestrians walking along a cobblestone road.

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The Other House, Covent Garden

Complex structural and civil engineering across six interconnected heritage buildings within a conservation area, combining adaptive reuse with hospitality-led redevelopment.
Modern glass office building development in London city street with historic architecture and pedestrians.

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Holborn Viaduct, City of London

14-storey office development delivered on a highly constrained urban site above major transport infrastructure, showcasing expertise in complex city-centre engineering.
Vibrant outdoor market square with seating, lush gardens, obelisk monument, and historic church tower under a sunny sky.

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Earlestown Market Place, Merseyside

Public realm and infrastructure-led regeneration enhancing historic civic space through integrated civil engineering and placemaking design.

What we do

Disciplines

  • Structural Engineers
  • Civil Engineers
  • Geo-Environmental Consultants



Project Type

  • Commercial
  • Residential
  • Hospitality
  • Regeneration
  • Public Realm


 

 

 

 

 

 

 

 

Typical Project Size

  • £10m+


Stage of Involvement

  • Feasibility
  • Planning
  • Technical Design
  • Delivery

 

Geographic Focus

  • UK


Open to connecting with

  • Developers
  • Architects
  • Public sector
  • Contractors

 

What we deliver

Modern red brick commercial building with arched ground floor windows and sawtooth roofline under blue sky.
Modern hotel lobby with pendant lighting, lounge seating, exposed ceiling, and floor-to-ceiling windows at Tide.

Integrated engineering solutions for complex development, combining structural, civil and geotechnical expertise to reduce risk, improve viability and deliver low-carbon outcomes across major urban projects.

 

 

How we like to work

HTS works collaboratively from the earliest stages of development, combining technical rigour, innovation and sustainability to support informed decision-making and deliver commercially viable, future-focused projects.

KEY CONTACTS

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Tom Steel

 

Founding Director


Leads innovation, adaptive reuse and sustainable structural engineering strategy across the practice.

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Susan Mantle

 

Director


Leads structural engineering delivery and innovation across complex urban projects, specialising in intelligent low-carbon solutions.

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Carmel Lennon

 

Director


Leads civil engineering strategy across infrastructure, drainage, transport and development viability.

Connect with Heyne Tillett Steel

 

 

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Visit Heyne Tillett Steel's website →

Phone: +44 (0)207 870 8050

london@hts.uk.com

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Our Partners
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