We are a building contractor that prides itself on professionalism, project management and quality of workmanship

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We pride ourselves on our professional delivery, quality workmanship, and commitment to project management. As such, all Harris Calnan projects benefit from

  • Continued involvement from two company directors, from commencement to end of defects period
  • A permanent, site-based, non-working site manager with a "nuts and bolts" background in construction
  • Fortnightly audit visits from our third-party health & safety advisor
  • Monthly programme updates and progress reports


Unlike many Main Contractors, we retain a directly employed workforce of tradesmen, and as such undertake the following trades directly in-house

  • Basement waterproofing (Newton Waterproofing approved installer)
  • Brickwork, blockwork and masonry
  • First and second fix carpentry
  • Single ply roofing (Axter approved installer)
  • Drylining & plastering
  • Decorations
  • Fine finishing



We undertake the following trades in collaboration with our structural partner

  • Structural alterations
  • Groundworks & underpinning
  • Piling
  • Basement construction
  • Concrete frames
  • Exposed concrete work
  • Steel frames
  • Below ground drainage
  • Hard & soft landscaping


For the following trades, we utilise a small list of tried and tested subcontractors, with whom we have longstanding relationships

  • Electrical installations & design
  • Mechanical installations & design
  • Pumping systems
  • All other roofing works
  • Screeding
  • Tiling & stonework
  • Hardwood flooring
  • Architectural glazing
  • Architectural metalwork
  • Architectural staircases
  • Joinery & cabinetry



We regularly employ and manage a variety of other specialists to carry out complex and challenging work not listed above, such as

  • Specialist finishes
  • Fire curtains
  • Kitchens
  • Curtains & blinds
  • Brise soleil, awnings & other means of solar control


Let’s Work Together

We are always open to collaborating with architects and designers on new challenges.

Please get in touch to discuss any upcoming projects.


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