About Us

Our Team


At Johns Slater and Haward our people are our greatest asset. We say it often and with good reason - it is only with their hard work and effort that we are able to meet the needs of our Clients.

We have a strong commitment to staff development both through Vocational Training and wider Continuing Professional Development (CPD).

Our Credentials


  • Chartered Engineers for the design of mechanical and electrical systems in buildings;
  • Registered with the Engineering Council;
  • Trained by the Building Research Establishment (BRE) for Building Regulations Part L (SBEM) Compliance;
  • Trained by TAS in the use of Daylighting and Thermal Modelling Software;
  • CIBSE Registered Low Carbon Consultants and EPC Assessors;
  • Trained in AutoDesk Revit for 3D drawing and Building Information Modelling (BIM)

Our Heritage


  • A history of over 120 years operating as building consultancy practice; 
  • Large enough to deliver on multi-million pound schemes, small enough to be flexible and personal in our approach;
  • Owned and operated by Director/Shareholders with a vested interest in Client satisfaction and repeat business;
  • Established relationships with Clients and contractors across all sectors of use and ownership;
  • Comfortable in alternative roles within construction procurement i.e. Consultant to Client; Architect/QS and/or Contractor; Expert Witness etc.