About Us

Steel Calculation Designs Ltd

We are a Chartered Surveyors and Structural Engineering company operating from Crawley, covering Haywards Heath, East Grinstead, Crawley Down, Horsham, Redhill, Reigate, Dorking, West Sussex, East Sussex, Kent, Surrey.

We have a proven track record in providing professional surveying, structural and design advice and services.

We deliver services to a range of private and commercial clients, ranging from domestic house extensions, loft and garage conversions, building surveys, home buyer surveys, new build design and developments, refurbishments and dilapidations.

Please contact me for details : Trevor Nash BSc (Hons), MRICS, C. Build Eng MCABE:   

I am a Chartered Surveyor and Chartered Building Engineer, member of the Royal Institute of Chartered Surveyors (RICS) and Chartered Association of Building Engineers (CABE).

I have worked on a wide range of projects, below is a summary of recent experience:

  • Design and detailing of building alterations and extensions,
  • Structural calculations
  • Building drawings
  • Building specifications
  • Building surveys on residential properties
  • Party Wall Surveyor on behalf of domestic clients
  • Preparation of court reports and acting as an expert witness roles in technical matters, including builders disputes over standard of work, dilapidations and disrepair claims;
  • Preparation of assessment reports for insurance purposes

RICS Membership Number: 1136510

CABE Membership number: 11107833

CSCS: qualified as Professional Person number 13746161

Professional Insurance: We are covered by Professional Indemnity Insurance and Public Liability Insurance