About Us


At Calstan, we provide a range of high-quality mechanical and electrical services in commercial and industrial sectors across the South East of England.

Based in West Sussex in the South East of England, our team is committed to delivering a high quality, professional and reliable service. Qualified, accredited and with 25 years’ experience of undertaking commercial, industrial and high-end domestic projects, we have the skills and expertise to provide high-quality mechanical & electrical services to meet our clients’ needs.

Our Clients Include...

Safety Matters

Our Health & Safety Management System and compliance with health and safety legislation are formally assessed each year by industry leading SSIP schemes.  For every specialism we have achieved accreditations and membership with the leading trade bodies and our performance against each of these highest industry standards is audited at least annually.

Head Office

Unit 4 Durban Park,
Bognor Regis,
West Sussex PO22 9RJ

Call Us

01243 838207




Our Brochure