The quality of the indoor environment within our work places, homes and schools rests largely with the skill and knowledge of the building services engineers. AP Ltd has extensive experience of all types of mechanical engineering systems, including:

  • Heating, Ventilation and Air-Conditioning
  • Environmental ‘Close Control’ systems
  • Mechanical, natural & smoke ventilation
  • Low and Zero Carbon Technologies
  • Hot & cold water services
  • Building Management and environmental control systems
  • Medical/fuel/laboratory gases distribution and control systems
  • Water treatment
  • Sprinkler systems including deluge, water mist and traditional sprinklers
Mechanical Services


Modern life has become increasingly dependant upon computer technology which requires secure and reliable electrical services to ensure both the computers, and hence our lives, function correctly.

AP Ltd has the necessary experience and expertise in the following fields of electrical engineering design:

  • Sub-stations
  • Traditional lighting and specialist lighting design
  • Low voltage switchgear and mains distribution
  • Stand-by power generation
  • CHP power generation
  • Uninterruptible and resilient power supplies
  • Earthing and bonding
  • Data Systems
  • Fire/intruder/panic Alarm Systems
  • High voltage network design and mains distribution
Electrical Services


The field of public health engineering has expanded greatly within recent years to include many specialist fields.

AP Ltd has knowledge and experience of the following areas of public health engineering:

  • Foul water disposal systems
  • Rainwater/Greywater harvesting and recycling systems
  • Domestic/Commercial water systems
  • Domestic/Commercial water filtration Systems
  • Potable Water Systems
  • Surface Water Disposal
  • Water Treatment plant and system design
  • Laboratory water systems
Public Health Engineering