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What are Ancillary Certifiers?

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An "Ancillary Certificate” means a certificate other than a statutory certificate of compliance as prescribed in the Building Control Regulations given by a competent person to confirm compliance of elements of the building, design or works with Building Regulations;

An “Ancillary Certifier” means a person proposed to issue such a statement. (Note: a “person” also includes a company); Apart from the Assigned Certifier and Design Certifier there is likely to be a range of certifiers on most projects, including certifiers appointed by the Building Owner, by his design team and/or by the Builder.

Ancillary certifiers may include:

  • Architects and Architectural Technologists/Technicians;
  • Consulting Engineers (especially structural/civil and mechanical/electrical) appointed by the Building Owner to design, inspect and certify the relevant elements of the works;
  • Designers (e.g. for piling, for mechanical/electrical work, for soil and waste pipework or for precast concrete elements) appointed by the Builder to design and certify the relevant elements of the works;
  • Other competent technical and trade persons that install products and/or test on completion; and/or
  • The Builder, sub-contractors, suppliers and manufacturers, both in relation to certifying Design and Construction, and also in relation to components or assemblies supplied for the works, and/or in relation to tests. Every certifier should exercise reasonable skill, care and diligence in the exercise of their duties.
External works Air to water heat pump Air to air heat pump Air to ground heat pump Insulated concrete formwork IS 440 Time and temperature Zone control Piling Tongue and groove Building energy rating Energy performance certificate Mechanical ventilation Vapour control layer