SCHEDULE 3
Self-certification Schemes and Exemptions from Requirement to Give Building Notice or Deposit Full Plans"
Column 1 section 17 is pretty clear :
17. Installation in a building of a system to produce electricity, heat or cooling—
(a)by microgeneration, or
(b)from renewable sources (as defined in European Parliament and Council Directive 2009/28/EC of 23 April 2009 on the promotion of the use of energy from renewable sources(17)).
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A person registered by Ascertiva Group Limited, Association of Plumbing and Heating Contractors (Certification) Limited, Benchmark Certification Limited, British Standards Institution, Building Engineering Services Competence Accreditation Limited, ECA Certification Limited, HETAS Limited, NAPIT Registration Limited, Oil Firing Technical Association Limited or Stroma Certification Limited in respect of that type of work.