Services

Energy compliance and assessment

SAP, SBEM and operational-energy assessment

Service scope

Energy compliance and assessment systems

SAP, SBEM, Part L and operational-energy assessments are produced from verified assumptions linked to live design decisions.

Typical focus

  • SAP, SBEM and Part L assessment scope planning
  • Part O overheating assessment where required
  • Operational-energy, carbon and energy-use reporting
  • Design updates, evidence tracking and improvement options

Deliverables

  • Assessment inputs, model and assumptions register
  • Compliance report, certificate or evidence schedule
  • Design-stage update reports
  • Improvement options and close-out information

Key compliance context

  • Building Regulations Approved Documents L and O
  • SAP and SBEM methodologies
  • CIBSE operational-energy and overheating guidance where required
Requirements are confirmed for the location, building type and scope of each commission.

When it is needed

Project applications

Typical appointments

  • Part L route confirmation is required
  • SAP or SBEM is needed
  • Part O triggers apply
  • Operational-energy options must be tested

Information to start

  • Architectural geometry and fabric specification
  • MEP systems, efficiencies and controls data
  • Air permeability and renewable-energy inputs
  • Assessment basis and project-control route

Project stages

  1. Feasibility
  2. Design-stage assessment
  3. Submission-ready updates
  4. As-built assessment evidence

Assessment routes

Choose the relevant compliance service

Common questions

Scope notes

Do you provide SAP and SBEM in-house?

Yes, when the brief and inputs are complete. We deliver compliant reports and practical recommendations.

Is overheating also reviewed?

Yes. Part O requirements are included where route and use indicate a need.

Related services

Other disciplines

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