Built around planning, development and compliance decisions.
Use this page to understand when the service is usually needed, what evidence is reviewed and what information helps us quote accurately.
- Planning and regulator context
- Clear deliverables and next steps
- Linked services considered early
SAP Calculations support Part L compliance for new dwellings, conversions and residential development projects.
When this service is used
Used for building regulations, new-build residential schemes, conversions and design-stage energy performance compliance.
What the report normally includes
- Design-stage SAP assessment
- Part L compliance review
- Fabric and services input review
- Recommendations where compliance is not achieved
- Final-stage support where required
What we need from you
Providing the right information at the start helps us confirm the scope, quote accurately and avoid back-and-forth once the work is underway.
- Architectural plans and elevations
- Construction specification
- Heating and ventilation details
- Window and door schedules
- Number of plots or dwellings
Useful to know before you enquire
Common questions
Do I need this report for planning?
It depends on your site, proposal and the wording from the local planning authority. We can review the planning reference or condition.
Can I add other reports to the same enquiry?
Yes. The enquiry builder allows multiple services and one set of supporting documents.
Related services
These services are often reviewed alongside SAP Calculations depending on the site, planning context and proposed development.
Send the right information first time.
Our custom enquiry builder asks service-specific questions so we can confirm the correct scope, identify linked services and avoid unnecessary delays.
Build one enquiry for this and any related services.
Submit site information, planning references and supporting documents once. We’ll review the scope and confirm what is required.