SAP Calculations for Building Regulation Compliance

At JosTec, we have a team of experienced in-house SAP assessors who are dedicated to providing accurate and reliable SAP calculations.

Why You Need a SAP Calculation

SAP Calculations are required by Building Regulations and Planning for all new builds, conversions and certain extensions. They assess how energy-efficient a property is, and help ensure it meets Part L1a of the Building Regulations.

If your project involves a new build, a conversion, or an extension with glazing over 25%, you’ll likely need a SAP.

At JosTec, our in-house SAP assessors provide:

  • Full SAP calculation

    Government approved method to assess efficiency

  • Expert recommendations

    Advice to help you achieve a pass

  • Document-ready reporting

    Meets Part L1a of the Building Regulations

  • Assessments for all project types

    We help with new builds, conversions & more

  • Clear submission requirements

    We’ll tell you exactly what to send

  • Quick Turnaround

    Fast-track available when you need it quickly

Why You Need a SAP Calculation

Why You Need a SAP Calculation

To carry out your SAP calculation and help secure Building Control approval, we’ll need a few key details from you:

Floor plans

Elevations and cross-sections

Site plans

Wall, floor and roof construction details

Heating system information

Details of any renewable technologies

Window specifications

Why Choose JosTec

At JosTec, we have a team of experienced in-house SAP assessors who are dedicated to providing accurate and reliable SAP calculations. Our service comes with a pass guarantee based on our expert recommendations, giving you peace of mind that your project will meet all necessary regulatory requirements.

What Sets Us Apart

  • Experienced in-house SAP assessors

  • Expert guidance to help you pass first time

  • Pass guarantee based on our recommendations

  • Quick turnaround service available

  • Fully compliant with Building Regs (Part L1a)

  • Friendly, helpful support at every stage

Frequently Asked Questions

What is a SAP Calculation?

It’s a government-approved assessment that measures the energy efficiency of a residential dwelling, resulting in a rating from 1 (inefficient) to 100+ (highly efficient or energy-exporting).

When is a SAP Calculation required?

You’ll need one for all new-build dwellings, conversions, material changes of use, and extensions with glazing over 25% of the floor area.

What does the SAP rating mean?

It indicates how energy-efficient a property is, based on estimated energy use and fuel costs.

What documents do I need to provide?

We’ll need your architectural drawings (plans, elevations, sections), construction build-ups, window specs, and any renewable system details.

Get Your SAP Calculation Quote

CONTACT

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