Compliance Tools

SAP Compliance Checker

Estimate your new build or conversion's Part L SAP performance before submitting plans to Building Control.

Construction Specification

typical cavity = 0.18, good = 0.15
270mm mineral wool = ~0.13
typical insulated floor = 0.13 - 0.18
modern double = 1.4, triple = 0.8
Part L limit = 8.0, standard target = 5.0

Compliance Report Ready

Complete the form on the left and submit to view estimated scores, pass/fail status, and optimized compliance recommendations.