How We Help


SAP Assessment New Builds & Extensions
A SAP calculation is required by Building Control We don’t just provide the paperwork - we act as your energy consultant. We model your design, highlight risks, and advise on the most cost-effective changes in insulation, heating, glazing and renewables.
SAP Extension (Over Glazed by 25%)
If your extension has more than 25% glazing or Building Control are asking for proof - we combine the SAP with U-value calculations. We highlight risks and advise simple adjustments, so your design meets energy rules and gains approval without delays.


Dynamic Thermal Model
Some designs risk overheating under Part O. We run advanced thermal models, explain the results clearly, and show you practical changes to keep your building compliant and comfortable.
Building Control asks for a lot: SAP, EPCs, water calcs … We make it simple
We Guide You Through Planning:
1️⃣ Send us your plans
Email your drawings/specs. If anything’s missing,
We’ll tell you exactly what’s needed.
2️⃣ We run the SAP & check compliance
We model your design against Part L.
Then check any compliance details
3️⃣ We guide you with clear fixes
You get straightforward advice (no jargon) on insulation, glazing, heating, and more.
We refine together until it’s compliant.
4️⃣ Building Control accepts your project
We supply the signed-off SAP report and compliance evidence,
giving Building Control what they need to approve your build
Why clients choose us
✅ Guaranteed Part L compliance
✅ Unlimited revisions included
✅ Same-day response, 1 working day turnaround, quotes from £65
✅ Qualified OCDEA assessors (Elmhurst accredited)
👉 One set of drawings. One point of contact. All your compliance covered.
📞 Need help? Call us now 01172510042








