# R&D SAPs Launches Affordable, Fast SAP Calculations Nationwide ## SAP Calculations from £99 with No VAT – Including Part L, Part O, and Energy Statements **Amersham, Buckinghamshire – August 2025** – R&D SAPs, a UK-based expert in SAP Calculations and Building Regulation compliance, now offers rapid, affordable assessment services starting at just **£99 per unit**. Serving the entire UK with **no VAT added**, the company provides certified support for new builds, conversions, extensions, and highly glazed areas. With **24/7 availability**, a fully qualified team of OCDEA assessors, and turnaround times as fast as **3 working days**, R&D SAPs is a go-to partner for developers, architects, and self-builders seeking smooth and stress-free compliance. ## What Are SAP Calculations? **SAP (Standard Assessment Procedure)** Calculations are required under **Part L of the UK Building Regulations**. They assess the energy efficiency of residential properties and are mandatory for: - New build dwellings - Material changes of use (e.g., commercial to residential conversions) - Large extensions and highly glazed areas SAP Calculations provide: - A verified **SAP Rating** - Evidence of compliance with **Part L** - The basis for issuing an **Energy Performance Certificate (EPC)** ## Services Offered by R&D SAPs - **SAP Calculations** for New Builds, Extensions & Conversions - **"Part O" Overheating Assessments** - **Energy Statements** for Planning Applications - **U-Value and PSI-Value Calculations** - **EPC Certification** - **Design Support & Iteration Advice** ## Why Choose R&D SAPs? - From **£99 per unit** — no VAT added - Whole UK covered - **OCDEA-accredited team** - **Fast 3-day turnaround** available - Expert advice on improving compliance - Liaison with Builders, Architects & Building Control - Full documentation provided: DER, DFEE, TER, TFEE ## When Are SAP Calculations Needed? - **New Dwellings** – all new homes must comply with Part L - **Conversions** – changing commercial or unheated space to domestic use - **Extensions** – especially where large glazing areas are involved - **Material Change of Use** – including flat splits or increasing number of units - **Energy Status Changes** – e.g. heating an unheated garage or loft ## Required Documents for Assessment Please prepare the following to ensure a smooth process: - Floor plans, elevations, and section drawings - Site plan with orientation - Wall, roof, and floor construction details - Window and glazing specifications - Heating and hot water system information - Any renewable energy technologies being used ## What’s Included? - Full SAP documentation from design to as-built stage - Lodgement and EPC registration - Guidance for improvements if needed - Fast response and tailored compliance advice - Direct communication with your project team - All documents submitted to Building Control as required ## Contact R&D SAPs Today **R&D SAPs – Head Office & Accounts** Office 18 (OCDEA's) 63-65 Woodside Road Amersham, Buckinghamshire HP6 6AA 📞 **Call 0800-772-3678** (24/7) 📧 **Email:** [ocdea@rd-sap.co.uk](mailto:ocdea@rd-sap.co.uk) 🌐 **Website:** [https://www.part-l.today](https://www.part-l.today) > **R&D SAPs** – Making energy compliance simple, fast, and affordable for every project.