House model with lights and an energy meter

ENERGY EFFICIENCY

YOUR GO-TO ENERGY CONSULTANTS SERVING ACROSS THE UK

Expert Energy Consultancy Ltd provides energy efficiency assessments and calculations for building regulation compliance across the UK. We specialise in EPCs, SAP calculations, and thermal performance to support sustainable, regulation-ready construction projects.

hello@expertenergy.co.uk

FULLY QUALIFIED

NATIONWIDE COVERAGE

FIRST-CLASS SERVICE

ENERGY COMPLIANCE MADE SIMPLE

Established in 2012, Expert Energy Consultancy Ltd provide Energy Performance Certificates (EPCs) and full SAP calculations for building regulations compliance. Our services include Part G water usage calculations, Part O overheating assessments, U-value calculations for roofs, walls, and floors, as well as PSI-value and Y-value assessments for thermal bridging. We also carry out extension calculations for overglazed designs to meet building regulations. Get in touch to see how we can support your project.

hello@expertenergy.co.uk

Energy-efficient house with solar panels on the roof

HOW WE HELP

Hand sketching on an energy efficiency project

SAP EPC

We provide full SAP calculations and Energy Performance Certificates (EPCs) to meet building regulations. Ensure your project is compliant, energy efficient, and ready for approval.

Service 1 link

A man pointing to the energy efficiency rating chart

EXTENSION CALCULATIONS

We specialise in overglazed extension assessments to strike a balance between design and efficiency. Stay within energy limits while achieving your desired glazing and layout.

Service 2 link

WATER USAGE (PART G)

Our Part G calculations ensure water efficiency across your development. Meet sustainability standards and reduce environmental impact with accurate usage data.

Service 3 link

OVERHEATING (PART O)

We assess risks of overheating in residential and commercial designs. Stay compliant with Part O while improving comfort and thermal safety.

Service 4 link

A yellow infrared thermal imaging system is being used during a home energy audit

PSI VALUE – Ψ – Y VALUES

Identify and reduce thermal bridging with accurate Psi calculations. Improve compliance and boost energy efficiency in your building design.

Service 5 link

FROM PLANNING TO COMPLETION CHECKLIST

AT THE PLANNING APPLICATION

Initial SAP and U-Value calculations
Consultancy to reach compliance
Part O / Scottish Standard 3.28 overheating risk calculation
Design stage SAP and U-Value calculations and Part L1A reports
Water usage calculations
Non-repeating thermal bridging / Psi-values

ON-SITE SERVICES

Update SAP and U-Value calculations due to material changes

COMPLETION SERVICES

Air leakage testing
As-built SAP and U-Value calculations
Evidence of construction photos supplied
Energy performance certificates (EPC)

Reach Out

WHY CHOOSE US?

We are fully qualified energy consultants with years of experience delivering accurate, regulation-compliant assessments. Our services are available nationwide, ensuring consistent support no matter your project’s location.

We pride ourselves on offering a first-class service from start to finish. Whether you need SAP EPCs, overheating reports, or thermal calculations, we provide expert advice and fast turnaround to keep your project on track and fully compliant with current building regulations.

Get In Touch

“Our architectural practice (KLA), appointed Expert Energy Consultancy Ltd to provide energy strategy input for the conversion of an existing office building—housed within a Victorian property—into six two-bedroom flats. Their input was invaluable throughout the project.”

Luke K.

NEED AN ENERGY CONSERVATION CONSULTANT?

We Provide Tailored Solutions To Reduce Energy Consumption And Costs.

hello@expertenergy.co.uk

Energy-saving light bulb covered in green grass