GreenThames Consultants – Performance. Design. Verified

Engineering a
greener future.
Smart. Sustainable. Compliant.

At Green Thames Consulting Limited, we deliver integrated building services and compliance solutions that ensure your projects meet performance, sustainability and regulatory standards.

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Your Partner in Sustainable Engineering
Excellence.

From design to compliance, we collaborate closely with clients to create buildings that balance performance, efficiency and environmental responsibility.

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MEP Consultance

Expert design and coordination of Mechanical, Electrical, and Plumbing systems to ensure efficient, compliant, and sustainable building performance.

Day Light / Sun Light Assessment BRE 209

Reports showing daylight, sunlight, and overshadowing performance for planning approval.

SAP Calculations

Energy assessments for new and existing homes to ensure Part L compliance.

TM 59/ Part O - Overheating Assessments

Thermal modelling to check and prevent overheating risks in new dwellings.

SBEM/DSM Calculation Services

Energy modelling for non-domestic buildings to meet Building Regulations.

Architectural Consultancy

Creative and practical design solutions that balance aesthetics, functionality, and regulatory compliance for residential and commercial projects.

Shaping Energy-Efficient Spaces for Tomorrow.

We believe in a proactive, integrated approach. On-site, we validate delivery with testing and verification, ensuring what’s designed is what’s delivered.

Customer Satisfaction

Years Proven Track Record

Projects We Have Completed

Honorary consulting award

Your Partner in Building Energy
& Environmental Excellence.

number of Projects

1 +

Trusted customers around the world

#1 Engineering Solutions

Comprehensive Expertise

Regulation-Focused

Accurate & Efficient

Experience Across Sectors

More Why Choose Us

“The team provided exceptional support throughout the design stage. Their MEP and energy advice was practical, detailed, and perfectly aligned with our architectural intent.”

Juhani Pallasmaa

Director, Horizon Construction Group

Explore Our Expertise

Our Services

Technical Expertise. Sustainable Outcomes.

01.

SAP Calculations

Energy performance assessments to ensure homes meet Building Regulations Part L.

02.

New Build SAP Calculation

Compliance reports for new dwellings to demonstrate energy efficiency from design stage to completion.

03.

Conversion SAP Calculations

Energy assessments for converted buildings to verify compliance and performance standards.

04.

Extension SAP Calculation

Part L energy checks for home extensions to meet required efficiency targets.

05.

TM59 Residential

Thermal modelling to assess and limit overheating in new residential developments.

06.

TM52 Residential

Comfort analysis for naturally ventilated homes, identifying and reducing overheating risks.

Stop wasting time and money on broken and inefficient tactics! Let’s get started

Green Thames Consultants

Building Sustainability.
Ensuring Compliance. Driving Efficiency.

Delivering innovative, sustainable and fully compliant building solutions with clarity and confidence.

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Our Mission.

To deliver smart, sustainable, and compliant building solutions through technical excellence, innovation, and integrity — helping clients design and construct energy-efficient environments that perform for people and the planet.

Our Vision

To be a trusted leader in sustainable building consultancy, driving the transition towards low-carbon, high-performance developments that shape a greener and more resilient future.

Industries We Help

Empowering Projects Through Smart, Sustainable Design.

We navigate the regulations so you can focus on your project’s performance and value.

Residential Developments

Commercial Buildings

Education

Healthcare

Hospitality & Leisure

Industrial & Warehousing

Sustainable & Low-Carbon Projects

Technology

Discovery More All Industries

Green Thames Consultants

Our Project Process

At Green Thames Consultants Limited, we follow a clear and structured process to ensure accuracy, compliance, and efficiency at every stage of your project.

Consultation & Information Gathering

We begin by understanding your project goals, reviewing drawings, and collecting key design details. This helps us determine the exact assessments and calculations required.

Assessment & Modelling

Our specialists carry out detailed energy, daylight, or overheating analyses using industry-approved software and methods such as SAP, SBEM, TM59, or BRE 209

Review & Recommendations

We analyse the results, identify any shortfalls, and provide practical advice or design adjustments to achieve full compliance and optimal performance.

Certification & Support

Once everything meets standards, we issue the necessary compliance reports and certificates. We remain available for any post-assessment queries or design updates.

Our Featured Projects

Selected Case Studies

We Helped Hundreds of Businesses was Back on its Feet. Ut id urna tristique est tincidunt.

See All Featured Projects

Business Development Planning

Coportate, IT Solutions, Startup