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Tall buildings in London

Tailored solutions from planning to completion

As an energy and sustainability consultancy for the construction industry, our trusted team of specialists provide assessments, reports and on-site testing to help you meet planning conditions and building regulation compliance.

Our services Meet the team

Part L & F Update

After years of anticipation surrounding new building regulations the Government has finally published plans for a new version of Approved Document L (for energy efficiency), a new AD F (for ventilation), and confirmed a new regulatory standard for managing summer overheating is on the cards.

Read our summary on the changes which have been put forward in this consultation, and get in touch to discuss how this affects you and your projects.

Part L & F Update

What makes us unique

  • Same-day response

    With our promise to provide a same-day response to all enquiries, you won’t be kept waiting.
  • Hassle-free guarantee

    We cut the red tape of compliance and promise to make the process as simple as possible.
  • Tailored solutions

    From planning right through to completion, we provide tailored and cost-effective solutions.

Energy and sustainability services from RIBA 0 - 7

Whether you need a SAP for a bungalow, or overheating analysis for a penthouse, our technical specialists will work with you to find the best solutions for compliance within your deadlines and budget, explaining them in plain English.


An extension to your team

Providing cost-effective solutions, offering expert advice and liaising with the authorities on your behalf; you’re in safe hands from the first days of concept design through to final handover.

Meet the team

Trusted since 2006

With over 13 years’ experience, our specialists can provide a huge portfolio of energy and sustainability assessment services for your residential, non-domestic and mixed-use developments with areas of expertise including restaurants, retirement living, student accommodation, public sectors and schools. From our wealth of experience, we understand your pressures, timescales and individual objectives to offer the bespoke solutions you need.

Case studies
  • Planning

    • BREEAM
    • Ecology Assessment
    • Acoustic Design Advice
    • London Plan Energy Strategy
    View all services
  • Design

    • SAP Calculation
    • SBEM Calculation
    • Water Efficiency Calculations (Part G)
    • Condensation Risk Analysis
    View all services
  • Completion

    • Air Leakage Testing
    • Acoustic Testing
    • Thermographic Survey


    View all services

What our clients are saying

  • “Energist took my drawings and notes and produced As-Built SAP results and water usage calculations for building control. The drawings had changed from original design and so a bit more time was required for the assessor to read through my notes and make the necessary adjustments.

    Very good customer service, helpful from start to finish and I was able to speak with the individuals undertaking the work to ensure my requirements were met.”

    Jack Piccaver,

  • “Quick, reliable and always willing to offer a friendly service.”

    Heather Broomfield, Lyndon Brett Partnership

  • “CAMM Architects are delighted that the scheme achieves the targeted efficiency.

    We have an ongoing relationship with Energist and like the way we can talk through the proposals with them, which results in a robust proposal that will give our clients the confidence that the project is as efficient as it can be.”

    Paul Young, CAMM Artchitects

  • “Connie and the team always provide a technically competent solution to the issues in hand.”

    Robert Taylor, Spitfire Bespoke Homes

  • “The services are always provided on time, regardless of the time pressures we have put on Energist. This has been a massive help to us and our developer partners.”

    Richard Jones, Jig Architects

London skyline buildings

Developing in London?

Although we operate around the country, we understand that the requirements in London are different and offer a specific set of specialised services to satisfy compliance for the London Plan and developing in the London boroughs.

London services