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How We Can Help

on Wednesday, 22 February 2012. Posted in pages

Green Box Associates is a technical consultancy based in Hampshire that helps architects, planners, construction professionals and private individuals to use sustainable construction techniques to build energy efficent and eco-friendly buildings.


  • Are experienced Certified Passivhaus Design Consultants
  • Use Passive House Planning Package (PHPP) to model and design ultra low energy homes
  • Undertake thermal bridge modelling and U value calculations using accredited software
  • Provide advice and specifications to deliver low energy and low carbon homes
  • Can show compliance with Part L1A and B of Building Regulations (SAP assessments) and issue EPCs
  • Provide reports for planning applications on energy demand and meeting sustainability criteria
  • Deliver training on all aspects of low energy building and Passivhaus

What We Do

on Wednesday, 22 February 2012. Posted in pages

We help reduce energy demand and carbon emissions by finding the most appropriate and cost effective options for building fabric, materials and services. With our involvement your buildings will be better for their owners, their budgets and the environment.

We are highly qualified consultants, with many years experience, working in the built environment. We bring deep knowledge, strong principles, total commitment and love of buildings to all we do

We work with people who plan, design, construct and live in buildings to ensure that they are efficient, effective and as beautiful as possible

More than assessments, we look at the whole building, the site and the design then offer solutions to improve performance.

  • We liaise with Planning, Building Control and other professionals to make sure your building meets all their requirements
  • We work with you to help improve the performance of building fabric and reduce energy demand
  • We can model a variety of options and offer a range of different solutions
  • We offer training on how to reduce energy demand in buildings

If you are planning a new build, conversion or extension then please contact us to discuss how we can help.

Current research

on Tuesday, 27 January 2015. Posted in pages

Post occupancy evaluation of Passivhaus homes

Rachel has embarked on a funded research PhD with the University of Bath. The Decarbonising the Built Environment Department within Architecture and Civil Engineering has been set up to bring together a range of desciplines to tackle carbon emissions in buildings 

Rachel is working in conjunction with the Passivhaus Trust and WARM Low Energy Practice undertaking post occupancy evaluations of certified Passivhaus homes. The purpose of the reasearch is to test the theory that there is no performance gap in homes built to the Passivhaus Standard. Both space heating in winter and overheating in summer will be considered.

The early results have been published and are downloadable from the Passivhaus Trust  here