Case Study

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Video – Expert Workshop: Electricity grid, networks and EV charging infrastructure

An event for local authorities and housing associations – Good Homes Alliance was joined by expert Marc Wynn, Director of Asset Utilities Ltd for an interactive workshop on housing development and the electricity grid.

During the workshop, we explored topics such as electrical networks, distribution network operator (DNO) engagement, grid constraints, EV charging infrastructure and capacity requirements for heat pumps.

We heard how the electricity network operates in order to provide an understanding of why there are grid connection issues and how excessive grid connection costs can derail EV and renewable energy projects.

Strategies and solutions were discussed to solve these ‘issues’ in order for an authority to deliver its projects – EV, renewable or domestic developments.


Grid Solutions – Marc Wynn




The future of SAP calculations

Making SAP fit for a Net Zero future

The team including CIBSE, Elementa, Levitt Bernstein, WSP, UCL, Clarion Housing Group and Etude has published a report on the future of SAP. The work makes recommendations on improving SAP and RdSAP so they are fit for Net Zero. The report was commissioned by The Department for Business, Energy and Industrial Strategy (BEIS).

What is SAP and why does it need improving?

SAP is the calculation methodology used to estimate and regulate the energy and carbon performance of new homes and the existing housing stock across the United Kingdom, from small works to large new developments. It is a central tool for those developing, implementing and tracking policies on energy, fuel poverty and carbon emissions and is being used by the whole building industry. SAP outputs are also used to inform residents. Its importance cannot be overstated.

The team has worked over the last year on a report that summarises the issues that should be addressed in the next version of SAP to make it the best possible methodology by 2023-2024. These include current trends affecting housing, the energy system, technologies and innovations such as performance testing and verification.

The 25 recommendations are split into five areas.

1. Better align SAP/RdSAP and its strategic objectives
2. Improvements to the methodology
3. Improvements to SAP/RdSAP and its ecosystem for Net Zero
4. For a better evaluation of energy use
5. Support to decarbonisation of heat and electricity

Download the future of SAP report

Download the full Making SAP fit for Net Zero report

Download the future of SAP summary report


Video – Net Zero Housing and Embodied Carbon

The second event in conjunction with out Build Net Zero Now campaign. 


Video – Net zero and the role of MMC

The first event in conjunction with out Build Net Zero Now campaign. 


A housing market catalyst to drive carbon emission reductions

The UK Green Building Council (UKGBC) published a new report, entitled A housing market catalyst to drive carbon emission reductions Low energy adjustment to Stamp Duty Land Tax, showing how a stamp duty incentive could help transform the energy and carbon performance of the nation’s homes.

The report demonstrates how a modest adjustment to Stamp Duty Land Tax could catalyse and drive the market to deliver both energy efficiency improvements and low carbon heat and power, whilst also being revenue neutral to HM Treasury.

Author: David Adams, Director, Good Homes Alliance 

Concept development, review and testing
Jenny Holland, UKGBC
Pedro Guertler, E3G
Nick Eyre, Oxford University Professor of Energy & Climate Policy
Lynne Sullivan, Good Homes Alliance
Mike Roberts, Good Homes Alliance
Steven Heath, Knauf Insulation

Publication date: April 2021



RIBA Plan for Use Guide 2021

Plan for Use is the RIBA’s interpretation of the Soft Landings Framework produced by the Usable Buildings Trust and BSRIA. Its aim is to encourage a more outcome-based approach to briefing, design, construction, and handover, both within the architectural profession and (by extension) to the construction industry as a whole. The Plan for Use is embedded within the RIBA Plan of Work 2020.

The building performance evaluation guidance and toolkit, produced for Woodknowledge Wales on behalf of the Home-Grown Homes project has been referenced in the guide. The document was authored by Susie Diamond & Julie Godefroy, for the Good Homes Alliance.

See the BPE guidance HERE

Author: Mike Chater, Principal Architect Property Services, Hampshire County Council
Project Manager: Alex Tait, Head of Technical Practice, RIBA
Editor and Case Study Curator: Jess Hrivnak, Sustainable Development Adviser, RIBA

Publication date: March 2021



Building the Case for Net Zero

This report published by the UKGBC highlights the real-world implications for achieving net zero buildings. The aim of the findings is improve the collective understanding for the buildings sector and to help build a case for new net zero buildings.

Author: UKGBC

Publication date: September 2020

Further information: