Energy & Sustainability.

September 10th, 2022

Underfloor Spray Foam Insulation

Waltham Forest Borough Council has recently undertaken a comprehensive retrofit of energy efficiency measures on a property at 47 Greenleaf Road, a typical Victorian end terrace property in Walthamstow, east London. Built in…

August 17th, 2022

Heat Pumps – The Future for Home Heating

In September 2020, the NHBC Foundation published a guide called “The Future for Home Heating – life without fossil fuels” [ref. NF87], which was researched and written by Dr Neil Cutland, then of…

August 11th, 2022

EPCs and Home Surveys

In this article, residential surveyor and domestic energy assessor, Tim Kenny, considers the introduction of the RICS Home Survey Standard and the advice surveyors can give to clients in their home surveys in…

December 11th, 2021

Energy Performance Certificate and Value

This year, one of the major high street lenders introduced new valuer guidance asking valuers to consider the EPC in their valuation process. We are writing this article as COP26 Glasgow has just…

August 17th, 2021

Heat Loss in Dwellings

With the effects of climate change becoming more prevalent and legislation adapting to reflect it, we thought it would be useful to cover the key principles of heat loss in dwellings, and how…

February 10th, 2020

SAP 10 – Battery Storage and PV Diverters

Following on from our previous articles about the changes expected in SAP 10, in this article we cover the addition of diverters and battery storage for PV systems in the next version of…

November 10th, 2019

SAP 10 – Changes to Lighting

If you’re a regular reader of our technical bulletins, you’ll know that in our last two issues we looked at two of the methodological changes expected in the next version of SAP: hot…

September 11th, 2019

What is RdSAP 9.94?

RdSAP 9.94 is the latest version of RdSAP used for producing Energy Performance Certificates for existing dwellings from 22nd September 2019. The update from 9.93 includes: 

September 10th, 2019

RdSAP – A Potted History (2)

SAP was introduced for the first time in 1995, as the basis of a new approach to Building Regulations for new homes. It was subsequently updated in 1998, 2001, 2005, 2009 and 2012…