There is a growing population of architects, builders and planners who are familiar with CSH, and know what needs to be done in order to meet what can be a strict and rigorous planning condition.

One thing is definitely for certain: C4SH (The Code) requirements can be a postcode lottery; you are far more likely to be asked for the Code if you are building in the South East of England or around the Midlands. Although more and more planners are starting to ask for CSH compliance, especially on...

BRE has just released its proposals on how the SAP methodology should be changed in line with the planned revision of Building Regulations in 2013; the next step towards proposed Zero Carbon houses by 2016.

It should be noted that this is consultation stage only.

There are eight key changes which may be relevant on upcoming housing developments.

This consultation only applies to the calculations used for producing SAP assessments and EPC's. It does not cover Target Emission Rates, limiting U...