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...