Some comments about the Law Commission’s work on codifying sentencing procedure can be found here:

https://www.lawcom.gov.uk/project/sentencing-code/

The Sentencing Council publishes guidelines for judges on both particular types of sentence and general sentencing principles. The Sentencing Council’s website is here:

www.sentencingcouncil.org.uk/

The sentencing council’s guideline on burglary offences can be found here:

www.sentencingcouncil.judiciary.gov.uk/guidelines/guidelines-to-download.htm

This is a link to the Sentencing Council’s guideline on offence seriousness:

www.sentencingcouncil.org.uk/wp-content/uploads/web_seriousness_guideline.pdf

The Sentencing Council’s guideline on the appropriate discount in sentence where an offender pleads guilty can be found here:

https://www.sentencingcouncil.org.uk/wp-content/uploads/Reduction-in-Sentence-for-Guilty-plea-Definitive-Guide_FINAL_WEB.pdf

Division VII M of the Criminal Practice Directions 2015 sets out the minimum terms to be served by an offender convicted of murder:

https://www.judiciary.gov.uk/wp-content/uploads/2015/09/crim-pd-2015.pdf