References

There are lots of helpful guidance documents and specific regulations about building new homes, which you may find interesting. 

Space Standards:

https://en.wikipedia.org/wiki/Parker_Morris_Committee#Modified_1967_Space_Standards

https://www.gov.uk/ - Technical housing standards – Nationally described space standard

https://www.london.gov.uk/sites/default/files/interim_london_housing_design_guide.pdf

Lifetime Homes

http://www.lifetimehomes.org.uk/pages/lifetime-homes.html

Energy Efficiency

https://www.milton-keynes.gov.uk/planning-and-building/planning-policy/sustainable-construction-spd

Building Regulations

https://www.gov.uk/government/collections/approved-documents

Secured by Design

http://www.securedbydesign.com/

http://www.securedbydesign.com/wp-content/uploads/2016/03/Secured_by_Design_Homes_2016_V1.pdf

Building for Life 12

http://www.designcouncil.org.uk/resources/guide/building-life-12-third-edition

http://www.designcouncil.org.uk/sites/default/files/asset/document/Building%20for%20Life%2012_0.pdf