Guidance and resources
Local Authority Building Control (LABC) approved documents
Local Authority Building Control technical resources provide the building regulations approved documents and technical guidance for England.
Following the guidance in the approved documents can help show that you have complied with Building Control Regulations.
Private sewers and drains
United Utilities give guidance and advice on your responsibilities regarding sewers and drains.
Local Authority Building Control (LABC) guidance notes
LABC technical information Guide to Extending your Home.