A loft conversion
is classed as a habitable room, and must comply with current Building Control
Regulations that are a legal requirement.
They specify certain standards that your house must attain.
Here are some basic regulations that a loft conversion must comply to:
Work inspected and passed by building control
Insulation/windows to comply with the correct U-Values
A fixed staircase / Minimum height restrictions apply
Smoke detectors hard wired
Part P electrical certificate
Form a new lobby and fire door to conversion
Final certificate from building control