When a ridge or floor beam projects beyond the eaves in a loft conversion, there are three solutions. Some affect the structural calculations — here’s what each involves.
Maximising Head Height in a Loft Conversion: Your Technical Options
Advice Centre
Head height is the defining constraint in most loft conversions. Here are the main structural options for gaining usable headroom — from raising the ridge to dormers and flat-top extensions.
Ceiling Joists Interrupted for Loft Conversion: Satisfying Building Control
Advice Centre
When ceiling joists are cut for a loft conversion, roof triangulation is broken. Building Control may raise this. Here are two accepted solutions — and which is simpler.
Why Do I Need a Ridge Beam in My Loft Conversion?
Advice Centre
When you remove the purlins and collar ties from a traditional rafter roof, you remove the triangulation that holds it together. A ridge beam replaces this structural function and prevents the roof from spreading.