Structural Design for Loft Conversions

We provide structural design for loft conversions, delivering clear, practical engineering solutions to support safe and compliant construction.

Whether you are creating additional living space or converting an existing roof void, we design the structural elements required to make the space usable and structurally sound.

Working with Existing Roof Structures

Loft conversions typically involve modifying the existing roof structure.

We assess:

  • Existing rafters and ceiling joists
  • Load paths through the building
  • Support conditions and bearing walls
  • The need for new structural elements

We then design the required structure to safely support the new loads.

Supporting Building Control

Our structural designs are prepared to support Building Control approval and construction.

This typically includes:

  • Structural calculations
  • Beam and member design
  • Structural sketches and details
  • Clear information for builders on site

We ensure that the design is straightforward to understand and implement.

Common Types of Loft Conversion

We provide structural design for a range of loft conversion types, including:

  • Rooflight (Velux-style) conversions
  • Dormer conversions
  • Hip-to-gable conversions
  • Mansard conversions

Each type requires a different structural approach, which we tailor to suit the property.

Integration with the Existing Property

Loft conversions require careful coordination with the existing building.

We consider:

  • Interaction with existing walls and floors
  • Load transfer through the structure
  • Construction sequencing
  • Practical buildability

Our aim is to ensure the conversion integrates safely and efficiently with the existing property.

Get a Quote

If you require structural design for a loft conversion, please get in touch with:

  • Property location
  • Proposed layout or drawings
  • Any available photos of the existing roof space

We will review your enquiry and provide a clear scope and fee proposal.

For most domestic projects, we typically require an upfront payment prior to starting work.

Get a Quote