Loft conversions are popular in the UK. Here's how to quote them accurately.
Types of Loft Conversion
Velux/Rooflight (Simplest)
- No structural changes to roof
- Rooflights for light and ventilation
- Price: £20,000-35,000
Dormer (Most Common)
- Box dormer to rear
- Increases headroom and floor space
- Price: £35,000-55,000
Hip-to-Gable
- Extends roof at gable end
- Often combined with dormer
- Price: £45,000-65,000
Mansard
- Complete roof restructure
- Maximum space gain
- Price: £55,000-80,000+
Quote Components
Structural
- Steel beams
- Floor strengthening
- Staircase opening
- Dormer construction
First Fix
- Insulation
- Plasterboard
- Electrical rough-in
- Plumbing rough-in (if en-suite)
Second Fix
- Plastering
- Joinery
- Electrical fit-off
- Plumbing fit-off
- Decoration
Planning and Building Regs
- Permitted development (most dormers)
- Planning permission (front dormers, conservation areas)
- Building Regulations approval required
- Party Wall Agreement (terraced/semi)
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