Velux Loft Conversion
Simple, Affordable, Light-Filled
The most cost-effective way to convert your loft. No structural changes to your roof—just skylights that flood your new space with natural light.
Light Without the Expense
A Velux (or rooflight) loft conversion is the simplest and most affordable option. Since there's no change to the external roof structure, it's faster to build and rarely needs planning permission.
Ideal when you have sufficient head height in your existing loft. Simply add floor strengthening, insulation, skylights, stairs, and finishes. Perfect for home offices, guest rooms, or children's bedrooms.
- 6-8 weeks typical build time
- Usually no planning permission required
- From £45,000 fully fitted
- Minimal disruption to daily life
Is a Velux Conversion Right For You?
✓ Ideal When...
- Your loft already has 2.2m+ head height at the ridge
- You want the most affordable option
- Speed is a priority (6-8 weeks)
- You prefer minimal external changes
- Creating a single bedroom or home office
✗ Consider Alternatives When...
- Your existing head height is below 2.2m
- You want to maximise usable floor space
- You need multiple rooms with en-suite
- Your roof pitch is very shallow
- You want to add significant property value
What's Included
Velux Skylights
High-quality Velux windows with rain sensors
Floor Strengthening
New joists to support habitable space
Insulation
High-grade thermal and acoustic insulation
Staircase
Building regs compliant stair design
Electrics & Lighting
Full electrical installation with spotlights
Plastering & Painting
Smooth plaster finish, decorated to your choice
Velux Loft Conversion Questions
Velux loft conversions in London typically cost from £45,000-£55,000 for a standard single-room conversion. This includes all structural work, skylights, stairs, insulation, electrics, and finishes. We provide fixed-price quotes.
Usually no—Velux conversions fall under Permitted Development as there's no change to the roof's external shape. However, in conservation areas or for listed buildings, planning may be required. We check during our free survey.
You need at least 2.2m head height at the highest point (ridge). If your existing loft is lower than this, a dormer or mansard conversion may be more suitable as these add the height you need.
Book Your Free Loft Survey
We'll measure your loft, check head height, and provide a fixed-price quote within 48 hours.