Velux Window Installation Cost Guide Ireland (2025)
Adding natural light to your home is easier than ever with Velux windows, Ireland’s most trusted roof window brand. But what does it really cost to install one? Here’s everything you need to know about Velux window installation costs, key factors, and how to get the best value in 2025.
What Impacts Velux Window Installation Cost?
1. Window Size & Model
- Standard manual models are most affordable.
- Electric or solar-powered models cost more.
- Larger windows increase both material and labour costs.
2. Roof Type & Access
- Pitched roofs are standard, but flat roof installations require special models and flashing.
- Slate or tile roofs may need extra work for proper sealing.
- Scaffolding may be required for high or difficult-to-access roofs.
3. Number of Windows
- Installing multiple windows at once reduces the per-window cost.
4. Flashing & Insulation Kits
- Proper flashing and insulation collars are essential for airtightness and warranty.
Typical Velux Window Installation Costs in Ireland
| Item | Typical Cost |
|---|---|
| Velux window (standard) | €500 – €1,200 |
| Flashing kit | €100 – €250 |
| Insulation collar | €50 – €120 |
| Labour (per window) | €600 – €1,200 |
| Scaffolding (if needed) | €200 – €500 |
Total cost (supply & fit): €1,200 – €2,000 per window
The Velux Installation Process
- Survey & measurement
- Roof opening & structural checks
- Window fitting & flashing
- Insulation & airtightness
- Internal finishing
Professional installation ensures leak-free performance, full warranty, and building regulation compliance.
Grants & VAT
- Home Renovation Incentive (HRI): May apply for larger projects.
- 13.5% VAT on home improvement work.
When to Choose Velux Windows
- Attic conversions needing fire escape
- Bedrooms, kitchens, bathrooms for extra daylight
- Extensions with pitched or flat roofs
Common Mistakes to Avoid
- DIY installation without proper flashing
- Choosing the wrong size/model for your roof type
- Skipping insulation collars (leads to condensation)
- Not using a certified installer (voids warranty)
When to Call a Professional
If you’re unsure about sizing, roof type, or want a guaranteed leak-free installation, call a professional Velux installer. Our team provides:
✅ Free site survey and advice
✅ Transparent quote with all costs
✅ Certified installation for full warranty
✅ Fast, clean, and safe work
Related Roof Window Resources
Essential guides for homeowners:
- Skylight Installation Cost Ireland – Compare all skylight options
- Roof Windows vs Skylights: Complete Guide – Which is best for your home?
- Flat Roof Materials Guide 2025 – Best materials for flat roof windows
- Flat Roof Services – Flat roof window installation
Schedule Your Velux Window Survey Today
Don’t guess your costs—get a free, no-obligation survey and quote from Ireland’s Velux experts.
Call now: +353 89 981 9675 or request your Velux quote online
Brighten your home with professional Velux window installation.
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