Roof Window Installation Guide
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o3 Mini / AI Assistant
02/07/25, 14:04
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Scope of Works
• Evaluate roof structure and mark out the installation area
• Provide safe access using scaffolding or roof platforms
• Remove or adjust existing roof coverings if necessary
• Fit the modern roof window with appropriate flashing and waterproof sealing
• Apply insulation and ensure all seals are secure before final testing
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £150 | £200 | First 30 min on site included |
Labour per hour | £60 | £90 | Skilled roof window installer rate |
Materials | £50 | £120 | Flashing, insulation & sealing materials |
TOTAL (most jobs come in here) | £600 | £1200 |
Time on Site
Most roof window installations take between 2–4 hours per window. Additional time may be needed for complex roof structures or if installing multiple units.
Questions to Ask Your Tradie
• What measures do you take to ensure effective waterproofing?
• Do you offer a warranty on both installation and materials?
How to Avoid Surprises
• Request a detailed quote including all materials and labour costs
• Confirm whether any structural modifications will be necessary
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