What to do. If you think you or someone else has broken their leg, go immediately to your nearest accident and emergency (A&E) department. Call 999 for an ambulance if the injury seems severe or you're not able to get to A&E quickly. While you make your way to A&E or wait for an ambulance:
A tubular skylight typically costs between $150â$250 for a small, basic model, and $200â$500 for a larger model. Installation can add another $150â$500, depending on the size of the tube and the distance it must travel through the roof. Once youâre adding a skylight you may want to redo your room.
Installation cost for a 2-by-4-foot skylight runs from $500 to $3,000. Hereâs how the costs break out: 1  Cut a hole in the roof and alter the rafter framing: About $200.  Install and flash the skylight: With asphalt shingles, expect this stage to cost $200-$300 â figure 20% to 30% more for metal or tile roofing.