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Last updated: 16 September 2024
Skylight repair cost guide
Skylights are a beautiful addition to any home. However, when skylights break or leak, they can be both annoying and potentially destructive. Read on to get the lowdown on the average skylight repair cost in the UK.
Skylight repair cost
| Cost provided item | Unit | Average cost |
|---|---|---|
| Leaky skylight repair | Labour & materials | £150-£850 |
| Cost to install new skylight | Labour & materials | £1000 - £2,500 |
| Skylight removal | Labour & materials | £100-£200 |
| Seal replacement | Labour & materials | £50 - £150 |
| Flashing or frame repair/ replacement | Labour & materials | £175 - £400 |
| Glass repair/ replacement | Labour & materials | £250 - £850 |
| Last updated: September 2024 Our costs are ballpark averages - get a local tradesperson to quote now | ||
The average cost of repairing a leaking skylight will usually fall between £150-£850, depending on the extent of the damage.
In some cases, the damage may be great enough that it will be more cost-effective to get a new skylight installed altogether. The cost to install a new skylight will be around £1,000.
Due to the placement of a skylight, external access via the roof may be necessary, which would put your health and safety at risk. Even if DIY is possible from the inside, it's not advisable unless you’re experienced with it, as you could damage the nearby roof tiles or cause yet another leak.
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FAQs
How often do skylights need to be replaced?
This will really depend on how well your skylight lasts. The seal and flashing may need to be replaced more regularly than the window itself.
How do you maintain a skylight?
Skylights should be properly maintained by having at least an annual deep clean.
Where do skylights usually leak?
Even with maintenance, leaking skylights are a common complaint. When the seal between the glass panes and the frame is worn or weathered, cracks can occur, causing condensation to collect between the panes. In other cases, leaks in different parts of the roof can send water beneath the tiles and towards the skylight.
Skylights usually have a metal barrier placed over the roof joints designed to prevent leaks by serving as a line of defence against moisture. This is what's known as flashing. However, even flashing can fail and cause leaks. A professional can assess the window and determine the route cause of the problem before providing a quote.
Can I repair a leaking skylight by myself?
If you have previous experience fixing windows, DIY may be an option. If you do not have the experience, you could botch the repair, making the leak worse. If you have any doubts about a repair, contact a professional tradesperson for a full quote.
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