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Bay window roof leak (Ed.)

Joined
28 Oct 2024
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United Kingdom
Hi guys,

I was hoping you’d help me here with an issue I’ve got. My bay window is letting water on the first floor of my Victorian house. I’ve had two quotes from roofers ( couldn’t get anyone else to come). I’d just like to sense check the prices as I don’t really know what to expect or if there’s any further questions I should be asking.

One was from checkatrade who took pictures of the bay using a drone, sent them after some prompting, - correctly identified underneath the current coating it’s probably original roof. Offered to call to explain my options but forgot, sent through a quote of £730 inclusive of scaffolding materials of labour after I prompted.

I’ve asked what materials and he’s replied.
‘ That’s the original sandstone base which was laid when the property was built.
Yes so roof Primer, and bitumen mineral torch on felt, the flashing is the same material cut into a chase in the wall, and secured with lead clips.
Any other liquid based products I wouldn’t be confident would take directly to the sandstone, I’d say it would fail sooner rather than later.’

The second roofer was referred from someone I know, had a quick look at the photos the first roofer took and provided 3 options. He also spotted the guttering on the bay isn’t working properly as the left side of the house has a line of moss on it.
‘Full new bay roof in code 5 lead will cost £2100, this would require fixings to secure the lead in place.
In torch on roofing felt 5kg will cost £950, a lead apron flashing sealed into brickwork joint is included on both options.
To re-point the roof in cromapol Roofing compound will cost £170’

I like the detail on the 2nd quote but it seems high for what appears to be the same as the first roofer. Though he has been much more prompt. I would if he priced the felt higher to make the full lead option look more appealing?

I attach photos of the bay and one from inside the house.

Should I ask about insulating whilst they are up there or anything? Unsure if it’s possible if it’s stone underneath the bay.

Many thanks for your help, sorry for the wall of text.
 

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First quote is too low. Sounds like a cowboy outfit, who will no doubt increase the price once they have ripped your roof open. I have fallen victim to that so I would not recommend anyone that quotes unrealistic low prices.

Second quote sounds more realistic.
 

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