fibreglass roof ("flat") for rear extension - re-mortgaging problems?

hi all,

we're in the late planning phases of a rear extension (nothing fancy, just extending 3.4m into the rear garden). we had a builder around (recommended by friends, we've seen work they've done at our friends) and he proposed a fibreglass roof. I know they can either be "flat" or pitched. if I was to go for a fairly flat roof, to keep things simple, will I have problems when I come to sell/re-mortgage?

I know it's an issue when the entire roof is flat, but if it's only an extension with a slightly pitched roof, will I get into trouble?

thanks

Comments

  • Doozergirl
    Doozergirl Posts: 34,064 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    No issue.  Sometimes there's a certain percentage of flat roof they may not like, but but for a modest extension, no issue at all.  
    Everything that is supposed to be in heaven is already here on earth.
  • aoleks
    aoleks Posts: 720 Forumite
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    great stuff, thanks. it will probably have a 10 degree pitch anyway, though I know that falls under the definition of flat.
  • grumbler
    grumbler Posts: 58,629 Forumite
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    For 3.4m you can possibly achieve a decent pitch (12°+) and get a proper tiled roof.

  • Bendy_House
    Bendy_House Posts: 4,756 Forumite
    1,000 Posts Second Anniversary Name Dropper
    Yes, it'll have a slight pitch in order to allow rain to drain off, but there is now't wrong with a GRP roof. That's what we had on our recent extension - FlexiTec 2020.
  • Will you insulate it as well?  I lost my resin roof in Storm Arwen and the insurer's paid for the replacement roof, I paid extra for insulation, the difference is really noticeable.  The other alternative is rubber?
    £216 saved 24 October 2014
  • twopenny
    twopenny Posts: 7,230 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    I know my insurance company asked if there were any flat roof parts to my new house.
    Don't know if that raises the premiums as i didn't but it sounded ominous.

    I can rise and shine - just not at the same time!

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  • Yes, they'll typically ask for a rough %-age of 'flat roof', and - after having the ext built - I tick the 'up to 20%' box. It has never been an issue, and if they questioned it, I'm pretty sure they'd accept a GRP roof with a 20-year warranty as being as good as a slate roof.
    More irony - we also have a pitched roof on a roof which is also GRP, but they don't 'ask' abut that as it isn't 'flat'... (That roof must be well over 25 year old now, and is perfectly fine.)
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