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Dormer - cost - piece of string calculation
Looking at terraced houses (for a friend).
Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Next issue - can all this be done from the inside (like a roof light)? If not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. Cheers Dave R -- AMD FX-6300 in GA-990X-Gaming SLI-CF running Windows 7 Pro x64 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
Dormer - cost - piece of string calculation
On Tuesday, 27 March 2018 15:05:04 UTC+1, David WE Roberts (Google) wrote:
Looking at terraced houses (for a friend). Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Next issue - can all this be done from the inside (like a roof light)? If not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. Cheers Dave R How are you going to put slates or tiles & leadwork onto your new roof structure from the inside? NT |
Dormer - cost - piece of string calculation
In article ,
David wrote: Looking at terraced houses (for a friend). Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Next issue - can all this be done from the inside (like a roof light)? If not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. Pretty impossible to make a good job of altering the tiling or slates etc from inside after fitting a dormer. Looking at some round here, it's difficult enough with a Velux. -- *Microsoft broke Volkswagen's record: They only made 21.4 million bugs. Dave Plowman London SW To e-mail, change noise into sound. |
Dormer - cost - piece of string calculation
On Tue, 27 Mar 2018 07:15:57 -0700, tabbypurr wrote:
On Tuesday, 27 March 2018 15:05:04 UTC+1, David WE Roberts (Google) wrote: Looking at terraced houses (for a friend). Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Next issue - can all this be done from the inside (like a roof light)? If not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. Cheers Dave R How are you going to put slates or tiles & leadwork onto your new roof structure from the inside? NT Put up the frame, tile and lead all round, then fit the panels and windows? Roof on last, perhaps? Would have to be fibreglass, I suppose, unless you had a very athletic roofer. There might be a way to design a kit for fitting from the inside, but no doubt working from the outside would be easier. It was prompted by the ability to fit a roof light from the inside. Cheers Dave R -- AMD FX-6300 in GA-990X-Gaming SLI-CF running Windows 7 Pro x64 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
Dormer - cost - piece of string calculation
On 27/03/2018 15:05, David wrote:
Looking at terraced houses (for a friend). Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. When I converted a loft about 15 years ago, I estimated the additional cost of building a front dormer instead of just roof windows would be something like £2 - £2.5K extra. (and at the time would have needed planning permission). If you are starting from scratch however then I would expect it to cost considerably more, although you ought to be able to DIY for under £10K I would have thought. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Depends on how much roof you are replacing with (a) dormer(s) - but generally purlin's can be removed if the roof they are supporting is no longer there, or you can find a way of replacing their function - say with a dwarf wall. If you look at: http://www.internode.co.uk/loft/superstructure.htm The front roof pitch was staying in place, but the purlin needed to go, so it was replaced with a wall. The rear dormer basically replaced that entire side of the roof, so once its roof was built, I just took a chainsaw to the roof on that side including its purlin! Next issue - can all this be done from the inside (like a roof light)? If No, not sensibly. not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. I think you will find gravity works much the same at that latitude ;-) -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
Dormer - cost - piece of string calculation
On Tue, 27 Mar 2018 17:22:32 +0100, John Rumm wrote:
snip If you look at: http://www.internode.co.uk/loft/superstructure.htm The front roof pitch was staying in place, but the purlin needed to go, so it was replaced with a wall. The rear dormer basically replaced that entire side of the roof, so once its roof was built, I just took a chainsaw to the roof on that side including its purlin! snip Thanks for the fascinating link. Fascinating because that looks like a '30s 3 bedroom semi very similar to ours in the roof structure. [Apologies if it is 4 or more bedrooms.] Straightening the roof gives a lot more space. Making me wonder idly if it would be worth it to make the roof suitable for solar panels; not having a lot of roof makes the number of panels you can mount uneconomic (or it was many years back when we last looked). However that was then (with a massive FIT payment) and now it is unlikely to cost in. We don't need any extra space, either. Cheers Dave R -- AMD FX-6300 in GA-990X-Gaming SLI-CF running Windows 7 Pro x64 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
Dormer - cost - piece of string calculation
On Tuesday, 27 March 2018 15:50:04 UTC+1, David WE Roberts (Google) wrote:
On Tue, 27 Mar 2018 07:15:57 -0700, tabbypurr wrote: On Tuesday, 27 March 2018 15:05:04 UTC+1, David WE Roberts (Google) wrote: Looking at terraced houses (for a friend). Generally four stories from basement to loft room Some have a dormer, others just have a roof light. I was wondering what the very approximate cost might be to add a dormer. Piece of string, I know. No dimensions on the listing I am viewing, but the room width is unlikely to be more than 18 feet and more likely to be less (2 bedroom). Looking at the picture a single bed goes about half way across the room, so possibly 12 feet. Assume a dormer of 8-10 feet wide for starters. Next issue - there is a roof support half way up. I assume that that could be cut because most of the roof is going. Otherwise that limits the height. Next issue - can all this be done from the inside (like a roof light)? If not, there is a LOT of scaffolding needed to get up 4 storeys including the loft room. Then again it looks as though the soil pipe will need moving (they seem to lie them on the roof up to the apex - presumably to clear the various windows in the loft rooms). Leeds area, if this helps. Cheers Dave R How are you going to put slates or tiles & leadwork onto your new roof structure from the inside? NT Put up the frame, tile and lead all round, then fit the panels and windows? ok, then you'd just be working on the outside without scaffold. If diying you don't have to have scaff AIUI, it's just safer. NT Roof on last, perhaps? Would have to be fibreglass, I suppose, unless you had a very athletic roofer. There might be a way to design a kit for fitting from the inside, but no doubt working from the outside would be easier. It was prompted by the ability to fit a roof light from the inside. Cheers Dave R |
Dormer - cost - piece of string calculation
On 27/03/2018 19:06, David wrote:
On Tue, 27 Mar 2018 17:22:32 +0100, John Rumm wrote: snip If you look at: http://www.internode.co.uk/loft/superstructure.htm The front roof pitch was staying in place, but the purlin needed to go, so it was replaced with a wall. The rear dormer basically replaced that entire side of the roof, so once its roof was built, I just took a chainsaw to the roof on that side including its purlin! snip Thanks for the fascinating link. Fascinating because that looks like a '30s 3 bedroom semi very similar to ours in the roof structure. [Apologies if it is 4 or more bedrooms.] Yup it was a 3 bed when I started, and 5 when I was done ;-) Straightening the roof gives a lot more space. Indeed. Making me wonder idly if it would be worth it to make the roof suitable for solar panels; Probably not. -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
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