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Outbuilding for Pins

JMP

JMP

Registered
10 Years
Joined
Aug 12, 2011
Messages
3,522
Location
Lancashire
I'm back on plans for an outbuilding for pins as numbers are exceeding house space (again).

Anyone got experience of fibre-glass flat roofs? The builder I've used regularly once proposed one of these, can't say I like the look of them tbh but looks like I need to stay under 2.5m roof height throughout due to being 0.5m from boundary with neighbour, otherwise it's the planning permission route, scale drawings and all that....

Don't want the hassle of flat felted roofs. Just wondered if anyone who has one of the fibre-glass ones has encountered any problems/issues? Ta.
 
I went for epdm rubber, easy to lay and will last a long time, not harmed by uv (maybe pinch of salt), but recommended by roofer as opposed to felt ?
 
Agree with mission 65. Rubber is good. It's basically made from tyre rubber and very tough. You could put it down yourself as it would come in just 1 sheet.
I built an indoor swimming pool last year with a roof area 18m x 8m. That was covered in 2 sheets so 1 join. Wouldn't have lifted it up in 1 sheet as bloody heavy.
Fibreglass is good also and tbh my choice. On the same job we had another flat roof approx 7m x 7m and that looked great after. Fibreglass can be painted most colours with special paint unlike the black rubber. You could fibreglass yourself but would need to get trained up 1st. Best get someone in.

Si
 
Mother has fiberglass flat roof on her garage. Done about 6 yrs ago. Still looks like new and no leaks. I dont spend much time in her garage so dont know about thermal properties. Noise or condensation
 
Fibreglass or rubber Paul are only approximately 5mm thick.
simple case of working backwards from the top. Now I dont know how big a building he wants but if you said for arguments sake 12ft square then you'd want a minimum of 7x2 timbers or 5x2 if you ran a purlin underneath to break the span but this then becomes a head hazzard.
7x2 is 175mm plus 18mm ply on top and a minimum 75mm fall from centre of roof each way.
This makes a total of 268mm down from your 2.5m height. Plenty of room.
If it was me, I'd warm roof it, which means insulation board ontop of your ply then covered with another layer of ply. This is all screwed right down to the roof rafters from the top.
If this were a house you'd want a minimum of 125mm celotex style board but I reckon you'd be fine with 50mm boards and this would still insulate the roof well and would/should eliminate any condensation problems and would only add another 68mm to overall roof measuring a total of 336mm plus covering leaving best part of 2.1m internal.

Si
 
as gear has said i had celotex on roof and under the floor, not insulated the walls on mine so will see how cold it gets this winter and if bad insulate the walls as well,
 
A small garage heater will do wonders.

Even when it got to -17. Our little 60w tube heater kept the garage at about 4c.
 
Used to work with glass (done roofs + the old man was a boat builder) I would recommend the one piece rubber membrane ordered to size.
 
Yea I guess I agree with Andy. Go for rubber. Possibly a little more money but fitted in hours and finished. Just over order on size to guarantee a complete cover down the sides.
only downside, as Henry ford said, any colour so long as it's black :D

si
 
JMP said:
I'm back on plans for an outbuilding for pins as numbers are exceeding house space (again).
Click to expand...

Glad to see you finally looking into this now your collection is really taking off :thumbs:

Just don't do what I did. My cabin/shed which was supposed to be cheap and easy went way over budget and has taken forever to still not be finished even with several people helping :rofl:
 
Thanks all for the contribution.

Being 0.5m from the boundary is everything here and don't want to relocate it. Would prefer pitched roof but can live with flat at 2.5m max. constant or slightly pitched height. Suppose will be cheaper anyway.

So..., looks like fibre-glass has decent results and the rubber sheet too.... Suppose will come down to cost in the end and would be black either way. Not got time or skill to do this myself so getting quotes in for it from start to finish. Although, if price makes it a non-starter... may have to revise that to include the Lancashire pinball building crew. You know who you are ! ;)

Looking at 6.4M X 4.2M internal floor space (27 sqm.) so can keep under 30 sqm on the external and avoid any building regs. hassle.
 
About time,
Any help needed just shout.

Don't overlook a brick/block build and tiled roof.
 
Cheers Daz, reciprocated.

That's the plan, but pitched tiled roof exceeds my height limitation. Would be block built, rendered externally. Fit some trellis' etc. to try blend more into the garden. Builders quote likely over my budget but have to start somewhere....
 
Damn shame you live up north or I'd have built it for you :)
you could dig the foundations yourself. In fact, all you need is a 6 to 8" concrete reinforced slab.
get yourself on a bricklayer course :D..........
 
lukewells said:
Just to clarify, planning control told me no part of my building could be above 2.5M from the adjacent ground
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http://www.planningportal.gov.uk/permission/commonprojects/outbuildings/

Outbuildings are considered to be permitted development, not needing planning permission, subject to the following limits and conditions:
  • No outbuilding on land forward of a wall forming the principal elevation.
  • Outbuildings and garages to be single storey with maximum eaves height of 2.5 metres and maximum overall height of four metres with a dual pitched roof or three metres for any other roof.
  • Maximum height of 2.5 metres in the case of a building, enclosure or container within two metres of a boundary of the curtilage of the dwellinghouse.
  • No verandas, balconies or raised platforms.
  • No more than half the area of land around the "original house"* would be covered by additions or other buildings.
  • In National Parks, the Broads, Areas of Outstanding Natural Beauty and World Heritage Sites the maximum area to be covered by buildings, enclosures, containers and pools more than 20 metres from house to be limited to 10 square metres.
  • On designated land* buildings, enclosures, containers and pools at the side of properties will require planning permission.
  • Within the curtilage of listed buildings any outbuilding will require planning permission.
Click to expand...

However...

Building Regulations
If you want to put up small detached buildings such as a garden shed or summerhouse in your garden, building regulations will not normally apply if the floor area of the building is less than 15 square metres and contains NO sleeping accommodation.

If the floor area of the building is between 15 square metres and 30 square metres, you will not normally be required to apply for building regulations approval providing that the building contains NO sleeping accommodation and is either at least one metre from any boundary or it is constructed of substantially non-combustible materials.
Click to expand...
 
Yeah been looking at that Paul, I'll falling within unless you see something different...? Have emailed Planning office too and they've been quite helpful before mentioning there should be a fee for consultations.

geardownthreegreens said:
Damn shame you live up north or I'd have built it for you :)
you could dig the foundations yourself. In fact, all you need is a 6 to 8" concrete reinforced slab.
get yourself on a bricklayer course :D..........
Click to expand...

Ah shame, that would have been ideal. :). You could always move into the summerhouse, full fridge of cold beer at your disposal and cash wad at the end of it. ;)

The builder I've used a lot is a good guy with good workforce but not on the cheap side and had to knock him back on the last job because of it. Saved myself a grand by doing so.... Haven't ruled out doing at least some of the work myself, in fact think about digging the foundations every time I look at the space.

Couple of local lads on here are building extensions currently (or about to) and was interested to see how those progressed for motivation.
 
The way i personally read it is if it falls within the constraints then you wouldn't need planning permission - let along needing to consult them!

Thats a government website, so the info on it would be official... I mean - would you look to contact them if you were putting up an 8x6 shed?? I wouldnt - and since it's within regs it wouldnt be worth rattling their cage and alerting them to the fact you are thinking of putting up a large shed... you are then on their radar... :D
 
Fibre glass roof for my Cabiin was quoted at 3K!!
With regards to 0.5 metres from boundary, that is fine as you are building brick/block.

If the outbuilding was wooden then it's 2.0 metre away from boundary as possible fire risk of spreading.

2.5 metres from gound to apex/peak of roof I believe it is, unless is 2 metres from boundary then could be up to 4metres is how I interpreted it,
 
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Yes never contact the local gestapo they will want to know the far end of a fart and raid you piggy bank..
 
Been OK with me, answered two emails and clarified things then said any further queries submit to website with sketches (or plans if falls within planing) as there's a £30 fee which increases to £172 if through planning side.
 
Dave Bishop said:
Fibre glass roof for my Cabiin was quoted at 3K!!
Click to expand...

:eek:. That's not a good start.... Cabin will have to be backup if this thing is OTT on the cost. Already thinking now about doing the foundations myself at least.
 
Cheers mate. Just to recap Daz, your garage is brick/block and insulated timber/plywood faced internally? Did you leave a cavity too?
 
Correct on all counts but no cavity.
25mm insulation on all walls and 50mm on ceiling and floor.keeps toasty warm in winter with a single oil filled radiator.
No problems with condensation or stuff like that .
Looking forward to starting the extension on the rear, then I am up to room for 16 now that sounds more like it.
 
Just give me a shout when you need another pair of hands.

Started clearing sheds (so can move them) today... until it started p*ssing down !! :mad:
 
JMP said:
Yeah been looking at that Paul, I'll falling within unless you see something different...? Have emailed Planning office too and they've been quite helpful before mentioning there should be a fee for consultations.



Ah shame, that would have been ideal. :). You could always move into the summerhouse, full fridge of cold beer at your disposal and cash wad at the end of it. ;)

The builder I've used a lot is a good guy with good workforce but not on the cheap side and had to knock him back on the last job because of it. Saved myself a grand by doing so.... Haven't ruled out doing at least some of the work myself, in fact think about digging the foundations every time I look at the space.

Couple of local lads on here are building extensions currently (or about to) and was interested to see how those progressed for motivation.
Click to expand...

Planning passed for my/our extension, give her a bigger kitchen and then more room for my pins in another room :) plus outside log cabin or more than likely block built shed but the only problem is finding somebody to do it at a reasonable price
 
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