How To Support A Sagging Bay Window

I have a 2 storey semi-detached house with a double bay window. The business firm was congenital circa 1930. The top storey bay has moved slightly away from the house causing internal and external cracks. Also, the floor in the bay seems to droop past approximately 1 to 2 inches from level. The bottom storey is fine so information technology does not appear to exist settlement or subsidence. I take been informed that it was near likely the outcome of the window frame being usupported when the quondam window was removed during the installation of the double glazed windows. The building survey didn't indicate any serious structural issues.
My question is: How much would it cost to rectify and is it a major chore?

Regards
No idea equally to cost, but they should have used structural bay poles, to have the loading, every bit previous window members were loading bearing, & potent enough to cary the load without a lintel.
Windows frames will demand to come up out, you need acrows to support ground flooring & first floor, then you need to jack up up to return everything to their orginal levels & fit structural bay poles.
I presume under that pebbledash peradventure brickwork, if information technology were tiles, then information technology would a timber frame work.
It volition come up underBuilding command I suspect.

Terminal edited: Jul 24, 2016
As what Kiab has said in a higher place but I would add to lift the carpets and floor boards and bank check the joists running into the bay. If the structure is audio - no rot, no cracks etc. you may want to double upwards on the joists becuase once timber has been used to being in one shape information technology ever likes to render to it. The rule of thumb is 1/iii projection and 2/3 inside the building.
with scaffold, props, potentially new windows, remedial piece of work to brick work /plaster you are looking at many thousands of pounds. So it may be worth returning to the surveyor to ask some serious questions.
A few coffee's, I'thousand abit more awake now, very surprise it wasn't picked upwards by building survey report, highly likely new windows, as bay poles aren't that small, too bay window brickwork might demand completely rebuilding.
As Sospan up with rug & floorboards & have a expert nosey & have look in the cranium over the bay.

Bay windows come under Building Regs Approved Certificate A.

https://world wide web.gov.uk/government/uploa...achment_data/file/429060/BR_PDF_AD_A_2013.pdf
Thanks for all the replies. I mistakenly wrote edifice survey when what I meant was homebuyers report. I am budgeting for about £5000 (The price I got off the asking price). Is this a reasonable guesstimate for "many thousands of pounds" ?
Homebuyers report, totally worthless, full structral survey e'er best.
But,even with a structral survey things, can exist missed, as they won't elevator floorboards, etc, it's but visual.
I would question why the brickwork on the lower bay is a different colour, this looks like it was rebuilt. The crevice has been there for some time as it has had several bodged repairs with cement.
I would contact a Structural Surveyor to look at this
Looking at start photo, trim abay left bay window, looks similar it'due south sloping,as does wall above, might just exist photographic camera angle though.
Yeah, it droops by about one-two inches. My neighbour who has lived next door for years explained that the cause was the replacement of the window every bit he watched the workmen. He said they didn't back up the structure when the old window was removed. I believe this is a mutual trouble with double glazing installations not done properly. However, I am less concerned about the cause and more interested in getting a rough thought about the toll of making it correct. Even if I need to rebuild the bay, I would similar to go an idea and then I can commencement planning and budgeting.
Thanks.
Hi Home.
How many houses of this style are on your road? I presume the other half is identical anyway?

Chust wondering aloud, but I wonder if these trophy are original? Or peradventure only the lesser one?

At that place's some contrary stuff there - the upper floor has 'sagged' in that bay, but the downstairs bay windows certainly oasis't been crushed or sank! Also, with all that sagging, the rendered upper department would have done more than simply croaky - it would have crumbled...

And so, something's a bit weird. Could only the lesser bay have existed originally, in which case it may accept had a sloping flattish rooftop on it - ie the same slope as we currently come across there?

I'd besides hazard that the current windows - which don't look that old (any idea when they were fitted?) - are not the cause of this sagging, but that all that 'settlement' occurred before they were fitted.

So, what's needed to sort it? Depends on what'due south 'incorrect'.

I'd love to seen under that carpet in the upstairs bay - what do the floor joists do as they become in to the bay? Are they 'add-ons' or extensions?

And I'd like to know who fitted these latest windows and when - they could very well exist properly designed windows with structural poles in them, and then all the movement has now come to a halt and no farther remedial activeness is needed.

In which case all that house needs is for the floor into the upstairs bay to be levelled - like shooting fish in a barrel, a few £undred - and that's about it.

Any thoughts on what you'll do with the rendered department? Continue it equally is, or paint it a prissy colour? If the latter, and so you can probably chust fill these cracks with a practiced sealant (eg resin), fiddle it to blend in the texture, and so paint it.

That is all, of course, best case scenarios...
With all that droop, how come all that render didn't break up and fall off?!
Hi Devil.
Almost every house in the street (approx 30)
Could exist, just at that place is absolutely no evidence of anything wrong on the footing floor living room.If you start walking from the centre of the room towards the bay information technology slopes down very slightly. I don't know how these houses are built, only I thought the floor joists grade office of the downstairs ceiling. However, I don't see any notable bowing of the downstairs ceiling. I oasis't measured it to be sure. There is definitely no sloping in the floor of the bay in the downstairs living roomWindows fitted January 2013 according to the FENSA certificate.
Years agone I watched something similar happen because they had merely used ane Accrow prop quite a bit off centre. The outer foliage of brick slipped down a couple of inches at one end when they took the lower bay window out
What they did was have the outer foliage of brick down and replace information technology with either wood or plastic panelling and then reducing the weight. I don't know what they did with inner leaf. . I don't know how you would go on nowadays with Regs about insulation and estrus loss etc.
You lot need a good local builder who tin observe out just what has moved and why. It may be possible with thick insulation to comply with current Regs and have a low weight solution.
My advice would be not to throw a lot of coin at it as you never know what else may go incorrect in the future.
If there is a Fensa certificate, information technology is a slim chance but they may be interested in having a look at the quality of windows and installation
Yup, a 3-year erstwhile installation is nothing - it's practically brand new. Both the windows and the plumbing equipment should be comfortably under warranty still.
I doubtable, tho', that this effect was not caused during that last installation - I simply can't encounter how a ii" drib in that upper department could have occurred with such footling damage to the render?

And the upper window seems level enough - surely that would take sagged in t'middle besides as information technology wouldn't have been supported along there?

Anyhoo, I guess information technology'south going to need an contained surveyor. I wonder if Fensa volition send someone out?
At that place was a warning on this last year,plainly the bottom bay frame should have large pieces of aluminium in them to take the load rather than relying on the plastic frame.Apparently some manufacturers were not putting these in,even worse some fitters were removing them before fitting the frames and weighing them in for scrap.Some were that weak that it was impossible to open up the downstairs windows,or they would open one time then fail to shut properly.
Heard of that happening more once.