We haven’t even started on the house itself yet: we’re just focusing on the retaining wall, which should be a relatively simple thing to construct, but we’re having long and intricate debates about how exactly to do it. This is probably a good thing: better than just going at it thoughtlessly and getting it wrong. Holding back all of those tons of earth and preventing them from collapsing onto the house and its occupants is quite important.
So, we’ve got our civil engineer-approved plan. We know we need drainage and something called back fill, which involves a lot of gravel. We’ve even been advised on the type of gravel: 10mm limestone, and we’ve found a local supplier of that who can deliver. What we’re struggling with now is quantity. I asked the civil engineer to: “Come and look at it again, and tell us how much we’re going to need, because surely you do that kind of thing at work all the time?”
And I was told: “No, we have quantity surveyors for that. I just draw up the plans, then the quantity surveyor comes along and sets out the quantities of everything.”
A quantity surveyor? There are people whose job it is to just do that??
Hmmm. ‘Just do that’ doesn’t really convey the difficulty of the thing, though. We have no idea whatsoever how many kg of gravel we’re going to need: all we can do is order a dozen bags or so, use them and then order more and carry on like that until the job is finished.
The other issue is the breeze blocks, or cinder blocks, or concrete blocks or whatever you want to call them. They’re not as cheap as we hoped they’d be. Both B&Q and Wickes charge 97p a block – which, when you need 200 of them (we did manage to work that out) is very expensive. Other suppliers won’t tell us their prices unless we divulge our inside leg measurement and supply them with DNA samples, it seems.
£200 though! That would have paid for the floor, or the roof, or all of the windows and the door. We’re funding this project on a wing and a prayer as it is, without needing to pay out so much money for the retaining wall.
And we do have a lot of our own stone:

– although whether there’s enough for the free draining foundations and the retaining wall is debatable. Also, building from that kind of stone takes about 1000% more time than with breeze block, and we’re on a deadline if the straw bales are to have three months of settling time before the first frosts.
I think we’d rather use natural stone than concrete, because it would save the money and just be nicer to work with, but Ali isn’t 100% sure if he’s got the time or the expertise to do it properly. He’d learn as he went on though, wouldn’t he? However, it’s got to be his decision.
We were plaguing the civil engineer with questions last night, like: What happens to the backfill if he spends a few days building the wall with natural stone, then changes his mind and takes it all down? (The backfill will be mostly gravel with a small amount of concrete to bind it, so it will be semi-porous.) Will it collapse, or will it have set? The answer to that was: “No, it won’t have gone off [that's 'set', to you and me] so quickly, but it will collapse onto him as he takes the wall down, then he’ll have the problem of where to put it while he rebuilds with the concrete blocks.”
So we’ve got to make a decision one way or the other, really. And soon.