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Thanks Will have a read about the BC Condo Crisis. I've just checked with the builders, and the breather membrane definitely overlaps the external masonry wall on the ground floor. Their plan was to fix a concrete board to the external studwork, and then fix the EPS/EWI on top of this. Going right up to the soffit and sealing at the top. I'll discuss your proposal with them, thanks for the detailed knowledgeable responses.

If the top of the EWI is under the soffit (regardless of whether there is an attempt to close the cavity behind it or not), where could water come from? Are you thinking of just condensation? Thanks

Here are some photos of the gables taken at various stages over the last few months. I'm not around until tomorrow morning to take new photos of specific details

@Iceverge (and others)thanks for the replies. I'll upload some photos and annotate your sketch over the next couple of hours The membrane that can be seen from my photo is fixed underneath the studwork that can also be seen in the photo. Unless there are any tears that I haven't seen, whist it has been exposed any rain water hitting it has not entered the cavity below. More info to follow....

Here is a photo of the gable. You can see the external line of studwork. VCL laid over 22mm OSB set behind this. Behind that is the 150mm PIR set within the internal stud wall, and faced with 50mm insulated plaster board. The cheeks of the dormers are tile hung. You can just make one out in the photo. The external insulation has already begun being fitted to the ground floor and can be seen in the photo. The plan was for a silicone render over all of this.

Haha. Good spot. It should have read 7.3N blocks! There is no detail on the drawings to say whether the cavity should be ventilated or not. I had similar thoughts, that if the cavity was open at the top under the roof, then the external EPS is not adding any value, therefore I have asked the builders to make sure that there is a good seal at the top. Maybe I should not have asked them to do this.

Hello. We are nearly finished with a renovation (that is an almost new build). Large dormer bungalow shaped building. Ground floor 7.3kn blocks with Isover filled cavity and 90mm EPS covered in render. First floor gable walls and low stub walls below the pitch of skeiling starts, working outward: 50mm insulated plaster board, 150mm PIR board set within studwork, OSB, membrane, 100mm cavity, then external wall studwork on to which 90mm EPS will be fixed and rendered. We had a late design change from tile hanging the gables to render, hence bringing the gables slightly further out to allow a continuous render line. This has created the additional cavity at first floor level in the gables and stub walls. These will have the EPS board fitted by the builder on Monday. I have the weekend free. It would be about £250 in materials for me to stick some Isover 100mm Spacesaver within this extra cavity/within the secondary studwork line. Money is tight at this stage of the build, but it would be a lot more expensive to add more insulation at a later date. Is this overkill? Our SAP calcs don't require it, but is more always better

4 guys x 3-4 days to erect. Similar to remove. Equipment hire, disposables, vehicles, fuel, insurances, inspections. How much do you think it should cost?

When I looked at these a couple of years ago, I understood that they are in effect two small dishwashers rather than a single split dishwasher. I thought that felt like a lot of doubling both the risk and consequences of it breaking. I'm toying with the idea of having two full sized dishwashers in our kitchen. We have a space either side of the sink that would suit it, just struggling to justify the expense at the moment, so we might just save the space for the second.

We have designed one of the Liebherr ones in to our kitchen as a drinks fridge (in addition to a standard tall larder fridge). Having stayed at a friend's house where they had one filled with cans and bottles it seemed much more practical than sliding cans around a shelf on a normal fridge. They are about £950 though, so we'll have a blanking panel over the space that it will go in for a while.

Thanks. Unusual, but I like it. I've also recently seen someone mount a dishwasher at a higher level so that you don't need to bend down to load/unload it.

In many years of visiting houses and looking at them on Rightmove, the only time I've ever seen this is in a home that had been adapted for a family with some mobility issues. Even then the hob was on a height adjustable mechanism for those family members that didn't need it lowered. Do you have a photo?

@Originaltwist is that a copper worktop? Mind me asking who supplied it, as we've had a couple of quotes and it may be someone we've missed. Happy with it? We expect it to tarnish, mark and dent, but quite like the idea of it on our island gaining some character in what will be an otherwise quite modern ply kitchen.

I started this topic back in February, but as there has been a bit of recent activity on the thread I thought I'd give a quick update. We have found a local company that specialise in direct mount glazing to oak frames. They surface mount and then cover the edges with oak trims as described by someone earlier in the thread. I've in the last week finished sanding the internal faces of the frame and the glazing company have prepared the frame with various bits of DPC, and adding fillets/notches where required to sit the glass on. Rather annoyingly the glazing can't be finished until the front door is fitted, which will be in November, so we will have the upper levels glazed in the next few weeks, and the door level sections covered with Ply for a couple of months. We chose triple glazed glass, with a solar film, as the front of the house gets sun all afternoon and we wanted to avoid it becoming a greenhouse in the summer. None of this has been cheap, and if we were to do the house again, we might choose something more simple, but hopefully once it is all finished we will be happy with the choice.

Not really, but a few discrete steps on a non visible bit of the roof might mean I don't need to get scaffold up at some point in the future. I've scoured UK eBay and Amazon and don't seem to be able to find them. The only other places are EU sellers that don't explicitly say that they sell to the UK (I haven't emailed to check yet). Another solution might be to fit a bracket between the roof tiles near the top in a similar way to solar panel mounts that would allow me to hook a ladder over it.