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Interesting stuff Tex so thanks. I must say that of all the victorian houses I've looked at built around 1900 I've never seen one with a cavity wall though, and that article says 'by 1900 fairly common' I'll keep looking. (Dan, those lintels look a bit over the top to me.)

Fitted for £50 sounds ok. I've got a Wickes book in front of me and a 8'x2' T&G moisture resistant chipboard panel is £4.72. Don't know price of insulation.

It all depends whether the brickwork was done first, perhaps to a profile, and the windows fitted afterwards. They will be screwed in and most likely come out ok, but the ones I removed had been built in with metal clips attached to the frames bedded in the mortar course like you would build in...

You need to get maximum area in contact as Pressure=Load/Area so you need a stiff bedding mortar of 1:3

John, from what you have said it does sound like your floor wasn't laid properly.

There is access on some machines through the slot where the heating element fits. I have retrieved stuff that has got between the drum and the outer. Sometimes money is left in pockets, but it usually washes down into the pump and jams the impeller.

I can't think of a reason not to fit insulation above tiles as long as the floor is flat within 5mm/3m. Insulation and T&G chipboard is available from any builders merchant such as Travis Perkins etc.

You have fp; an interesting discussion I think. Anyway jeds, it looks like you can use a drawing from Approved Document C to support your view but when I use a drawing from the very same Approved Document C then you suggest it is a mistake. Is that fair? Have a look at this photo and tell me if...

I've read that jeds and seen the drawings, but my drawing also comes from Approved doc C Section 5-Walls. I still say it doesn't matter. The insulation below the floor slab means the floor slab is at a higher temperature. Sorry if I am misunderstanding you, but you appear to be saying that the...

Bad news then. I think the early windows were not too secure which led to the introduction of the internal glazed ones. It's like at one time some patio doors could be lifted out when closed. I'm sorry I can't advise about any form of security clips though.

It's ok to seal around pipes but I don't know the chemistry how it sets. Do a google search on it. I think there is a question mark about contact with electrical cables and that may be why cables aren't allowed in the cavity anymore, as foam was often used to insulate the cavity. It's more...

Have you ever used expanding foam though? There really is a big volume from one can and it sticks ok. It's very easy to use too much when filling round window frames. You say there is rubble about 6" down so if you can get the tube from the nozzle down there I don't see why it wouldn't work. I...

Why I ask is that just because a window has external beading it doesn't mean that it can be removed easily. I once went along the internal glazed security window route and the advantage to me was that the window could be installed entirely from the inside, including the glazing. You pay for this...

I suggest 8'x4' expanded poystyrene sheets, available in 25mm,30mm,40mm to suit the depth. 8'x2' T&G moisture resistant chipboard on top, glued on all edges wedged from perimeter wall while glue sets then remove wedges to leave expansion gap. The joints in the polystyrene should be staggered so...

I haven't installed one recently but from memory I think the opening only needs to be 380mm, so in a house where cement mortar was used the bricks would be self supporting. There is only one brick unsupported in the worst case so a piece of galvanised steel strip would do if you have lime mortar...

I quite agree about other people's smoke - filthy habit. :evil: It doesn't sound like that building complies with fire regs regarding appropriate fire-stop. What I would use would be a can of expanding foam, as long as there are no electric cables though. Wickes, Screwfix, Machine-Mart etc.

The quote is binding if the work was completed.

Have you actually done this?

Please don't call it a day masona. I haven't been here long but there are a few guys that go out of their way to help others, and you're one of them. With any building job there will be different ways of doing things, so not everyone will agree all the time, but isn't that what adds a bit of...

I certainly am Adam, that's why I said: You obviously know that the expansion of the plug can split the render. I found out the hard way, years ago. :)