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Hi all, Our new extension has an insulated slab. Make up of around 150mm of hardcore, 50mm sand, DPM,100mm foil backed PIR board and 100/110mm concrete. This brings us level with the DPC and the original floor slab of the house. (The house is built on a concrete slab). The remaining house has...

Hi all, I may have the worst luck ever... we are well underway with a small (albeit larger home extension). The neighbours and everyone being fantastic, no issues with anything... The foundations and walls are now up... even though the drawings sailed through the prior approval process, the...

Hi all, I am having a single storey extension (25m2 ish) built at the rear of the property, with a warm flat roof. Plans done (but some issues have arisen (see my other post in building on steel beam problems!). Doing via a building notice, rather than full plans... I have to resolve this by...

Been moved by the responses to this conundrum by Tony and Noseall, that's a tidy job, wish our bricky was as diligent... its like trying to bath a cat dealing with him and the SE. I like Tony's latest sketch as it means no messing... The final call on the matter will be the BCO. However if now...

Great solution, don't think the engineer wants to entertain anything but text book... The builder now suggests to knock down the 9inch solid, and put another few meters of foundation and new cavity... bah!!!! and what a bloody mess that is going to be at this point... This is the only steel in...

Thanks Tony, I am going to try and get this through, but BCO maybe hard. I am talking with the engineer later if he calls me back, the engineer was proposing what i saw as a complicated new solution by putting a standard RSJ across the brick face on the cavity to the brick face on the solid...

Hi all, I have a basic issue to overcome on a small single storey extension. In a nutshell, the two nibs either side of the 4.0m opening for a new bifold are two different wall types. There is a nib in 300mm (100/100/100) cavity wall one side and a nib in original 9inch sold brick the other...