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I would be very grateful for suggestions here, We are building a porch as part of a larger refurb. Internal dimensions approx 2x3.2m Architect has pushed for single skin with 63mm thick insulation backed plasterboard Should we go for this over a cavity wall with partial full insulation? I’m...

Please could I have an idea of what I should expect to pay for the supply and fit of: - 152x152x30 steel beam 9m span, or spliced in 3 with 200x120x10 end plates - 400x155x12 flange plates bolted to the steel - padstones either either end 330x140 - a single SHS support column 100x100x5 -...

Hi all, I am in talks with the water authority re the position of a public sewer manhole at the rear of a proposed single story extension. As it stands, the extension is planned to be built right up to the chamber cover. The water authority have agreed that we can make adaptations to this...

Hi all, Thank you for reading this. I have applied for a build over agreement with Welsh Water and have just had a sewer trace performed. We propose to build near, but not over the public sewer at the rear of the property. As you can see from the attached plan that I've drawn post sewer trace...

Evening all, I am new to DIYnot but have had a read of some of the informative posts on the forums. I hope I can get some useful advice to help me navigate my current position in the best possible way. From the very start of our discussions with the architect and then subsequently the engineer...