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Thanks to all for the advice. I will be using dense block both sides for rear ext and dense block with facing brick for the porch. Yes in Scotland the windows must be rebated, not sure if is best to return the inner leaf with insulation. If I left the walls open at the ends with the insulation...

Hi Folks, Building a new front porch, I need new door and frame, most of the UPVC stuff looks crap and can cost £600@@@ ! I like the idea of composite door but any ideas on where to find at cheaper than £600 (BQ) or should I just go with best timber door set I can find. any suggestions on a...

In Edinburgh, building new single storey extension, I would lik some help on how to deal with the block/brick around window/door openings. I need to make sure it is insulated and properly sealed. Best to use cavity closers? or return the block with some insulation to close cavity ? Do I use...

Hi Folks, Single dad in Edinburgh trying to do as much as I can myself, I have to replace my existing system that has an old Baxi boiler with the separate hot water tank upstairs, taking up room. there is a large cold water tank to feed it in the attic, I guess it is a familiar old system. I...

Hi, Been working my extension project and have got my strip foundations in, thought we had got the top level but after seeing rain in the trench I could see one end of a 5 m stretch was about 50mm lower than other side, there are a few low areas but the 50 mm was the lowest. these low areas...

Actually...I still need help ! Blocks, can anyone help me spec the best block to meet the 0.24w/m2k, I see you said 100 mm std aircrete, when I contacted Knauf for U value spec sheets they asked me what thermal conductivty the block was, I looked around the web but so many types. My front ext...

Thanks to all, this forum is a good place with very helpful people. Nice to get advice from well experienced people doing things properly...great !

Hi folks, just read my building control info, the U value to be achieved is 0.25w/m2. I would prefer the insulation in the cavity rather than interior. Cheers

Thanks folks, I will get the value and post it later today

Thanks, yes, I don't understand how they got her ext passed ! I don't think we have party wall agreements here in Scotland. Cheers

You're on the ball :) Thanks again, I got it, I can go with cavity fill on 50 and acheive it I think, what is the general thinking, does cavity fill cause any probs or is it best to have an air gap for what ever reason

Thanks for the help, the foundation design I got is unclear and the guy rarely answers my calls to sort it out. The neighbours boundry extension wall has a trench fill to about 300 to the base from ground level, our (semi detached houses) are on a found base of 450 mm from ground level. I...

Thanks, for the help, seems I must have at least a 100mm cavity with insulation to meet a minimum U value standard. As you suggest I will contact some insulation suppliers for detail info, thanks again.

Hi, My draughtsman submitted (and now approved) plans and building control for front and rear extensions with a timber frame with brick/block skin. Happy with that in front but I wanted trad construction to the rear as the kitchen will be there and I want to be able to hang my units anywhere...

Hi, Apologies for this question list. I am going to build a couple of small single story extensions to my house here in Edinburgh and need some foundation advice. I used a draughtsman to get my plans and building control through but there is very poor info on what is required, he has not...