If the batten on the left is well screwed to the wall then construction adhesive would hold it down to the wall top. I wouldn't want to rely on adhesive alone for the batten
If you wanted the support to be less visible then a length of steel angle would do you.
Why do you assume you're not going to crack the nuts with it: forces the assumption that it's inherently weak.
My spannering days are largely behind me but this doesn't sound like a must have.
How far do you want to extend? This would be helpful to answer.
You probably need to move the chamber left to the boundary, run forward then you'll need 2 new chambers to get back into line. This should work unless the existing drain is tight on fall.
You will have to submit information to...
The entire addition would be assessed against PD criteria.
Kitchen or bedroom?? You run the risk of creating a bit of a lash up TBH. Do the jpb properly: you might wind up devaluing the place.
Unlike Engineers, Architects have their title legally protected: back in the day I had a heated argument with Yellow Pages, who were trying to sell me advertising, insisting I should have an entry under architect.
What an underhanded bunch they were looking back: on another occassion they...
Like Old Salt, I'm a huge fan of Lidl. Their stuff is amazing value for money and the corded tools have really long leads which is good. I have a digital caliper (£10 iirc when Screwfix were £35) which is really helpful for checking existing steels in buidings, the excuse/reason for getting it...
You can get crushed concrete (it's recycled by defenition!) to type 1 grading in fact and as the OP says it is a superior material to the traditional crushed limestone especially in wet conditions, A bag of cement stirred in will also stiffen things up.
I your case I'd be more inclined to dig...
My daughter's previous neighbour kindly offered to go halves on her fence. Fortunately a few of my genes made it through to her and she gently pointed out to him that the fence was his should he care to refer to his deeds.
We have just moved and the rear and right side (viewed down garden)...