If it's shared, it's down to the utility company to repair. It's not your pipe. You are only responsible for sewer pipes that solely serve your property and are within your boundary. e.g. https://www.southwestwater.co.uk/household/your-services/your-wastewater/sewer-responsibility
Is chester...
I'm not sure any composites are 100% UV stable. I have used dino decking and they advise to allow for a certain amount of fading. TBH, the deck on our garden room (classic ash) looks just as good as it did when installed a couple or so years ago, but if compared to a new piece I expect it has...
You've got an extension that no-one is bothered about. It sounds like you want to take the roof off, make some minor tweaks to the gradient of the roof and recover it (If you are going to lift the roof a metre or so, then maybe that's different, but I'm presuming you need another 2-300mm at the...
That router bit is not suitable for that router. A trim router is designed to be used with small diameter bits for trimming and other lightweight jobs. For a 1/4" wide slot you need a 1/4" wide cutter. Never take a cut that is deeper than the diameter of the cutter, and a bit less is safe, so...
Not what I would do. Why voluntarily open a potential can of worms. Your extension has been there for years so looks like no-one is bothered except you. I would just crack on and do it, unless you have unfriendly neighbours who you know will cause trouble. Sounds like just a roof repair to me....
If you want to use it all year round, it needs insulation - including the floor. As @noseall suggests perhaps use the timbers you have to build an insulated suspended floor using the existing pad as the foundation, but my suggestion is to then build a SIPs building on top - fast, virtually the...
Not being funny, but are you seeking an SE for your own peace of mind? or because you need it for building regs? Is it an exempt building? If it is exempt and this is just to check your design, I'd try sticking the dimensions and construction in to AI and see what it comes up with.