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Air admittance stack preferably, if necessary - we could do vent through roof, but due to trying to get as close to a retrofit passivhaus standard as possible, the AAV would be superior from a thermal perspective. The deeper chamber was installed a few years back as a 'temporary' setup as you...

We are about to install a bathroom in a new location at the front of a Victorian terrace (to regain rear bedroom) & as such we will be running a new soil pipe. The plan is to chase it in to the wall slightly in the hallway downstairs, 'hiding' it within the lobby door lining design, using...

This has been considered. Unfortunately there aren’t many other options for placement to avoid this problem (it’s a small Victorian terrace close to boundaries on all sides) Ideally we would not be installing another gas boiler at this point given the government objective to ban gas boilers in...

We have done some heat loss calculations already which has informed my design which is relatively experimental (a contiguous Hempcrete skin around the entire property to eliminate junctions of different materials) A standard assessment of the property would be misleading at present (we removed...

A washlet isn’t suitable for the nature of the medical condition (also why a bidet wouldn’t be installed). A ‘shower head’ is needed to carefully wash ‘downwards’ whilst sat on toilet in the right direction for prevention of utis. Looks like building regs means that won’t be possible given space...

Thankyou. I guess I see it as simplification in a way. Every house I have lived in with trunk/branch plumbing suffered with problems with long time for drawing off cold water from hot taps (wasted water) and large drops in flow whenever another appliance was used. We did a basic re-plumb of...

Thankyou for this reference. I recall reading about this and it put me off since it seemed complicated & would take up a lot of space. I may have to exclude this which is a shame since it would really help one occupant avoid kidney infections.

I am in the process of moving a bathroom from the rear 'outrigger' of a small victorian terraced house, to a section of the front bedroom. We are about to build the stud walls & since I plan to install a manifold setup for hot and cold water, I wanted to check what folks thought of this...

Thanks Hugh - I'm going to take those points on board & do some sketches models over christmas (i've measured levels etc a bit more accurately with a laser level now). Perfect - we will work back from FFL then to ensure a sensible fall (I'm assuming 1 in 40) & use a rest bend on the backdrop...

Glad I'm not alone in thinking that given the research I've done (but obviously without the wisdom of years of experience in this area like you guys seem to have) ...that other guy's post got me a bit worried though! Thankyou for the reassurance. Good point to make. I was aware of this when I...

Thanks Ian - I definitely worry since, once you've had run-ins with rats in your house... you've seen enough to last a lifetime! Once they are in, it is an incredibly expensive, disruptive and emotionally challenging process to evict them. Mice are a complete doddle in comparison... rats get...

Just one of many resources : "Interceptor traps, in most cases, were unnecessary and in modern construction they are rarely found." There is also zero mention of interceptors in Document H (which I have literally read front to back) except for use on drainage mounds and in petrol filling...

We are working in a very tight space - there would be no room for an interceptor and a manhole I doubt - its already encroached on where the extension was planned. The diagram with the y-junctions was my initial feeling of how things might have to be connected - however, I don't want to do...

Interesting - so you are of the view that interceptors deter rats? I thought most people thought that they would just swim through them. I am very keen to avoid rats (my previous property got infested with them and it was a never-ending battle) ...but obviously interceptors seem to be quite...

Ha! :D

My new thread regarding the design of the rest can be found here if anyone is interested :)

The original cracked/leaking clay drainage of the house has been disconnected and partially removed, with an inspection chamber installed as described in this thread (thank you to those who so kindly offered advise) We have temporary drainage set up & need to figure out the next step. This is...

A clearer video showing what lies beyond the >6" clay pipe embedded in the brick wall. You were completely correct Ian - this is a covered over manhole! No idea if it was covered by the victorians when they extended the run (this house was built after the one immediately to the left, downstream)...

Then we connected a 15° bend to the spigot of the pipe inserted in the >6" clay pipe in the manhole wall. This was a bit awkward, since the mortar was still not very well set & we wanted to avoid disturbing it by pushing the plastic pipe inwards & breaking the bond/seal between plastic & mortar...

Finally managed to get the IC installed yesterday. Bailed out few inches of rainwater from trench... Squidgy clay... the kind that pulls your boots off... Cut collar off & removed cracked section... Covered end to protect joint surface & packed with newspaper to support pipe whilst...