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I’ve got to do an 8 metre straight run of 22m copper for the hot water for a shower & basin, & I’m wondering what to do about thermal expansion. One end runs up to a wall & could be anchored there, the other end has nothing to get in the way & could take all the expansion & contraction. So...

The system is vented with a tank in the loft. New bathroom (shower, basin, WC) going in - also in the loft – so going to be negative head pumping for all of those. But, the bathroom is 16m of 22mm pipe away from the tank, so I’d have to run off a gallon every time, to get the first dribble...

I’m making a wetroom & trying to work out the structure. My main worry is about the floor. I had a serious case of dry rot once before in a previous house. The wetroom floor is between the 1st floor and the loft conversion, suspended timber (now heavily battened up for strength), then it...

the plumber says no problem mate … it’s all plastic these days … you just push fit them all together … 15mil … interesting job … just choose some fittings & give me a call … the mixer / tap / shower head saleslady says … nice choice of fittings, sir … 15mm? no, you’ll need 22mm pipework …...

I’m having a go at making a wetroom & have chosen Wedi base, floor & walls, and then going to tile it over. I’m doing the construction & getting a plumber to do the shower pipework, etc When it comes to plumbing – I’m trying to get it clear in my mind first – as it affects what I do with the...

Part C of Amendment No 2 : 2004 of the IEE specifies that a cable concealed in a thin wall or partition … … be enclosed in earthed conduit, trunking or ducting, …, or be mechanically protected sufficient to protect penetration of the cable by nails, screws and the like, … what does anyone...

I used to do my own wiring on my own house, but now I’ve been P’d off, so to speak. I’d like to do some still (and will have it officially inspected – I want it to be safe!) – can anyone advise me on cabling guidelines? This is what I usually do, but is it up to the current regs/good practice...

Not strictly an electrics question, but … I’m putting a new permanent floor down, but I know from past experience that I’m going to want to add new services somewhere in the room later on. ie say … – an aerial socket for putting the TV in a different place – a computer networking cable...

In my loft conversion I need to run power & lighting under the loft floor that’s going to be insulated. Usual construction – old lathe & plaster ceiling held up by old joists, topped with new independent joists holding up a wooden floor, and all to be stuffed with rockwool mineral fibre...

I’m doing a loft conversion – so completely new wiring. The new loft is a large bedsit, kitchenette, power shower, study & will be largely independent – son & family downstairs – oldies up top. Downstairs is all modern wiring, run off a consumer unit. I’m thinking it might be a good...

I’m doing a loft, and got to set up new stairs. I’ve been getting quotes from companies. Trying to do a 4-step winders – approved document K 1.20 states that ‘the going of the tapered treads should not be less that the going of the straight flight’. All the quotes seem to bend this rule. None...

I want like to install a WC in my new loft space. The existing WC downstairs is in the back section of the house & connects into a stack there. We also have another stack at the front that just takes rainwater drainage at the moment, and acts as a vent. Could I connect the new WC outlet to it ?

I’ve got an unpressurised CH system. About every couple of weeks I’m having to bleed one of the radiators, and I’m wondering/worried where the gas is coming from. It started about 3 months ago – for no reason – no work has been done on the system for a couple of years. It had inhibitor added...