how much roughly to convert under stairs cupboard into toilet?

[tomatoface]

& is it a bit job?
thanks

have you got a concrete floor?

where is the nearest soil pipe?

no it's a wooden floor.. (in an victorian terrace)

eek no idea where the nearest soil pipe is. the bathroom is on the next floor up not directly above the stairs cupboard but not too far away.. is that too vague?

(& I meant 'big' job not 'bit job')

yes it's too vague. How far is "not too far" in feet or metres?

Go and look for the soi pipe that travels from the WC and goes into the ground. Is it iron or plastic? How far is it from the proposed position? What's between them?

Are there any manhole covers to be seen? (they may have been buried or hidden under paving)

ok, I've had a look. Pipe seems to be iron. WC is on 1st floor. Pipe travels down to ground floor & from that point on ground floor there is about 8 feet between that and the proposed position. In between them there is a bit of our kitchen and then the (narrow) hallway

Kitchen floor has slate tiles. Hallway has sort of laminate wood flooring which is buggered & needs to be redone anyway

oh, and no manhole covers that I can see

This sounds exactly like our set up in our last house in Bristol. It cost £1800 which didn't include the cost of the toilet, basin, tiles.

the iron pipe might have to be replaced in plastic, though an experienced plumber can cut iron, there might be too much jigging about to make it worthwhile.

The floor will have to come up between the new WC and the soil pipe. Depending on the direction the joists take, it might be able to travel between them or go underneath. It will need a downwards slope all the way.

Some sanitary engineers would take it on, some plumbers might say it needs a builder. Start by getting recommendations for local people from friends and neighbours. Any website on the "findaplumber" lines is likely to have a lot of agencies on it with no real-world local address or phone no, who will want to take a cut and pass the job off to someone who for some reason has no local customers.

ouch. so £1800 to do everything + whatever it costs to buy a toilet, basin & tiles? It seems a lot for such a tiny space but I suppose it's a bugger of a job plus having a toilet downstairs would be so handy. How long did it take to get done? (or was it done as part of a bigger job?)

thank you piglet, will have a hunt around for recommendations & then take it from there. It does seem like a bigger job than I'd hoped (the floor coming up in the kitchen is the bit that puts me off)

I'd say about 2k.

Don't forget you'll need to submit a building notice to the council's building control.