Under-stairs toilet

Question

I have a lot of space under my stairs which I’m currently using as storage however I have no downstairs toilet, how much would it cost to put a toilet under my stairs and how long would it take.

Gary · Accepted Answer

Cost £1-2000 depending on where the water & waste supply/outlet is, a saniflo system can be used if there is no waste supply nearby, time 2-5 days

Arselaan · Answer

hi it will cost around £1500-£2000 also depends on what toilet and sink etc you need and it will take around 3 days

Dylan · Answer

It depends on the water and sewage services. A competent tradesperson will come and assess the area and advise on the options after surveying. To quote for something without seeing is very difficult.

Byron · Answer

Hi it can take about a week or 2. On the price depending if you need a basin toilet. Pump and tiles and so on

Khashaf · Answer

It all depends on how far the pipework for the hot and cold is. If it's an easy job then it would be cheaper. If bringing this to the toilet area is awkward then this could raise costs. 
Next would be heating pipes if needed. If the area is cold then it would be recommended. 
The biggest problem most conversions face is the sewage waste connections. Does it need to be from a distance and how to get it to the area. Do you need a macerator ?. 
Then you may need lighting, tiling, plastering. Is there a window as an extractor fan would be required too? 
Lots of little things will raise the final costs. It's could be £700 to 4k depending on the complexity and requirements of the job.

Dan · Answer

It will cost around £2200, to fit the toilet and sink with all the plumbing that needs to be done, could be more if 110mm waste pipe and cold and hot water pipes are far away and it is hard to reach them and needs more work.
For example need to take out the floor, wall, etc.

Conor · Answer

2 /3 days depending on hot and cold feeds and toilet waste pipe is, if upstairs toilet close to stairs

Pawel · Answer

Between 4-6 days. Depening where is located waste outside and what is on the floor.

Thandiwe · Answer

That question can be answered correctly only if the assessment is taken from the property as we need to know how far your main whole is or you can have a macerator toilet 🚻 

We hope this answers your questions

Gloriouswright here

Under-stairs toilet

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