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Original poster

Left hot tap running all weekend. How much will it cost?

15 replies

OhBuggerandArse · 30/04/2019 16:01

I am an idiot - I don't see how I can have done this, but I walked into the house yesterday evening after leaving the house on Friday, to find the hot tap on. Noone else was around to blame, so it is all on me! We have a combi boiler, so the gas will have been on to heat it for c. 72 hours. Anyone able to guesstimate what the cost will be?

OP posts:
FiremanKing · 30/04/2019 16:02

How fast was it running? Was it definitely hot when you turned it off?

Original poster
OhBuggerandArse · 30/04/2019 16:04

Quite fast and audibly - that's why I'm so mystified as to how I could have done it. But I did leave in a rush.

It was hot when I turned it off, as was the room the boiler is in...

OP posts:
andantecantabile · 30/04/2019 16:09

Do you have a supplier where you submit online meter readings? If so, you could do that and it should instantly give you the figure.

Janek · 30/04/2019 16:09

I imagine it would cost the same as the heating having been on all weekend. Are you on a water meter?!?

Lellochip · 30/04/2019 16:13

I am also an idiot who somehow left a tap on pretty full for for a weekend - be grateful you didn't also leave the plug in Blush

Don't remember getting a massive bill afterwards so hopefully won't be too bad

womanhuman · 30/04/2019 16:15

If you can guesstimate volume, this’ll help.

Left hot tap running all weekend. How much will it cost?
CordeliaWyndamPryce · 30/04/2019 16:20

If you can guesstimate volume

Approx 5 litres per minute. And that chart suggests about 20p for 100 litres. So my (very rough) calculations come to around £15 per day.

CordeliaWyndamPryce · 30/04/2019 16:21

That's just for energy use though. Are you on a water meter OP?

CordeliaWyndamPryce · 30/04/2019 16:27

I imagine it would cost the same as the heating having been on all weekend.

Not really, cos the water in the heating system gets returned to the boiler after flowing through the radiators so uses less energy to get back up to temperature.

EdWinchester · 30/04/2019 16:35

Don't know, but my friend went on holiday for 2 weeks and left the gas hob lit!

Eliza9919 · 30/04/2019 16:38

Shock Was their house still standing when they got back @EdWinchester

Bringbackthestripes · 30/04/2019 16:38

My sympathies. We once came home from 10 nights Corfu and found the hot tap running- not full on but definately a warm trickle so combi boiler was running the whole time we were away. It can’t have been astronomical otherwise I would have remembered the huge bill.

Last year we came home from 10 nights away and the freezer had been turned off (by DH) which was FULL of batch cooked meals I had spend hours cooking because previously some numpty (DH- again!) had already accidentally turned the freezer off and all the meat had defrosted and needed cooking!

EdWinchester · 30/04/2019 17:04

Eliza9919 yes! and she just laughed. As someone who takes a photo of the boiler switched to 'off' when we go away, this would have ruined me.

Original poster
OhBuggerandArse · 01/05/2019 11:01

Thank you very much, everyone! And sympathies to my fellow numpties. Good to know I’m not the only one, and that I (probably) won’t have to extend the mortgage to pay the bill...

OP posts:
Sugarhouse · 01/05/2019 14:27

Check your taps are tight before leaving the house. Our bath tap did this a few times If it wasn’t screwed off tight enough it would switch it self on luckily we were always in the house when it happened. I hope your bill isn’t to big op

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