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Original poster

Heating overnight

180 replies

Frotheecoffee · 15/01/2024 01:31

Live in a flat and it's extremely cold overnight. Currently the hall is 14 degrees. Extremely cold throughout. DC is in my bed tonight. The thermostat on 15, and it will go all night I suspect. WIBU to leave it on all night or would that be terribly wasteful?

OP posts:

Original poster

Frotheecoffee · 15/01/2024 21:58

Illbefinejustbloodyfine · 15/01/2024 21:05

I meant to come back to add - I said earlier it's often 12 degrees when I get up. I fully expect it to be less tomorrow, as the heating went off while I was in the bath abd when I checked tge thermostat the temp had dropped from 17.5 to 14.5.

If I could afford it, I'd set the overnight temp at 15 and leave it on. I have oil CH though and no money.

Yes that's the same for my flat. If I turn the heating off now - it will be around 15-16 degrees within the next couple of hours.

Loft insulation and a very old roof are also the problem.

OP posts:

MajesticWhine · 15/01/2024 22:01

15 is very reasonable and not wasteful at all.

Sdpbody · 16/01/2024 15:38

Ours is set to 18 if we are in the house. Then I put it to 20 at 6:30 so it's warm for the hour we get ready for school and work and then I put it on at 2:45pm so it's 20 when they get home from school. I hate being cold but we do spend £12/£15 a day on gas and elec.

autumn1610 · 16/01/2024 15:53

@Frotheecoffee its not wasteful. The recommended temperature to keep a building at is 16 degrees to maintain the building fabric. I work in construction and facilities and all our buildings are set and designed with a minimum temp of 16 degrees. It helps prevent damp, burst pipes etc. so no I don’t see it as wasteful at all! My house is set min 16 throughout winter

C8H10N4O2 · 17/01/2024 08:38

DappledThings · 15/01/2024 17:38

Nothing about a minimum temperature on mine. It says it doesn't cover damage from frost or mildew and those could both result from consistent low temperatures but my boiler also has something that kicks in if it gets too close to freezing. 15 is a long way off that.

Show quote history

Which is why I said you need to check your policy and not rely on Google. Also check for changes each year.

Mine used to be a minimum of 15 when away from the house and at night in cold weather. A few years back after the big freeze (I think it was the Beast from the East year) this changed to a consistent nightly minimum. I queried this and it was due to the levels of pay out for burst pipes and water escape damage during the previous winter. Both sets of parents had similar. My boiler cuts in automatically below a certain level but that doesn't guarantee frost free pipes through the whole system, its mainly protection for the boiler itself.

As I said upthread - its also worth testing to see if your heating costs are lower with a consistent minimum of about 15. Mine definitely were - the ramping up and down of heat levels was more expensive than the consistent background level.

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