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Our annual usage is 20,000 kWh, it increases hugely once we start heating the house! We are just south of Oxford - 1989 property, cavity insulated at the time. We had the heating on Nov 1st but are being frugal just boosting it for an hour a day. Bit silly really as were spending 3x as much on...

I thought that too. But I think 12k is the average for a 3 bed house with 3 people. We are in a 4 bed detached, family of 4. However we are somewhat frugal in as much as 2 people working from home and we don't ever put the heating on until the kids come home. I am guessing this 20k is largely...

Oops typo. Corrected. Thank you.

Trying to weight up the cost/expense benefits of updating our boiler. Current boiler: GlowWorm Space Saver MKII (1989) - 65% efficiency (when new). Replacement: Combi - 90% efficiancy Replacement Cost: £3800 Current annual gas usage / cost: 20,000kWh (£2,000 + £102 standing charge) Efficiency...

Thanks. They did mention hot & cold pipes, but they are quoting without seeing it.

Just tested it, and nothing form the pump.

OK, I have no idea in that case lol

We have a regular heating pump, but doesn't affect showers.

We have a standard boiler from about 1986. Working fine to be honest but only about 65% efficient when new. We have very poor gravity-fed showers and whilst we have a big tank, we keep running out of hot water as trying to be efficient with pre-heating only 45 mins a day. Some says we don't...

Yes, but so is everyone else. To be fair there seem to be some benefits - More space in loft - More space in airing cupboard - More water pressure for shower

It's currently in a utility room on an external wall with the flu going through the wall and straight outside. They want to put in the loft - I don't know exactly where.

We're in the market for a new boiler; we have had 3 quotes and all but one of the companies that quoted seem keen to move it and keep quoting for us to relocate the boiler upstairs in our airing cupboard. We've told them we want it in the same place as that is surely cheaper but they seem to...

It's a utility room sink, we seldom use it for anything to be honest aside from maybe cleaning a golf shoe once a year. The only thing that goes down those pipes is the washing machine.

Here's a picture of the bit I took off, put back in place - thought it was a u-bend but maybe not then? And a diagram.

I took the u-bend off to check it. The smell is definitely coming from this pipe in the photos with a red line. I just don't know how far down this gunk goes...

So I have undone the ubend that is connected to the washing machine and it's full of black stinky gunk. I have put a rod down it but didn't seem too clogged up. How do I clean this out? The pipe goes away from me then left and out of the house. There is a sink above it - this is a utility...

Yes both of them. Separate plumbing and different rooms - though I suspect eventually lead to the same place plumbing-wise...

Have cleaned both machines (separate plumbing) and yet we still get an eggy smell when both machines are ending their cycles and I assume emptying water. Drain does not seem to be blocked so far as I can tell. Any advice?

Thank you. The 12 l/min was actually the kitchen tap, my mistake. Quotes for a standard boiler swap are around £2500, so with a possible £500 a year saving this would take 5+ years to make sense - I get what you're saying. If we went for a shower pump only for the time being, I am guessing...

Thanks, yes I am finding everyone wants to do a combi with seems at odds with online advice. Why would this be? If we stuck with a standard boiler, would there be any point/benefit in replacing the tank? We have a 30+ year old beast with no kind of insulation like they have now.