TonyT

Increase size of holding tank, this may be the easiest option, maybe read the meter monthly to work out consumption and size tank accordingly. is there power at the valley/stopcock area, to add a pump set up if the other option isn’t viable?

I would contact the technical people at the supplier of the floor and ask their opinion on their product, safer option.

I know, just like have a think about the problem.

Both good brands

Nothing, path of least resistance and all that.? Could the condensate be altered to feed into this first of all? never seen one fitted. https://mcalpineplumbing.com/plastic-chrome-fittings/flexible-fittings-non-return-valves/t28m-nrvc-multifit-line-non-return-valve

Does he have any other 18 volt tools? we are a 18 and 54 volt dewalt set up and stick to one supplier for a few years until they break down

https://www.strongtie.co.uk/products/detail/hip-ridge-connector/342 one of these work instead?

Maybe the experienced plumber can buy one from the plumbers merchants where he will have an account.

Hang a curtain on the front face to hide the trestle. Instant SWMBO approval. screw a socket to the side for the microwave and kettle and she will love you forever

Get a couple of trestles and plywood and cut a sink out and sit a microwave on it. Make another and there is the prep space.

sorry you need to explain what this means?

Not to worry, I will have a look!

don’t fancy the motivational speaking, I’m firmly planted in the real world.

https://www.argos.co.uk/product/4153843 plenty 3kW heaters around

That’s how mass builders do it. you can of course put an off cut in too.

Cut your losses and get it fixed by someone else or walk away NHBC are useless main contractor down the tubes heating engineer’s contract with builder. heating engineer will blame builder. you will get stressed and upset emailing and phone calls It’s never going to be resolved to your satisfaction. is the floor a fire compartment? complicating things further? lifting flooring, glued down? damaging joists Cracking ceiling in flat below. if the oven heats the place up, then get a 3kW fan heater leave the ASHP as is and sell the flat

So is there anything in the loft looking strange above the crack?

So what’s above the corner where the big crack is?

So what’s above the crack? Loft? another flat? just taken a wall down and plastered up? just to get an idea, as you don’t provide a lot of supporting evidence, would be good if you described the room, timber floor, concrete floor? Wall construction

https://www.zinsseruk.com/product/gardz/ zinnser do great products,

Meant. Dressed to give look of sandstone, effectively troweled on, let go off and tool as required

https://stonemasonsedinburgh.com/lithomex/ good stuff! Not purchased from them, but used by my stonemason he used this to dress a concrete lintel, 3 years in still looks good.

Doesn’t look good

Combination of poor installation practices equalling non satisfactory outcome. It happens in every trade

Programmer might be on, but local thermostat for room says satisfied, turn thermostat all the way up?