ProDave

Technically you could use the concentric for L and N and run a separate earth alongside it. But it is not an approved cable in the wiring regs for use after the meter, and it is DEFINITELY not okay to run a combined neutral and earth after the meter. If you do use it, keep quiet. Assuming you have a PME earth, For the house, I would be connecting to that and adding a couple more earth rods to it, one right next to the house. Do NOT connect the caravan to the PME earth, that will need it's own completely separate local earth rod. For delivery of a heavy item try palletways, likely to be £100 or offer the shipment on https://www.shiply.com/ I used that for a couple of large items.

As we are talking of a DIY install you will not be eligible for export payments. That needs an MCS install and when you compare the cost difference you will realise you will never recoup the MCS premium with the export payments in your lifetime. So forget that. BUT even with a DIY install you have to notify it to the DNO and perhaps that will make them look at the installed meter and if it is a spinner, replace it. And unfortunately now, any replacement will be a smart meter.

And the same applies to carpet one side (bedroom) and tiles the other side (en-suite)

Hi and welcome. If your location is where I think it is, you are about 10 miles from us.

On past recent performance it will probably only be 0% VAT on supply and fit by an accredited installer.

I tried to test a repaired inverter by stringing all my DC power supplies in series but could still not get to the inverter start voltage, so I had to take it out to the shed and connect it to a proper string of inverters.

A further out shot may help. I wonder if that arch is starting to sag?

These what you want? https://www.toolstation.com/650-isolating-radiator-tails/p57561 I suspect the bit you need normally comes with the radiator and not sold as a spare part and that might be the closest you can get. If the nut is jumping, you probably want to replace the valves as well.

Well done, that is some build, more grand than my humble abode. And that's some plot as well.

Hi and welcome, a shame you did not join 5 years ago to share the journey. I am sure you will tell us more, and we like pictures.

A looks pretty central and already provisioned for. Hot pipes would go up to the ceiling void then as direct as possible to each point of use.

Miserable job, been there, done it, never again. It must be an old house to still have distemper so I would be looking instead about leaving it, insulating the walls and plasterboarding over if I encountered it again. We scraped most of it off dry with a scraper, a lot of it just fell off, but some was still stuck and needed soaking.

Well done for not giving up. We had lovely weather up here in March. What else can you expect if you plan to come here for the Easter holidays? the weather is bound not to play ball. But it really has been rubbish for the time of year. If you want more on site storage, the caravan dealers will almost give away an "end of life" static, you would probably get one for little more than the transport cost, even if you end up cutting it up for scrap or offering it for free when finished with it at the end. I suspect the glow plugs in the digger. When I had mine, on a cold day it would start on 2 cylinders and the others would wake up after a few seconds, but I never bothered to fix it. I avoided digging in the foul weather. A tracked machine might be better on that site, but the ground is exceptionally wet just now after all the snow in the last couple of weeks. How do you get on owning a 7.5t? I have only ever hired one, i thought to own one you needed an operators licence?

You should see the horrors on some sites where the boarders leave burst boards, and much bigger gaps than that "The tapers will sort it"

What you can do, is set the timers on the heating system so the ASHP does not turn on to heat DHW until 11AM. By then solar PV production should be good, so it is likely the ASHP will be using up a good chunk of your solar generation. It's about the best you can do, other than (if you are in all day) manually turning on the ASHP when the sun comes out. That, and shifting all the big appliances to the middle of the day and the immersion diverter means I don't export much of my PV.

I can't help directly but I believe it is called a "heat - cool thermostat"

I guess the buzzard formed a circuit from the HV primary to the LV secondary. I very very much doubt any surge protection devices would have helped there.

Just what was it that went bang rather spectacularly? Any "before" photo? Was it something plugged into that now rather sorry looking socket?

My original prediction was to self use £250 per year giving a 6 year payback. Last year that was up to £300 and this year post April is likely to be £400 per year, so is likely to bring payback to perhaps 4 years.

What tipped the switch to Makita for me was when a joiner gave me a dud Makita 18V multitool that turned out to be a simple new motor for £20

I wonder if I could buy this for £140, take out one battery, put the drill, one battery and case on ebay for £140 and anyone would be stupid enough to buy it?

Even cheaper than the last time Screweys offered that.

Sorry I don't. I have never had cause to use anything other than the correct lamp for the fitting. And I don't like G9 lamps anyway.

Anyone care to tell us what an Electronic Expansion Valve is? I don't think mu heat pump has one but it seems to manage without.

It looks like an individual property, and of the whole street is individual properties at different distances from the road, you might be allowed. I had a similar one in a previous property where I wanted the garage in front of the building line on both sides (corner plot) and it was rejected, but I won at appeal where the appeal inspector said being closer to the road tied it in with other houses that fronted straight onto the road.