mespilus-
Sure, that's what it should be if it was installed now, but the current fusebox is 20+ years old and the kitchen wiring is 15+ years old (an MFI installation based on the paperwork the previous residents left behind). The existing oven is only 12A so it is plugged into a socket at the back of one of the cupboards.
I know how it should be done, and moving the oven to its own circuit would allow me to upgrade the oven at some point in the future to something >12A with minimal fuss, so all of that goes without saying.
I only mentioned it because I know that it'll need a lot of rewiring (rather than using the existing cables) because I already know that there aren't enough circuits, so a load of new circuits will be required.
Questions were more about relative cost of redecoration and also what's the latest stuff that people are also getting wired in at the same time (aside from Cat 5/6 and TV coax). Personally I'm not interested in routing audio anywhere or any smart house stuff but other people may have done some things that could be useful.
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Greenbank
Rewiring. 3 bed 1st floor flat. Ancient fuse box (only 4 circuits, just fuses, no RCD) so it'll need a load of rewiring to get things split up onto many more circuits.
From memory the existing fuse box has two white fuses, one blue, one red (and one other red master fuse). I would assume that's something like: two lighting circuits (white 5A), one ring main (blue 15A), kitchen (red 30A).
If everything in the kitchen is on a 30A circuit then we'd get quite close to that (or exceed it) if the oven (12A), kettle (12A), microwave (4A), dishwasher (?), washing machine (?), toaster (4A) and fridge (?) were all on at the same time. I wouldn't ever have all of that on at the same time, and it would only likely have that load of 90s max (given how long the toaster and kettle will take).
There's no real heavy electrical usage in our flat. We never need electrical heaters (combi boiler for water and central heating). The TV/computer/BT-TV box draws <1A. Almost all lights are low energy bulbs (<10W each). Over the winter we sometimes run a dehumidifier but that's <1A.
I know it's a piece of string but if the rewiring was £4k how much is a typical redecoration afterwards be relative to this, the same? I'd hope there would be minimal new chasing outside of the kitchen as they can lift the carpets and floorboards for the bulk of the wiring.
Also, I'd look at getting Cat 5/6 into all 3 bedrooms, sitting room (two locations) and the hall with all of the cables going back to a patch panel and I can handle the network switch stuff. I'd also have TV coax back to the same central place so I can distribute TV to the three rooms at a later date if required.
Anything else to consider if I ever get this done? I'd have multiple network ports for each room so I can use those adapters to smash HDMI/IR over that if I wanted to push that between room at a later date. Can't see the point in laying specific HDMI cables. Boxy trunking with string for pulling through future things?
It's coming up mortgage renegotiation time so I'd be looking to borrow an extra £10k or so to fund this work. LTV is ~30% so there's a fair bit of equity there to borrow against.