As long as your happy with the standard set MCB's it's fine. You should try building one via the TLC site which has base (MCB + RCBO's are an extra) CU's
If you need to re-config the screwfix fixed set, then your be paying x 2 fro the MCB's you won't use and the ones you will.
Here's an old picture of mine, which has since been modified to sort the few 'minor' issues it had (must do another photo set soon).
Thanks for showing me yours. I'll show you mine soon
I only really need 8 ways but would have needed an extra 32A MCB and would have had a few (useless) spares. TLC saves about £15 (Or £35 if I ditch a RCBO for an MCB) and they're not too far from me
If you mean the pictured one, then it's a high integrity Dual RCD consumer unit. This unit has three MCB ways fed direct from the main switch (ie not RCD-protected) These can be used for smoke alarms and the like that are best kept off the RCD.
Then there are two independent RCD's, each supplying their own bank of circuits. If you connect (for example) upstairs lighting & downstairs ring final to one RCD & downstairs lighting & upstairs ring final to the other, this gives (IMO) a loose compliance with regulations.
Ordered the Wylex from TLC yesterday afternoon. (Thanks for the WF tip.) Was delivered at 8.15am this morning! They did forget a length of mini trunking though
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