Practical electrical guides from working engineers
Plain-English advice on the things that actually matter — what compliance is required, when to repair vs replace, and how to avoid the expensive mistakes we see every week.
EICR vs rewire vs consumer unit upgrade: which do you need?
An EICR diagnoses, a consumer unit upgrade fixes protection, a rewire replaces cabling. Which one your property actually needs, and in what order.
How long does a house rewire take?
Stage-by-stage timings for first fix, second fix, testing and making good — plus what pushes a rewire to the longer end of the range.
Do I need an EICR to sell my house?
Not legally — but the TA6 form and your buyer's solicitor will ask about electrical certificates. When it pays to get one before you list.
What size consumer unit do I need?
How to count circuits, allow for the main switch and surge protection, and leave spare ways for an EV charger or heat pump later.
Fuse board vs consumer unit: what's the difference?
Same job, different generations. How to identify which you have in 30 seconds, and when replacement is genuinely necessary.
How much does an EICR cost in London? (2026 guide)
What landlords and homeowners actually pay for an Electrical Installation Condition Report — broken down by property size, location and remedial work.
10 signs your house needs rewiring
Warm sockets, frequent trips, flickering lights — when these symptoms point to deeper wiring problems and when they don't.
EV charger home installation: a South London guide
Everything you need to know before booking an EV charger install — supply capacity, OZEV grants, smart tariffs and what installers should check.