15/09/2026
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final appliance connections and accessories are completed once units and worktops are in place. For extensions, allow for external lighting, garden power and heating controls before paths, patios and landscaping are finished.
If you are working with a builder or project manager, share the electrical plan with them early. It helps prevent situations such as a new stud wall being built across a socket location or a ceiling being closed before cables for downlights have been installed.
What to avoid changing halfway through
Some changes are straightforward during a project, but others create extra labour and damage finished surfaces. The biggest ones are moving kitchen appliances, adding lots of downlights after ceilings have been closed, changing the consumer unit location, or deciding to add garden power once external works are complete.
That does not mean you need every decorative choice made on day one. You can often leave the final pendant, wall light or socket finish until later, provided the cable positions and switching arrangement are agreed. The key is separating decisions about appearance from decisions about cable routes and circuit design.
It is also sensible to think a few years ahead. Extra sockets in a home office, a spare cable route for an EV charger, outside power for a future shed, or capacity for an extension can be cost-effective while the property is open. There is no value in adding things you will never use, but modest future-proofing is often easier during a rewire than after it.
Questions to ask before work starts
Before confirming the date, make sure you understand the expected duration, which rooms will be affected first and whether there will be temporary power available. Ask how existing circuits will be isolated, what access is needed each day, and whether you need to arrange parking or keys for an empty property.
You should also confirm that the installation will be tested and that you will receive the relevant certification once the work is complete. This paperwork matters for safety records, future property sales and proving that the work has been carried out properly.
If you are comparing quotations, do not focus only on the headline figure. Check that each contractor is pricing the same scope, including the consumer unit, sockets and switches, lighting points, testing, certification and any agreed second-fix fittings. A cheaper quotation can become more expensive if key items have been left out.
The day before your electrician arrives
Do one final walk-through of the property. Check that the electrician can reach the consumer unit, loft hatch and rooms due to be worked in. Remove valuables and fragile items, keep pets safely away from the work area, and make sure the agreed electrical layout is available on paper or on your phone.
Tell the electrician about anything unusual before work starts, such as hidden pipes, recently installed underfloor heating, alarm cables, asbestos concerns, awkward parking or a neighbour who may need notice. Clear information at the start gives everyone the best chance of completing the job safely and without unnecessary disruption.
A rewire is a major investment in your property, but it should leave you with a safer installation that suits the home you are creating. Taking time to plan the details before the first cable is installed makes the finished result easier to live with for years to come.
www.rcdelectrical.co.uk
