—Comparing the options
Rewiring in stages or all at once
A full rewire is disruptive. Doing it in stages costs more overall but keeps parts of the home usable.
A full rewire is usually done in one project because the board, the cables and the circuits are designed as a whole. But a one-off rewire means the property is heavily disrupted while it happens, and not every household can leave or live without power for that long.
Comparison guides weigh two electrical options against each other and note where each one fits best.
Rewiring in stages spreads the work room by room, so parts of the home stay usable. It costs more overall, because the same trades return several times and the board has to be extended step by step, but it can be the only workable option when the home has to stay occupied.
01In short
The points that matter most
One project or several
A single rewire is one design and one disruption; stages spread both out.
Living in the home
Staging keeps rooms usable; a single rewire usually means moving out.
Total cost
Stages cost more overall because the work returns several times.
02Detail
What each route involves
All at once
The board, circuits and fittings are replaced as one planned installation.
In stages
Rooms are rewired in turn, with the board extended as each stage is completed.
The board
Whether it is replaced once or extended stage by stage changes the planning.
03Checklist
Before deciding
Can you move out?
If the home must stay occupied, staging is usually the answer.
Know the scope
Whether the whole installation needs replacing or only parts of it.
Set a realistic budget
A single rewire and staged work are priced differently.
—In practice
Putting it into practice
Decide first whether the home must stay occupied, because that usually settles the question. A full rewire is one design and one disruption; staged work keeps rooms usable but costs more overall. If staging, plan the order so each stage leaves a working kitchen and bathroom, and agree how the board is extended stage by stage.
Common mistakes
- Staging without a plan
- Rooms rewired in a random order leave the home without a working kitchen or bathroom mid-way. Plan the order first.
- Ignoring the board
- Staged rewiring still needs the board extended as each stage completes. Forgetting it leaves new circuits unprotected.
04Questions
Questions people ask
- Is rewiring in stages a false economy?
- It usually costs more overall, but it is not false economy when the alternative is moving out. The point of staging is that the home stays liveable.
- Can I live in the house during a rewire?
- For a staged rewire, yes, with the work sealed off room by room. A full rewire done at once is hard to live through.
- How is the board handled in stages?
- It is usually extended as each stage is completed, so the new circuits are protected while the old ones remain in service.
05Related
Related guides
- Gas or electric water heaterA related choice for the same kind of work.
- Battery or wired video doorbellA related choice for the same kind of work.
- Labelling a distribution boardMore on the circuits behind the same problem.
- Single-phase and three-phase suppliesMore on the circuits behind the same problem.
This guide sits under electrical wiring. All topics are on the guides page.
—NEXT
Not sure whether to rewire?
Tell us what is wrong and whether you can move out. We will set out the two routes and their trade-offs.