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Luxe Prestige Chronicle

cost to rewire old house

Author

Mia Lopez

Updated on June 17, 2026

The estimated house electrical rewiring prices for a one-bedroom flat fall between £3,000 – £4,800, taking around 4-7 days. For a two-bed flat, the cost is on average between £3,800 – £5,800. The average cost to rewire a 3-bedroom house is in the region of £4,450 – £8,000.

Can you rewire a house in stages?

The answer is usually yes, and even a whole house rewiring can in some cases be done with minimum disruption. If you want to know more details about the process, a good electrician should be able to walk you through how to rewire a house without removing drywall.

Is it worth rewiring a house?

Although it may add to your expenses, rewiring an old home is a good investment. By increasing both the safety and the usability of the property, you increase its value. Potential buyers, too, have to gain since the new wiring will prove useful to them for many years to come.

Does a 1950s house need rewiring?

Unless the wiring is the modern PVCu coated type, then a rewire is likely to be necessary. If you see any old rubber insulated cabling, fabric insulated cabling (used until the 1960s), or lead insulated cabling (1950’s) then it needs replacing as the insulation just crumble.

Is it a big job to rewire a house?

For some reason, the word ‘rewiring’ usually strikes fear into householders. They imagine huge bills and months of upheaval in the house as electricians rip up floorboards and knock the plaster off the walls. Yes, rewiring a house is a serious job and only qualified electricians should attempt the work.

How long does a rewire take?

A full rewire can take, on average up to between 5-10 days, depending on the size of the property. The time taken depends on the number of contractors working and the exact scope of work involved.

How do I know if my house needs rewiring?

If you have an older home and it has not been inspected for a number of years, it may be due a rewire. Signs that you may need to rewire your home include circuit breakers that trip regularly, slight shocks from switches and outlets, frequently flickering or dimming lights, damaged or exposed wires and cables.

Is rewiring a house covered by insurance?

Although most homeowners policies cover electrical wiring through dwelling insurance, there are cases where coverage may not apply. Depending on your home insurance choice, electrical wiring may need upgrading. You may have to make some changes for your new coverage to go live.

How messy is a house rewire?

Each property is different and some may not require the electricians to make as much mess, but the majority of electrical rewires require the walls to be cut, chased and chiselled. This can result in a lot of dust, mess and re-plastering works.

Does old wiring use more electricity?

Old Wiring in Your House Can Mean Trouble

Arc faults in poorly maintained older homes can cause a drastic increase in electricity use. If your house is more than a decade old, it’s a good idea to have a licensed electrician conduct a complete inspection of your system.

Should I rewire old house?

If your home is 50 years or older, chances are your wiring needs to be updated. Not only does old wiring fail to support modern technological demands, but it also significantly increases the chances of a house fire. In fact, electrical problems (such as old wiring) are the cause of nearly 10% of all residential fires.

Does a 1970s house need rewiring?

The majority of 1970s houses do not need rewiring. They will probably just need a consumer unit and earthing upgrade. You may find that the earthing on the lighting circuit is missing and this may lead you to perhaps just wanting to get the lighting rewired.