Renovating your home is the perfect opportunity to assess and upgrade your electrical system. Whether you’re modernising a period property, extending your living space, or completely refurbishing a house, planning an electrical rewire at the right stage can save time, money, and future disruption.
Why Consider a Rewire During a Renovation?
Many older properties were not designed to handle today’s electrical demands. Modern households rely on numerous appliances, smart technology, home offices, electric showers, and outdoor power supplies. If your wiring is outdated, it could become a safety risk or struggle to meet your needs.
A renovation provides ideal access to walls, ceilings, and floors, making it far easier and more cost-effective to install new wiring before decorating is completed.
Common reasons to rewire during a renovation include:
- Replacing old or deteriorated wiring
- Increasing the number of sockets and switches
- Upgrading lighting layouts
- Installing smart home systems
- Improving electrical safety
- Bringing the property up to current regulations
- Preparing for future electrical demands
Signs Your Property May Need Rewiring
If you’re unsure whether your property requires rewiring, there are several warning signs to look out for.
Homes with wiring that is more than 25–30 years old may no longer meet current standards and could benefit from a professional inspection. Frequent electrical issues such as tripping circuits, flickering lights, or overloaded sockets can also indicate underlying problems with the installation. Older properties often have fewer socket outlets than modern households need, resulting in a reliance on extension leads and adaptors. An outdated consumer unit or fuse box may lack important safety features such as RCD protection, while major renovation work involving altered layouts or removed walls can provide the ideal opportunity to upgrade and redesign the electrical system.
Plan Your Electrical Layout Early
One of the biggest mistakes homeowners make is leaving electrical planning until late in the renovation process.
Before work begins, think carefully about how you’ll use each room.
Consider:
- Socket locations
- Lighting positions
- Feature lighting requirements
- TV and media points
- Home office power needs
- USB charging outlets
- Smart home controls
- Outdoor lighting and power
- Future EV charger installation
Creating a detailed electrical plan early allows your electrician to design a system that works for your lifestyle both now and in the future.
Consider Future-Proofing
A renovation is an investment, so it’s worth thinking beyond your immediate needs. Future-proofing your electrical installation can help ensure your home remains practical and adaptable for years to come. This might include installing additional sockets to accommodate future appliances and devices, incorporating smart home technology such as lighting controls, heating systems, and security features, or preparing for an electric vehicle charger by installing the necessary cabling. If you work from home, it’s also worth considering dedicated circuits and data points to support remote working and increasing technology demands. Planning for these upgrades during a renovation is often far easier and more cost-effective than making changes later.
Understand the Stages of a Rewire
A full rewire is usually completed in two main stages.
First Fix
This stage takes place before plastering and decorating.
It includes:
- Installing cables
- Positioning back boxes
- Running circuits
- Preparing for lighting and power points
Second Fix
Once plastering is complete, the final electrical accessories are installed.
This includes:
- Sockets
- Switches
- Light fittings
- Consumer unit connections
- Testing and certification
Careful coordination with builders, plasterers, and decorators helps keep the project running smoothly.
Budgeting for a Rewire
The cost of rewiring varies depending on factors such as:
- Property size
- Number of rooms
- Accessibility
- Specification of fittings
- Additional features such as smart controls or outdoor power
While a rewire can represent a significant investment, carrying it out during a renovation often reduces labour costs and prevents expensive alterations later.
Planning an electrical rewire during a home renovation can improve safety, increase convenience, and ensure your property is ready for modern living. By involving an electrician early in the project, carefully planning your electrical layout, and considering future requirements, you can avoid costly changes and achieve a more practical, efficient home.
If you’re renovating your property and would like professional advice on rewiring, electrical testing, lighting design, or consumer unit upgrades, working with an experienced electrician can help ensure your project runs smoothly from start to finish.




