House Rewiring Cost Calculator: A Guide to Estimating Your Project

Rewiring a house is a significant project, both in terms of complexity and cost. It's vital for maintaining the safety, functionality, and value of your property. If you're considering this task, understanding the financial implications is crucial. This guide will walk you through the factors affecting the cost of rewiring a house and provide you with a tool to estimate these costs more accurately.

Why Rewire Your House?

Before we dive into costs, let's understand why rewiring is important. Older properties often have outdated electrical systems that can't handle modern appliances' demands. This mismatch can lead to safety hazards like electrical fires. Rewiring not only enhances safety but also improves the efficiency of your electrical system.

Factors Influencing Rewiring Costs

Several factors can affect the cost of rewiring a house:

  1. Size and Age of Your House: Larger homes require more materials and labour, increasing the cost. Older homes may need additional upgrades to meet current electrical standards.
  2. Accessibility: If your home's structure makes it difficult to access wires, this can add to the labour cost.
  3. Quality of Materials: High-quality wires, sockets, and switches cost more but offer better durability and safety.
  4. Additional Features: Costs rise if you want to include extras like LED down lights, smart switches or decorative accessories.

The Rewiring Cost Calculator

Our House Rewiring Cost Calculator is a handy tool designed to give you a rough estimate of the rewiring cost for your home. It considers the size of your house, the number of rooms, and any special requirements you might have. To use the calculator, you’ll need to input:

  • The design specification.
  • The number of rooms.
  • Any specific requirements or additional features you desire.

Average Costs

The average cost to rewire a house varies widely based on the factors mentioned. For a standard three-bedroom house, costs can range from £3,000 to £15,000. Remember, these are estimates, and prices can fluctuate based on local labour rates, material costs and final specification.

Choosing the Right Professional

Selecting a qualified electrician is critical. Look for licensed professionals with experience in house rewiring. They should provide a clear quote, a timeline for the project, and a warranty for their work. Remember, at E Electrical LTD, we are NICEIC approved contractors, ready to meet your rewiring needs with expertise and reliability.


Rewiring your house is a substantial but necessary investment. Our cost calculator can provide a starting point for budgeting, but it's essential to get quotes from professionals for a more accurate figure. Remember, while the cost is a significant factor, the safety and functionality improvements that rewiring brings to your home are invaluable.

Remember, for all your electrical needs, including house rewiring, Company E Electrical LTD in Plymouth, Devon, and Cornwall is here to help. Contact us for more information or to schedule a consultation.