Fuse Board Upgrade in London – Safe Consumer Unit Replacement
If your fuse board is old, outdated, or causing electrical issues, it may be time for an upgrade.
Buildspark provides professional fuse board (consumer unit) replacements across London, helping homeowners and landlords improve safety, reliability, and compliance with current regulations.
We are NAPIT registered electricians offering safe, high-quality installations with clear pricing and no hidden costs.
Call today to book a free quote.


What is a Fuse Board Upgrade?
A fuse board upgrade (also known as a consumer unit replacement) is the process of replacing an old electrical panel with a modern unit that includes improved safety features.
Modern consumer units include:
- RCD protection to reduce electric shock risk
- Circuit breakers instead of old fuse wires
- Faster fault detection
- Improved fire protection
It is one of the most important electrical safety upgrades for any property.
Fuse Board Upgrades
Get your 18th edition fuse board installed?
When Do You Need a Fuse Board Replacement?
You may need a fuse board upgrade if:
- Your fuse board still uses old-style fuses
- Your electrics trip frequently
- There is no RCD protection
- You are renovating your property
- Your EICR report has identified issues
- Your fuse board is over 20–30 years old
If you are unsure, we can inspect and advise you honestly.
Fuse Board Upgrade Cost in London
The cost depends on the size of your property and the complexity of the installation.
Typical prices:
- 1–2 bedroom property: from £1000
- 3–4 bedroom property: from £1800
- Larger properties: quoted individually
We always provide clear pricing before starting any work.
Why Choose Buildspark?
Buildspark is a trusted local electrician serving London and South West London.
- NAPIT registered and fully insured
- Clean and professional installations
- Work carried out to current regulations
- Honest advice with no unnecessary upselling
- Fast and reliable service
- Trusted by landlords and homeowners
We focus on safety, quality, and long-term reliability.
Benefits of Upgrading Your Fuse Board
Upgrading your consumer unit gives you:
- Improved electrical safety
- Reduced risk of fire or electric shock
- Compliance with UK regulations
- Fewer power tripping issues
- Better protection for your property and appliances
It is a key upgrade for both safety and compliance.

Fuse Board Upgrades for Landlords
Landlords are responsible for ensuring their properties are electrically safe and compliant.
We regularly upgrade consumer units in rental properties across London, helping landlords pass EICR inspections and meet legal requirements.
We also provide:
- EICR certificates
- Electrical safety inspections
- Fault finding and remedial work
Recent Fuse Board Work in London
We have completed fuse board upgrades in:
- Tooting
- Wimbledon
- Clapham
- Kingston
- Sutton
- Surrounding South West London areas
All work is completed safely, neatly, and fully certified.
Book Your Fuse Board Upgrade
If your fuse board is outdated or unsafe, we can help.
We provide fast, reliable consumer unit upgrades across London and South West London.
