

Fuse Box Replacement in Portsmouth Homes & Flats
Converted flats with old plastic boards, terraces still on rewireable fuses and HMOs that have outgrown their consumer unit. We fit modern, properly protected boards and certify the work.
- 24/7 emergency call outs
- Part P registered electricians
Common board problems in Portsmouth
Portsmouth has thousands of converted flats and terraced houses, many with boards fitted decades ago or added piecemeal during conversion. Old fuse boxes and plastic consumer units without full RCD protection are still common.
In HMOs, boards also have to cope with several people cooking, heating and charging devices at once. An undersized or worn board can trip constantly or overheat at its connections.
We survey the installation, test existing circuits so faults are dealt with first, and fit a metal consumer unit with RCBO or RCD protection. The work is notified under Part P and you get full certificates.
- TimeMost flats and houses done in a day
- ProtectionRCBO or RCD protection throughout
- EnclosureMetal, to current regulations
- PaperworkEIC plus Building Regulations certificate
- PriceFixed quote before we start
Plastic board in your flat?
Call 023 9380 0283 and we will check whether it needs replacing.
When Portsmouth properties need a new board
The most common reasons we replace consumer units in the city.
- Old fuse boxes Rewireable fuses in terraces and flats that have never been upgraded.
- Plastic consumer units Earlier boards that predate the requirement for metal enclosures.
- Overloaded HMO boards Boards struggling with the demand from a full shared house.
- EICR codes Boards coded C2 for missing RCD protection or damage.
- Heat or water damage Boards affected by overheating or leaks from above.
- Renovations New kitchens, bathrooms or extensions needing extra circuits.
How we replace a consumer unit
Survey
We check the board, circuits and earthing, then give a fixed price.
Pre-tests
Existing circuits are tested so problems are found first.
Fit the board
The new consumer unit is installed and circuits reconnected.
Test and certify
Full testing, certificates and Part P notification.
Consumer units fitted across Portsmouth
Consumer unit replacement in Portsmouth: your questions
Can you replace the consumer unit in my flat?
Yes. We replace boards in flats of all kinds, including converted houses and purpose built blocks. If the board is in a communal cupboard, we arrange access with the building manager.
Do HMOs need a special type of board?
Not a special type, but the board must suit the number of circuits and the load. We size it properly and make sure every circuit has the right protection.
Is my plastic consumer unit illegal?
No. Existing plastic boards are not illegal, but a new or replacement unit must have a non-combustible enclosure. If yours is in good condition, it may not need replacing yet.
How long will the power be off?
For part of the day while the changeover happens. We confirm timings in advance so you or your tenants can plan.
Will you notify Building Control?
Yes. The work is notified through our Part P scheme and you receive a compliance certificate.
Related emergency electrician work for Portsmouth properties
EICR & Safety Checks
With so many rented homes and HMOs in Portsmouth, EICRs are a big part of our work.
Read moreLandlords & Agents
From student lets near the university to family homes in Copnor, Portsmouth rentals keep us busy.
Read moreTripping Fuse Boxes
In Portsmouth's older terraces and converted flats, a tripping board is one of the commonest calls we get.
Read moreBoard needs replacing in Portsmouth?
Call us for a fixed quote. We will check your board, explain the options and book the work at a time that suits you or your tenants.