Electrical · West Sussex

Cost of Consumer Unit (Fuse Box) Replacement in Horsham (2026)

A typical consumer unit (fuse box) replacement job in Horsham costs £520 at the budget end and £1,035 for a full-spec install, per unit. Outside peak season you'll usually get booked in within three to four weeks; summer runs tighter.

Typical cost in Horsham +15%
Low £520
Typical £778
High £1,035
Typical price per unit Last updated 22 April 2026
  • NICEIC Part P certified
  • NAPIT Building Regs notifications
  • TrustMark Government-endorsed
  • Part P 18th Edition compliant

About consumer unit (fuse box) replacement in Horsham

Horsham is a small town of around 50,000 in West Sussex. The housing is mostly period cottages, Edwardian villas and 1930s semi-detached housing alongside newer commuter developments. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like RH12, RH13 tend to be quicker jobs with standardised fittings. Local trade prices sit on the expensive side for UK trade work. That's mostly wage levels plus the cost of running a van and a yard in and around West Sussex.

A lot of South East firms work both London and local jobs. Rates usually track London with a small discount, so you're rarely getting a bargain. Peak season runs May to September and good tradespeople can be three to four weeks out. Out of season is the time to price round.

Anything notifiable (new circuits, consumer unit swaps, bathroom zones, EV chargers) falls under Part P and has to go through an NICEIC, NAPIT or ECA registered electrician. Day rates run £200 in the regions up to about £400 in London. If your sparky can't give you a Building Control certificate at the end of a rewire or CU change, walk away.

Consumer Unit (Fuse Box) Replacement cost breakdown in Horsham

Basic £520 – £690

Standard 10-way dual-RCD board in a flat

Standard £690 – £920

16-way board with RCBOs and SPD in a 3-bed

Complex £920 – £1,495

Large board with multiple circuits, remedial work, meter tails upgrade

What affects the price of consumer unit (fuse box) replacement in Horsham?

  • Number of circuits
  • Whether SPD (surge protection) is added
  • Type A RCBOs for EV/solar compatibility
  • Metal vs dual-RCD board
  • Remedial work to bring circuits up to 18th Edition

Horsham vs the UK average

Horsham sits in the electrical market at a cost multiplier of 1.15× the UK national average. That puts Horsham consumer unit (fuse box) replacement prices at £520–£1,035 versus the UK average of £450–£900 per unit.

Horsham vs UK national average — per unit Horsham £520 £1,035 UK average £450 £900
Typical price range, per unit

Consumer Unit (Fuse Box) Replacement cost calculator — Horsham

Estimated cost in Horsham
£725 – £965
per unit

Estimate based on live 2025 UK trade pricing. Always get 3 written quotes before committing.

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What's typically included in a consumer unit (fuse box) replacement quote

  • Supply of new 18th Edition compliant board
  • Earth bonding check
  • Electrical Installation Certificate (EIC)
  • Building Regulations Part P notification
  • Individual circuit testing

Frequently asked questions

How much does consumer unit (fuse box) replacement cost in Horsham?

Budget £520 to £1,035 per unit for consumer unit (fuse box) replacement in Horsham. Prices here are around 15% more expensive than the UK average. What moves a quote inside that range is mostly electrical contractor day rates in West Sussex and the specific material list for your job.

How long does consumer unit (fuse box) replacement take in Horsham?

A straightforward consumer unit (fuse box) replacement job in Horsham runs to 4–8 hours. You can lose days to things outside the contractor's control — parts on backorder, awkward access, or a firm slotting your job around existing bookings. Ask for a start date and expected finish up front.

What's included in the price of consumer unit (fuse box) replacement in Horsham?

A proper consumer unit (fuse box) replacement quote in Horsham should cover: Supply of new 18th Edition compliant board; Earth bonding check; Electrical Installation Certificate (EIC); Building Regulations Part P notification; Individual circuit testing. If any of those aren't itemised on your quote, push back and ask. A written guarantee with a clear warranty period is reasonable to expect on this kind of work.

Is consumer unit (fuse box) replacement cheaper in Horsham than the UK average?

Consumer Unit (Fuse Box) Replacement in Horsham runs around 15% more expensive than the UK average. The UK-wide benchmark for this job is £450 to £900 per unit; Horsham quotes tend to land between £520 and £1,035. Handy to know what the average actually looks like before you price round.

Do I need planning permission for consumer unit (fuse box) replacement in Horsham?

Most consumer unit (fuse box) replacement jobs don't need planning permission, but Building Regulations and any manufacturer or trade-body sign-off still apply. If the property sits in a conservation area or is listed, ring West Sussex Council before you book anything in. It's a free call and saves a world of grief later.