Fuse Box Installation in Caerphilly — From £399 inc VAT

What is a Fuse Box Installation in Caerphilly?

A Fuse Box Installation (also known as Consumer Unit Upgrade, Fuse Board Replacement) is the legally required document that proves the Consumer Unit status of a property in Caerphilly under BS 7671:2018+A4:2026 (IET Wiring Regulations, 18th Edition). Every rental, sale or compliance check in Caerphilly requires a current Fuse Box Installation signed by a registered NAPIT-registered electrician. Our Caerphilly engineers issue the certificate the same day, with the digital PDF emailed to you before they leave the property.

Caerphilly is in Wales, and our engineers also cover nearby Ystrad Mynach, Pontypridd and Blackwood. Whether you're a landlord renewing your annual Consumer Unit, a homeowner preparing to sell, or a letting agent managing a portfolio in Caerphilly, we offer the cheapest fully-compliant Fuse Box Installation in the area, backed by NAPIT registration and same-day availability across every Caerphilly postcode.

Looking for the cheapest Fuse Box Installation in Caerphilly? We are Caerphilly's lowest-priced provider of Fuse Box Installation certificates, also known as Consumer Unit Upgrade, Fuse Board Replacement. Same-day Fuse Box Installation bookings in Caerphilly start at just £399 inc VAT, with no hidden fees, no minimum charge and no travel surcharge for any address inside Caerphilly.

What's included in your Caerphilly Fuse Box Installation

• Visual inspection of all 18th-Edition consumer units, RCBOs, SPDs (surge protection) at the Caerphilly property
• Full functional test in line with BS 7671:2018+A4:2026 (IET Wiring Regulations, 18th Edition)
• Tightness / continuity / discharge testing as required by Consumer Unit standards
• Photographic record of any defects (kept on file for 6 years)
• Same-day digital Fuse Box Installation PDF emailed to you
• Hard-copy Consumer Unit posted on request to any Caerphilly address
• Free 30-day expiry reminder service
• Fixed-price remedial quotes if any issues are found in your Caerphilly property

Items inspected: 18th-Edition consumer units, RCBOs, SPDs (surge protection), main switches, sub-mains.

Fuse Box Installation prices in Caerphilly

All prices include VAT. Travel within Caerphilly is free.

Who needs a Fuse Box Installation in Caerphilly?

• Landlords renting out flats and houses in Caerphilly
• Letting agents managing portfolios across Caerphilly and the wider Wales area
• Homeowners selling, buying or remortgaging a property in Caerphilly
• HMO operators with licensable houses in Caerphilly
• Local businesses, shops, offices and restaurants in Caerphilly
• Property managers, councils and housing associations in Caerphilly

Legal Requirements in Caerphilly (Wales)

Properties in Caerphilly (Wales) fall under Welsh law. The main rules are:

Wales still uses its own Approved Document P (2006 edition incorporating 2010 amendments, for use in Wales), under which replacing a consumer unit is notifiable building work. Notifiable work in Wales is wider than in England: it also includes new circuits and additions or alterations to circuits in kitchens, special locations such as bathrooms, and outdoors. The work must be done by a registered competent person who self-certifies, or be notified to building control.

Legislation: Building Regulations 2010 (as applied in Wales), Part P. Official source: gov.wales

Checked against official government sources in September 2026. General information, not legal advice.

How our Caerphilly Consumer Unit process works

Why choose Cheapest Certificates in Caerphilly?

• Cheapest in Caerphilly — Fuse Box Installation from £399 inc VAT, undercutting most Caerphilly competitors
• Same-day in Caerphilly — usually within 2–4 hours of your WhatsApp
• Digital + paper certificate — accepted by every UK letting agent and council
• Free renewal reminder 30 days before your Caerphilly Consumer Unit expires
• Fixed-price remedial quotes — no surprise charges in Caerphilly
• Landlord bundle savings — combine Fuse Box Installation with EICR, EPC, PAT in Caerphilly from £480
• Letting-agent invoicing available across Caerphilly
• 5-star Google reviews from Caerphilly landlords, homeowners and businesses

Book your Fuse Box Installation in Caerphilly today

Same-day appointments available across Caerphilly. WhatsApp us now for an instant quote — no obligation, no waiting.

Same-day in Caerphilly

Frequently Asked Questions — Fuse Box Installation Caerphilly

Related certificates in Caerphilly

Bundle and save when you book multiple Caerphilly certificates together:

• EICR Certificate in Caerphilly
• Electrical Safety Certificate in Caerphilly
• PAT Testing Certificate in Caerphilly
• Commercial EICR Certificate in Caerphilly

Consumer Unit near Caerphilly

Caerphilly postcodes we cover include CF83. Nearby towns we also cover, with the straight-line distance from Caerphilly:

• Consumer Unit in Ystrad Mynach (4.8 miles)
• Consumer Unit in Pontypridd (5.7 miles)
• Consumer Unit in Blackwood (6.5 miles)
• Consumer Unit in Cardiff (6.7 miles)
• Consumer Unit in Llantrisant (7.1 miles)
• Consumer Unit in Bargoed (7.5 miles)
• Consumer Unit in Newport (9.5 miles)
• Consumer Unit in Cwmbran (10 miles)
• Consumer Unit in Torfaen (11.3 miles)
• Consumer Unit in Blaenau Gwent (12.3 miles)
• Consumer Unit in Barry (12.4 miles)
• Consumer Unit in Cowbridge (12.4 miles)

View all Fuse Box Installation areas →