
London & Surrey Specialists
Upgrade your old fuse board to a modern consumer unit with full RCD protection. Compliant with the 18th Edition Wiring Regulations across London & Surrey.
An outdated fuse board is one of the most common electrical hazards in UK homes. TW Electrical Services provides full consumer unit upgrades across London and Surrey, replacing old rewirable fuse boards with modern units featuring RCD and RCBO protection. Our NAPIT-certified electricians ensure every installation meets the 18th Edition BS 7671 Wiring Regulations, and we issue a full Electrical Installation Certificate upon completion. Whether you're in Twickenham, Richmond, Ealing, Kingston or Guildford, we can upgrade your consumer unit with minimal disruption.
RCD & RCBO Protection
Full residual current device protection on all circuits for maximum safety.
Electrical Installation Certificate
Full EIC issued on completion, required for insurance and property sales.
Same-Day Completion
Most consumer unit upgrades completed within a single day.
Domestic & Commercial
We upgrade consumer units in homes, flats, offices and commercial premises.
18th Edition Compliant
All work carried out to the latest BS 7671 wiring regulations.
London & Surrey
Covering TW, KT, SW, W, UB, GU and surrounding postcodes.
Consumer Unit Upgrades
London & Surrey
With over 20 years upgrading consumer units across London and Surrey, TW Electrical Services is the trusted choice for homeowners, landlords and businesses. We use only metal-clad consumer units from leading brands, and every job is inspected and certified by our NAPIT-certified engineers.
“Brilliant service. Old fuse board replaced with a new Hager unit in one day. Tidy work and the certificate arrived by email the same evening.”
James H.
Twickenham · Consumer Unit Upgrade
“Very professional team. They explained everything clearly and the upgrade was done with minimal fuss. Highly recommend for anyone in the Richmond area.”
Sarah M.
Richmond · Consumer Unit Upgrade
“Needed an upgrade before selling my house. TW Electrical sorted it quickly and the EIC was exactly what my solicitor needed. Great value too.”
David K.
Ealing · Consumer Unit Upgrade
“Fast, clean and professional. The engineer arrived on time, explained what he was doing throughout, and left everything spotless. 5 stars.”
Priya L.
Kingston · Consumer Unit Upgrade
Tell us what you need and we'll get back to you with a competitive quote. Most Consumer Unit Upgrade jobs can be booked within 24–48 hours across London & Surrey.
Clear, honest pricing for all our electrical services. All prices exclude VAT unless stated. For a tailored quote, contact us directly.
Estimated Time on Site
Times are estimates and exclude time required to complete and issue certification.
Before attending, we ask clients to send a clear photo of the consumer unit so we can estimate pricing and time on site accurately.
Parking and congestion charges are billed directly to the client or landlord at cost. Please advise us of any parking restrictions or charges at the property prior to the visit.
Need a Quote?
Not sure how many circuits your property has? Send us a photo of your consumer unit and we'll give you an accurate price before booking.
Call for a QuoteAll prices exclude VAT at the current rate. Prices are subject to survey and may vary based on property size, access and specification. A clear quote will always be provided before work commences.
Full Pricing Page