Authorised Victron Energy Installer
01539 761 467Book a free call

Off-grid is not off-limits.

Campervan electrics and off-grid electrical systems, designed and built in our Cumbria workshop

For campervans, motorhomes and cabins that live a long way from the nearest hook-up. It starts with a free 30-minute call with Tom.

Fit it for me I'll build it myself
Fit it for me I'll build it myself
183Victron systems we monitor on VRM
Free30-minute call with an electrician
15 minWorkshop to the M6, Witherslack
Authorised Victron Energy InstallerExcellent · 33 Google reviews
Brands and partners we work with
  • Victron Energy
  • Fogstar
  • Unplugged
  • Harper Adams University
  • J.M. Bower
  • Shacks
  • Camper Camper
  • Vanlife Conversions
  • Scanstrut
  • Jorvik Van Conversions
Two ways to get it done

We build it for you, or we give you everything to build it yourself

Workshop install

Fitted by us in Cumbria

Drop your vehicle at our workshop in Witherslack, near Kendal, 15 minutes from the M6. We design, fit, test and commission the whole system, then walk you through it at handover.

  • System designed around your build
  • Victron kit, fitted and tested by us
  • Commissioned and tested before handover
  • Handover walk-through, plus support after
Secure your workshop slot£500 deposit
Book a free call
Hand-drawn leisure battery, MPPT charge controller, solar panel and battery isolator switch Self-Build Package

Build it yourself, properly

Buy your Victron kit from us and we design it with you, give you the wiring diagram and build guide, then commission it once you have built it.

  • Free power audit and component quoteFree
  • Wiring diagram and build guide, matched to your kitIncluded
  • Remote commissioning and 12 months supportIncluded
  • In-stock kit dispatched in 1 to 2 working daysFogstar battery on pre-order? Its ETA is to be confirmed.Tracked
Building it yourself?Start with a free 30-minute call
Book a free Self-Build call
How it works

From first call to handover

Start with a free call. We'll guide you every step of the way.

Route map. You are here at the start. 5 stages: Free 30-minute call, Custom system design, Fit it or build it, Sign-off and commissioning, Your adventure beginsNYou are hereWhere every build begins12345
  1. Stage 1Free 30-minute callNo obligation
  2. Stage 2Custom system designDesigned for you
  3. Stage 3Fit it or build itYour choice
  4. Stage 4Sign-off and commissioningTested and signed off
  5. Stage 5Your adventure beginsOff-grid starts here
Route map of your build, from first call to handoverNYou are hereWhere every build begins1Free 30-minute callNo obligation2Custom system designDesigned for you3Fit it or build itYour choice4Sign-off and commissioningTested and signed off5Your adventure beginsOff-grid starts here
Start your adventure Free 30-minute call with Tom. No obligation.
Start here

What are you building?

Pick your project, then choose: we fit it, or you build it with our Self-Build Package.

Campervan

A complete Victron system, fitted in our workshop

MultiPlus-II, lithium, solar and shore power, designed around how you travel.

From £6,095Parts and fitting in one price
Fit it for me I'll build it myself
Motorhome

Lithium, solar and MultiPlus-II upgrades

Swap tired lead-acid for a Victron system that runs everything you've got.

From £6,595Parts and fitting in one price
Fit it for me I'll build it myself
Cabin

A workshop-built off-grid panel

Built and tested here, delivered ready to connect at your cabin or retreat.

From £2,495 + VATEvery system is priced to your build
Fit it for me I'll build it myself
Not sure which?Book a general free 30-minute call. Need advice now?Paid consults from £45. Electrical inspection£295 fixed-price inspection slot. Victron Inverter UpgradeMultiPlus-II with Cerbo GX: £2,750 all-in, supplied and fitted
Proof

Built to last, supported after handover

We don't hand over the keys and disappear. We monitor 183 Victron systems on VRM.

From our VRM installer dashboard
183

Victron systems we monitor

Real totals across every system in our installer view.

Solar
13,307 W
Load
4,804 W
Grid
502 W
Generator
0 W
Google reviews
Excellent
Based on 33 reviewsRead them on Google
"Tom is very helpful, down to earth, and takes the time to listen and understand what you're trying to achieve."AAled · Google, April 2026
"Designed and fitted my van system upgrade, very professional and knowledgeable. Couldn't be happier."FFish · Google, February 2026
20+ yearsCombined electrical experience in the team500,000+Parts supplied
Real builds

Recent work from the workshop

All case studies
Overland truck · 24 V

10 kVA overland truck

800Ah at 24 V for high-demand appliances.
Campervan · VW Crafter

Charlotte's Crafter

Built for off-grid living and remote travel.
Upgrade

Julie's Sprinter
Cabins

Unplugged retreats
Guides & tools

Learn it properly, for free

All guides
Tiny Build Electrics electrician wiring a solar charge controller and busbars inside a cabinet
DC-DC charger not charging?
The checks to run before you call it faulty.
Guide

Earthing and bonding your campervan

The protective conductors most DIY builds get wrong.

DC isolator for solar: do you need one?

When you need one and where it goes.
Quick answers

Before you book

Tom AlderdiceTom AlderdiceFounder, Tiny Build Electrics

Still not sure? Book 30 minutes with me. I'll tell you straight what your build needs, and what it doesn't.

Book a free call01539 761 467
Is the first call really free?

Yes. Every project starts with a free 30-minute call with Tom, booked through the short form for your project. No obligation.

Do you install on site?

Workshop installs are standard, in Witherslack, Cumbria, 15 minutes from the M6. Local on-site installation is available on request, subject to a site review.

What's in the Self-Build Package?

A Victron kit designed for your build and a wiring diagram that matches it part for part. Book a free 30-minute call and we'll plan it with you.

Do you only fit Victron?

Every system we build is Victron. We're an Authorised Victron Energy Installer. For lithium we also fit Fogstar.

What does the electrical inspection cover?

It's a £295 fixed-price inspection slot at our Cumbria workshop. Full details are on the inspection page.

Hand-drawn white Mercedes Sprinter with roof solar panels and Tiny Build Electrics on the side

Ready to start your build?

Choose your project and book your free 30-minute call with Tom.

Book your free call or call 01539 761 467