Powering off-grid freedom.
Maximising travel comfort.
ASTT was built by motorhome people who understand what real travel actually demands. We're the UK's go-to specialists for off-grid electrical systems, designing and fitting everything from solar and lithium setups to full bespoke builds so you can travel further, stay longer and live better on the road. Based in Lancashire, supporting customers nationwide.
Explore and live off-grid, safely, reliably and comfortably.
We pride ourselves on delivering everything you need to go off-grid reliably, safely and comfortably. From packages to simplify how you get started, to upgrades that improve your comfort on the road, all the way to support and aftercare that keeps everything running smoothly.

Official installer
We're trusted by Dutch Van Parts to supply and install their equipment to the highest standards

We make installing off-grid systems simple.
Chat
We'll get to know you, your vehicle and your travel style.
Recommend
We'll design you a system that meets your needs.
Book
We'll schedule your off-grid install date
Install
We'll fit and test everything to the highest standard
Handoff
We'll walk you through your system step by step.
"Tip top lads, no messing, polite, friendly and very helpful… you won’t go far wrong taking your trade here, I recommend them 100%."
Why our customers are going off-grid.
Our customers go off-grid for many reasons, but the one consistent thing we hear is they want true independence to travel how they want, when they want, so they can go wherever they want.

Enjoy the comforts of home on the road.
Pour a coffee whenever you want one, cook a beautiful meal in the wilderness and keep your vehicle clean without running out of power.

Gain the power to work from anywhere
Work your 9 to 5 job from anywhere and enjoy evenings under the stars while your brain recovers from the day.

Stop planning trips around the next campsite
Go to the places you want to go without relying on campsites to keep you powered. Off-grid gives you true travel freedom.

Stay overnight, for multiple nights, anywhere
Nod off next to the beach or sleep deep in the woods, find your perfect spot for your ultimate nights rest.
Check out some of our recent installs
Our customers say it best.
We're a customer first business who pride ourselves on giving honest, reliable and friendly service to every one of our clients. From the moment you walk into our workshop, to the time you head out on the road, and for all the years after, we're here to help you go off-grid right.
Start your off-grid project today.
We're a friendly bunch and we're here to help you with any query you have. Contact us in a way that suits you and we'll be happy to help.

Find your new (motor) home.
We have a hand-picked range of used motorhomes available, every one fully serviced by our team and ready for its next adventure.

Frequently Asked Questions
We're based in Barnoldswick, Lancashire, and carry out installations across the UK. Most customers bring their vehicle to our workshop, which allows us to do the cleanest, most thorough job possible. We also travel to customers in some circumstances — get in touch and we'll let you know what's possible for your location.
No — most customers drop off their vehicle and collect it a few days later once the work is complete. We'll keep you updated throughout and call you when everything is ready.
No — we work on a wide range of vehicles. Motorhomes and campervans are our most common projects, but we also install systems in converted vans, off-grid cabins, narrowboats and other marine applications. If it needs power off-grid, we can help.
We don't disappear after handover. All our installations come with ASTT Aftercare — call or email us if you have questions or issues after your system is fitted. We walk you through everything at collection so you leave confident, and we're here if anything comes up once you're on the road.
It depends on the size and complexity of the system. Our Weekender package is typically completed in 2–3 days. The Worker and Wanderer packages usually take 4–5 days. Fully bespoke builds vary depending on scope. We'll always give you a realistic timeline before you book, so there are no surprises.
It comes down to how you travel. The Weekender is ideal for weekend trips and short breaks. The Worker is built for people working remotely from their vehicle for a full week. The Wanderer is our most capable package, designed for extended travel and full-time van life. Not sure? Give us a call — there's no obligation.
We build our off-grid systems around Victron Energy components — widely regarded as the gold standard for leisure and off-grid electrical systems. For batteries, we use Fogstar Drift Pro and Roamer Smart5 lithium LiFePO4 batteries. For connectivity, we use Teltonika routers and Starlink Roam where appropriate. We choose these brands because we trust them — not because they're the cheapest option.
Absolutely — this is one of the most common things we do. Many factory motorhomes come with undersized battery banks and no solar. We can assess what you have, keep what's worth keeping, and upgrade the rest to a modern lithium Victron system. We'll give you an honest recommendation before any work begins.









