Bespoke, not boxed
We fit and fine-tune every adaptation to your exact grip, reach and vehicle — never a standard setting.
Vehicle adaptations in Hemel Hempstead, built around you — not the other way round.
For over 40 years, our engineers have fitted bespoke driving controls and adaptations from our Hemel Hempstead workshop — the same team looks after you from your first conversation to your final fitting.
- 40+ Years Trading
- Motability Approved
- Paravan Official Installer
Which situation sounds like yours?
Not sure what you need? Start here.
Every setup is different. Tell us your situation and we'll point you to the right place — or if you already know what you're after, jump straight to Products →
Popular: Joysteer · Abiloader · Paravan SpaceDrive · GuidoSimplex Accelerators
Driving Controls“I can no longer manage the pedals.”
Hand controls and driving adaptations — including Paravan SpaceDrive and Joysteer — fitted to your vehicle and your grip.
Driving Controls →
Getting In & Out“Getting in and out is getting harder.”
Swivel seats, transfer aids and seat raisers for safer, easier access.
Getting In and Out →
Choosing a Vehicle“I'm choosing my next accessible vehicle.”
Ramp, side-entry or internal transfer WAV? We don't supply WAVs, but we'll tell you which Stage 2 adaptations — Paravan, Joysteer, tie-downs — each one can take.
Choosing a Vehicle →
Storage & Loading“My wheelchair needs securing or loading.”
Hoists, tie-downs and Abiloader boot storage that work with your routine.
Storage & Loading →
Wheelchairs"I need help choosing the right wheelchair"
Power add-ons from our sister brand SD Motion, and powerchairs.
How to choose →
Motability“I've been referred by Motability.”
Here's exactly what happens next and how to reach us quickly.
Motability Customers →Still not sure? A short questionnaire to point you the right way is coming soon — for now, call our team on 01442 212918.
Why SDL
Four decades of Hemel Hempstead engineering, built around you.
We're not an off-the-shelf supplier. Every adaptation is engineered around the person using it — you.
Stage 2 specialists
We fit driving controls to vehicles already converted — the precision layer most installers don't do.
Paravan & GuidoSimplex official installer
Approved to fit Paravan SpaceDrive, GuidoSimplex and HandyTech systems to UK standard.
One Hertfordshire team, start to finish
The engineer who assesses your needs is the one who fits your adaptation — no handoffs.
Paravan Official InstallerGuidoSimplex Approved PartnerJoysteerAbiloaderHandyTechMotability ApprovedISO 9001
Customer Story
How Tom got back behind the wheel of a new Mercedes with Paravan SpaceDrive
“The team treated me like a person with a specific problem to solve — not a wheelchair symbol on a form.”
Fitted by our own engineers · Paravan SpaceDrive · Hemel Hempstead
Read Customer StoriesThe team behind SDL
Grant Harbour & Stuart Parker
SDL is run day-to-day by Grant and Stuart, who between them have decades of experience in vehicle adaptation and have shaped the company's approach to customer service and quality control. The team has grown to keep pace with demand, and continues to take on installations other specialists turn away.
Meet the whole team →Already referred by Motability?
You've been assigned to SDL — here's exactly what happens next, what to expect at your assessment in Hemel Hempstead, and how to reach us fast.
See what happens next →Choosing your own installer?
You get to choose who works on your vehicle. Choose the Hertfordshire team that engineers Paravan, GuidoSimplex and Joysteer adaptations around you — and stays with you afterwards.
Talk to our engineers →