Head to head
Brenderup 1150 vs Ifor Williams Business Inabox
The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross.
Specifications side by side
| Brenderup 1150 | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 600kg | 3500kg |
| Load | 500kg | - |
| Internal dimensions | 144x94x35 cm | - |
| External dimensions | 239x137x84 cm | - |
| Unladen weight | - | 1900kg (Workshop M) |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Brenderup 1150, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 1150 if...
Brenderup 1150, carried by UK dealers and hire companies listed on GetBrent for hire. General purpose trailers are the everyday choice for garden waste, tip runs, DIY materials and moving house.
Listed by
- Trek-Trailers Suffolk - Bury Saint Edmunds
Buy or hire the Business Inabox if...
- you want one that is rated 2.9 tonnes heavier gross
A trailer shell fitted out as a mobile workshop, shop or catering unit rather than a load carrier. Tradespeople and mobile caterers buy it to take a fitted-out workspace to a site rather than build one into a van.
Listed by
- Norfolk Trailers - Norwich
Common questions
What is the difference between the Brenderup 1150 and the Ifor Williams Business Inabox?
The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross. The Brenderup 1150 is a general purpose trailer; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Can I tow the Brenderup 1150 or the Ifor Williams Business Inabox on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
