






Heavy Duty Single Section Ladders
At a Glance
Material: Aluminium
Maximum Load: 150 kg
Number of Sections: 1
Certified to: EN131 Professional
Rung Type: D-shaped deep serrated rungs
Stabiliser Bar: Yes (on sizes above 3m)
Use Type: Heavy duty trade and industrial access
Guarantee: Lifetime Guarantee
Full Product Overview
The Heavy Duty Single Section Ladders from Ladders UK Direct are engineered for users who demand professional performance, reliability and durability. Made from extra-thick aluminium and designed to withstand demanding environments, these ladders offer impressive strength without sacrificing ease of handling.
With deep serrated D-shaped rungs, robust box-section stiles and stabiliser bars on larger sizes, they provide secure access to height for a variety of trade and industrial tasks. Whether you’re climbing for routine maintenance or tackling tough jobs on site, these ladders are built to support you with confidence and longevity.
Sizes & Dimensions
| No. of Rungs | Product Code | Ladder Length (m) | Width (mm) | Weight (kg) |
|---|---|---|---|---|
| 7 | H9SS20 | 2.0 m | 337 mm | 3.5 |
| 8 | H9SS25 | 2.5 m | 337 mm | 4.0 |
| 10 | H9SS30 | 3.0 m | 337 mm | 6.4 |
| 12 | H9SS35 | 3.5 m | 405 mm | 7.5 |
| 14 | H9SS40 | 4.0 m | 405 mm | 10.0 |
| 17 | H9SS45 | 4.5 m | 410 mm | 10.0 |
| 19 | H9SS50 | 5.0 m | 410 mm | 11.0 |
Models 2m - 3m
Ladder Width: 337mm
Section Depth: 60mm
Full Ladder Depth: 60mm
Stabiliser Bar: Not required / N/A
Space Between Rungs: 280mm
Models 3.5m - 5m
Ladder Width: 405mm
Individual Section Depth: 74mm
Stabiliser Bar Width: 1200mm
Space Between Rungs: 280mm
Choose the ladder size that meets your working height requirement — always ensure you avoid over-reaching at height.
Safe Use Height Guide

Key Benefits
Trade-Grade Strength
Constructed from high-grade aluminium with reinforced box-section stiles for improved rigidity and heavy daily use.
Professional Certification
Fully compliant with EN131 Professional standards, making it suitable for frequent trade and industrial tasks.
Comfortable & Secure Climbing
Deep serrated D-shaped rungs provide a secure, non-slip footing, even in wet or challenging conditions.
Wide Base Stability
Larger sizes include a stabiliser bar for added ground contact and reduced sideways tipping.
Reliable Under Load
Rated to support up to 150 kg (user plus tools/materials) — stronger than typical domestic ladders.
Durable & Long-Lasting
Built to withstand regular, demanding use without bending, flexing or premature wear.
Final Verdict
The Heavy Duty Single Section Ladders deliver a reliable blend of industrial strength, safety features and long-lasting build quality. With EN131 Professional certification, a 150 kg load rating and stabiliser bars for larger sizes, they’re an excellent choice for professionals and serious users who need dependable performance from a single-section ladder.
Whether on job sites or in demanding work environments, this ladder range offers the confidence, durability and functionality required to get the job done safely and effectively.
| Delivery Option | Delivery Time | Price |
|---|---|---|
| Get it FAST | Standard Delivery 1- 2 Days | FREE |
| Get it EVEN FASTER | Next Day Delivery (When ordered before 12pm) | FREE (Usually £9.95) |
| 🔁 30-day returns | 📦 UK Stocked & Despatched | 📍 Tracked delivery included |
This ladder has a maximum load capacity of 150kg, making it suitable for carrying both the user and their tools with ease. It’s designed to handle the tough demands of regular trade use without compromising safety or stability.
Yes. Larger sizes in this range come fitted with a stabiliser bar as standard to provide a wider, more secure base. The ladder also includes:
Deep, slip-resistant square rungs for extra grip
Solid box section stiles for added rigidity
Durable rubber feet to prevent slipping on hard surfaces
These features work together to ensure secure footing and user confidence.
Cheaper single ladders often use weaker materials and may not meet professional standards. This ladder is different:
Built to trade-grade specifications
Tested and certified to EN131 Professional
Includes enhanced safety and strength features
Backed by a Lifetime Guarantee against manufacturing defects
If you're looking for value without compromise, this ladder offers unbeatable long-term reliability and peace of mind.
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