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Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders
Heavy Duty Triple Extension Ladders

Heavy Duty Triple Extension Ladders

Free Next Day Delivery In Stock
Reference: H9TP
From: £289.99 inc VAT
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Delivery OptionDelivery TimePrice
Standard Delivery1- 2 DaysFREE
FREE Next DayNext Day Delivery (When ordered before 12pm) FREE 
🔁 30-day returns📦 UK Stocked & Despatched📍 Tracked delivery included

Product Information

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Size
Product Code
No of Rungs
Stored Height
Max Extended Height
Price (Inc VAT)
2.5m - 5.5m
H9TP25
3 x 8
2.5m
5.5m
£289.99
3.0m - 7.0m
H9TP30
3 x 10
3.0m
7.0m
£356.99
3.5m - 8.5m
H9TP35
3 x 12
3.5m
8.5m
£428.99
4.0m - 10.0m
H9TP40
3 x 14
4.0m
10.0m
£494.99
Product Overview

Heavy Duty Triple Extension Ladder


At a Glance

Certified to: EN131 Professional

Maximum Load: 150 kg

Material: Aluminium

Number of Sections: 3

Rung Type: D-Shaped

Stabiliser Bar: Yes

Use Type: Heavy Duty / Industrial

Sizes: Up to 10.0 m extended

Guarantee: Lifetime


Full Product Overview

The Heavy Duty Triple Extension Ladder is built for environments where strength, stability, and durability are essential. Manufactured from reinforced box-section aluminium and certified to EN131 Professional standards, this ladder is suited to construction sites, industrial maintenance, roofing, and other demanding applications.

Its triple-section design offers extended reach while folding down to a manageable stored height for transport and storage. Robust stiles and heavy-duty locking hardware help maintain rigidity and stability throughout the ladder’s working range.


Sizes & Dimensions

Ladder Size (Stored → Extended)No of RungsWeight (kg)Stored Height (m)Max Extended Height (m)Max Standing Height (m)*Working Height (m)
2.5 m → 5.5 m3 × 819.12.455.234.486.23
3.0 m → 7.0 m3 × 1023.62.936.926.177.92
3.5 m → 8.5 m3 × 1227.63.468.487.739.48
4.0 m → 10.0 m3 × 1431.64.049.668.9110.67

Standard Dimensions (Applies to All Sizes)

Largest Ladder Section Width - 475mm

Smallest Ladder Section Width - 337mm

Space Between Rungs - 280mm


Additional Dimensions by Size

Ladder Size (Stored → Extended)Stabiliser WidthIndividual Section DepthFull Ladder Depth
2.5 m → 5.5 m1000mm74mm200mm
3.0 m → 7.0 m1200mm74mm200mm
3.5 m → 8.5 m1200mm87mm230mm
4.0 m → 10.0 m1200mm87mm230mm

Choose ladder size based on required working height — avoid over-reaching.


Safe Use Height Guide

Ladder Safe Use Height Guide


Key Benefits

Engineered for heavy-duty use
Designed for demanding industrial and trade environments.

Stable and secure at height
Wide stabiliser bar improves base contact and reduces sideways movement.

Confident climbing
Serrated D-shaped rungs provide secure footing and improved comfort.

Robust section control
Galvanised steel locking catches hold ladder sections firmly in place.

Built for longevity
Heavy-duty box-section aluminium stiles resist flex and deformation.


D-Shaped Rungs vs Square Rungs

D-shaped rungs provide a wider, more supportive footing than traditional square rungs, helping to reduce foot fatigue and improve comfort during prolonged use at height.


Final Verdict

A robust, industrial-rated triple extension ladder designed for demanding professional environments.

With EN131 Professional certification, size options up to 10.0 m, heavy-duty construction and comfort-focused design, the Heavy Duty Triple Extension Ladder delivers reliable performance and long-term durability where strength and stability matter most.

FAQ

This heavy-duty triple extension ladder is made from aluminium, making it strong yet lightweight. You can rely on this ladder to be standing strong years down the line. We currently offer a 10-year guarantee on this product, we’re that confident that it will last. It is also certified to BS EN131-2:2010 + A2:2017 standards, and is suitable for heavy duty trade environments - even if you’re using it at work in intensive settings, it will still stand the test of time.

Here are some rules for using a triple extension ladder safely. Some of these rules are specifically for triple extension ladders, others are basic principles that can be applied to ladder safety in general.

  • Inspect the ladder before use to ensure that it is not broken or faulty
  • Ensure that your sections are locked and secured before you start climbing
  • Maintain three points of contact and a firm grip at all times
  • Do not use near a powerline
  • Dress appropriately (e.g., suitable footwear, no long skirts or baggy clothes that will snag)
  • Check the surrounding area for hazards (e.g., traffic, pedestrians)
  • Ensure all 4 corners of the ladder are making firm contact, and that the ladder is propped up at a safe angle.

Yes, on the larger sizes. These make it easier to raise and position the ladder without dragging or damaging walls.

Delivery Information
Delivery OptionDelivery TimePrice
Standard Delivery 1- 2 DaysFREE
FREE Next DayNext Day Delivery (When ordered before 12pm) FREE 
🔁 30-day returns📦 UK Stocked & Despatched📍 Tracked delivery included
Reviews
Why Buy From Ladders UK Direct?
✅ Lifetime Guarantee

At Ladders UK Direct, we don't just sell ladders — we stand behind them for life. This Heavy Duty Triple Extension Ladder comes with our exclusive Lifetime Guarantee, covering all manufacturing defects for the lifetime of the product. If any structural fault arises as a result of poor workmanship or materials, we’ll replace it completely free of charge — no quibbles, no hidden terms. It’s not a time-limited warranty or a half-promise — it’s a clear demonstration of our confidence in the product and our commitment to you. When you invest in this ladder, you’re not just buying equipment — you’re securing a lifetime of safe, stable access.

✅ Exceptional Service

We understand that tradespeople and serious DIY users need products promptly and reliably — and we deliver. Order before 12pm on any working day, and we’ll dispatch your ladder the same day for FREE next working day deliveryacross mainland UK. Every order is tracked for peace of mind. In addition to our efficient logistics, our knowledgeable customer service team is on hand to provide honest, expert guidance, whether you need help choosing the right ladder or have a technical question about certification. Our goal? To make sure you receive not only the best ladder, but also the best possible service — every time.

✅ Value for Money

The Heavy Duty Triple Extension Ladder delivers long-term value that far outweighs its modest price. Crafted from industrial-grade aluminium and built for years of heavy use, it outperforms many higher-priced ladders on the market. Unlike cheap imports that flex, twist, or wear prematurely, this ladder offers decades of reliable performance, backed by a Lifetime Guarantee and UK manufacturing quality. Its stabiliser bar, large anti-slip rungs, and solid locking featurescome as standard — not costly upgrades. This is a ladder that works as hard as you do — and it won’t need replacing anytime soon.

✅ Certified Safety

Your safety is our top priority. That’s why this ladder is fully certified to the EN131 Professional standard, the recognised benchmark for trade use across the UK and EU. It’s independently tested to support up to 150kg (including user, tools, and materials) and includes a wide stabiliser bar to ensure a solid footprint on a range of surfaces. Each rung features deep serrated grips to reduce slips, and the manual rung locks provide secure locking in every position. Whether you're climbing on-site, in a warehouse, or working around the home, this ladder helps you stay safe, stable, and fully compliant.

✅ Safety

When working at height, safety isn’t a luxury — it’s a necessity. That’s why the Heavy Duty Triple Extension Ladder is equipped with a range of professional-grade safety features designed to minimise risk and maximise user confidence. Each ladder is fitted with wide, deeply serrated D-shaped rungs, providing a secure, anti-slip surface underfoot, even in wet or dusty conditions. The manual rung locks ensure each section stays firmly in place when extended, while the integrated stabiliser bar delivers outstanding lateral stability, helping prevent sideways movement on uneven ground. Constructed from rigid box-section aluminium, the ladder maintains its shape under pressure — reducing bounce or flex during use. Whether you’re a tradesperson or a serious DIY user, this ladder offers dependable safety with every step.

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