Counterweight Blocks (Kelly Blocks)

Counterweight Blocks (Kelly Blocks)

Our durable, high-performance precast concrete counterweight blocks are designed to provide reliable ballast and stabilisation across a wide range of temporary and permanent applications.

Manufactured in the UK to strict quality standards, our counterweight blocks offer a safe, efficient and cost-effective solution where structural stability is critical.

Used extensively in construction, civil engineering, utilities, events, renewables and temporary works, counterweight blocks are ideal where ground penetration is not possible or not permitted. Our range is engineered for strength, consistency and ease of installation, helping projects stay compliant, safe and on schedule.

What is Counterweight Blocks (Kelly Blocks)?

Counterweight blocks are precast concrete units designed to provide mass and resistance to counteract loads, wind forces or overturning moments. They are commonly used as ballast where anchoring into the ground is impractical, restricted or undesirable.

Elite Precast counterweight blocks are designed with integrated lifting points for safe handling and can be supplied in a variety of sizes and weights to suit specific project requirements.

Our concrete counterweight blocks are suitable for a wide range of uses, including:

  • Temporary and permanent structural ballast

  • Crane and plant stabilisation

  • Hoardings, fencing and barrier systems

  • Street lighting and signage bases

  • Temporary buildings and modular units

  • Renewable energy installations

  • Event infrastructure and crowd control

  • Civil engineering and utilities projects

What is Counterweight Blocks (Kelly Blocks)?

Why Choose Elite Precast

With decades of precast expertise, in-house engineering support and a proven delivery record on projects of every scale, Elite Precast is the partner specifiers trust. We pair robust, repeatable manufacturing with the flexibility to engineer bespoke solutions when a standard product will not do.

Key Features & Benefits

Manufactured from high-strength concrete for long-term performance.

Why Choose Counterweight Blocks (Kelly Blocks)?

  • Specialist UK precast concrete manufacturer

  • Proven track record across multiple industries

  • Expert technical guidance and responsive service

  • Competitive pricing with dependable lead times

  • Commitment to quality, safety and sustainability

  • Service led manufacturer

Why Choose Counterweight Blocks (Kelly Blocks)?

Installation Overview

We offer flexible delivery options across the UK, working with our reliable haulage partners to ensure your counterweight blocks arrive safely and on time. Our team provides technical support from enquiry through to delivery, helping you select the correct specification for your project.

Prior to lifting older or pre-used blocks, check the lifting pin for wear or corrosion and check the block for cracks. If the block is cracked or the pin is worn it could fail when being lifted.

Installation Overview

Compliance & Technical Support

All Elite counterweight blocks are produced in our Shropshire manufacturing facility, using carefully selected materials and proven production methods. Each unit is designed to meet relevant British Standards and industry best practices, ensuring reliability, safety and compliance.

We operate robust ISO quality control procedures throughout the manufacturing process to guarantee dimensional accuracy, strength and durability.

Compliance & Technical Support

Safety & Responsibility

Prior to lifting older or pre-used blocks, check the lifting pin for wear or corrosion and check the block for cracks. If the block is cracked or the pin is worn it could fail when being lifted.

Safety & Responsibility

Bespoke Options

We supply counterweight blocks in a range of standard sizes and weights. Bespoke options may also be available depending on volume and application. If you are unsure which specification is right for your application, our experienced team can advise on the most suitable solution.

Bespoke Options

Gallery

Full specifications

  • KM500 (Marquee)Dimensions (mm): 1000 x 550 x 450 mmWeight (kg): 480 kg
  • KM1000 (Marquee)Dimensions (mm): 1000 x 750 x 750 mmWeight (kg): 1100 kg
  • P1-915 (Hoarding)Dimensions (mm): 915 x 610 x 610 mmWeight (kg): 700 kg
  • P1-1220 (Hoarding)Dimensions (mm): 1220 x 610 x 610 mmWeight (kg): 970 kg
  • P1-1525 (Hoarding)Dimensions (mm): 1525 x 610 x 610 mmWeight (kg): 1233 kg
  • P1-1830 (Hoarding)Dimensions (mm): 1830 x 610 x 610 mmWeight (kg): 1500 kg
  • LG4-FS (Hoarding)Dimensions (mm): 800 x 800 x 800 mmWeight (kg): 1125 kg
  • KC1000 (Cube)Dimensions (mm): 1000 x 1000 x 425 mmWeight (kg): 1000 kg
  • KC2350 (Cube)Dimensions (mm): 1000 x 1000 x 1000 mmWeight (kg): 2350 kg
  • KC2950 (Cube)Dimensions (mm): 1000 x 1000 x 1250 mmWeight (kg): 2950 kg
  • KX3000 (MOD)Dimensions (mm): 1400 x 1400 x 700 mmWeight (kg): 3000 kg

Important downloads

Frequently Asked Questions

What sizes of counterweight blocks do you supply?

We supply counterweight blocks in a range of standard sizes and weights. Bespoke options may also be available depending on volume and application.

Are your counterweight blocks suitable for temporary use?

Yes. Our blocks are commonly used for both temporary and permanent installations and are designed for repeated handling and reuse.

Do counterweight blocks require ground fixing?

No. One of the main advantages of counterweight blocks is that they provide stability without the need for ground penetration or excavation.

Are lifting points included?

Yes. All counterweight blocks are manufactured with integrated lifting points to allow safe and efficient handling on site.

Can you deliver nationwide?

Yes. Elite Precast delivers counterweight blocks throughout the UK using trusted logistics partners.

Do your products meet UK standards?

All our precast concrete products are manufactured in accordance with relevant British Standards and industry guidelines.

Can I speak to someone about Counterweight blocks?

Yes, call our team on 01952 588885 — they love to talk blocks.

UK Manufacturing & Nationwide Delivery

Every product is manufactured in the UK to recognised quality standards and delivered nationwide on a fleet built for site access. The result is shorter lead times, full control over quality, and the confidence of working with a British manufacturer.

Need Counterweight Blocks (Kelly Blocks) on a project?

Request a quote or talk to our technical team.

Get in touch