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A construction site with stacked large concrete blocks forming a wall.

INTERLOCKING CONCRETE BLOCKS, A FAMILY-RUN BUSINESS, DURHAM

Flexible rental terms. Supply and fix service. High-strength modular blocks. Excellent reputation.

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Call now to discuss your project.

PROMOTING RECYCLING

MANY YEARS OF EXPERIENCE

FIRST-CLASS SERVICE

HIGH-QUALITY CONCRETE BLOCKS

John Simpson Civils Ltd are a well-known supplier of interlocking blocks, available for both purchase and hire, with flexible short-term or long-term rental options. Ideal for permanent or temporary structures, these high-strength precast blocks are a durable, versatile, and cost-effective solution for a wide range of projects.

 

They measure 1200mm x 600mm x 600mm and interlock securely without mortar or fixings, making them perfect for fast, modular assembly on construction sites, storage yards, or safety installations.

A construction worker builds a concrete wall at a construction site, with tools and materials visible around them.

BUY OR RENT OPTIONS WITH SUPPLY AND FIX SERVICE

Our blocks are available to buy outright or hire for short-term or long-term projects. Flexible rental terms make them ideal for temporary walls, site barriers, or storage enclosures. For convenience, we offer a complete supply and fix service, with a skilled team providing full installation and on-site assembly. This service ensures projects are completed quickly, to high standards, and without the need for additional contractors or specialised labour. Reach out now to share your requirements.

Interlocking concrete blocks being used for temporary site boundary fencing.
Interlocking concrete blocks forming base structure for large-scale civil engineering project.

COMMON APPLICATIONS FOR INTERLOCKING BLOCKS

Our blocks are ideal for a wide range of uses, including building structure walls, partition walls, and retaining walls for ground retention. They are perfect for agricultural applications such as barns, feed storage, and silage bays, as well as security fences and barricades. They also work well for car parks, perimeter barriers, and temporary or permanent site divisions. Their versatility makes them a reliable and cost-effective solution for both construction and safety projects.

ORDER, DELIVERY AND PLACEMENT AVAILABLE

We complement our interlocking concrete block supply with flexible extras such as delivery and installation.

 

Whether your project requires permanent structures, temporary barriers, or site-specific divisions, our machinery and skilled team deliver quality results quickly and safely.

Great prices, helpful friendly staff, But bring your wellies if your getting out of van when its wet ha.

QUALITY INTERLOCKING BLOCKS

Talk to us about interlocking concrete blocks that deliver long‑lasting performance and a seamless finish for any project.

interlocking blocks

CONTACT US

Unit 10 Langley Park Ind Est, Witton Gilbert, Durham, DH7 6TX

OPENING HOURS

Monday – Friday: 07:30 - 18:00

Saturday - Sunday: Closed

CONNECT WITH US

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JOHN SIMPSON CIVILS LIMITED, registered as a limited company in England and Wales under company number: 07961582.
Registered Company Address: Unit 10 Langley Park Industrial Estate, Witton Gilbert, Durham, England, DH7 6TX.

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