Aggregates

Premium aggregates for every project

Hillhouse Quarry Group is a leading supplier of bulk aggregates to the construction and infrastructure sectors across Scotland and Northern England. 

Operating from four major quarries, Troon, Garpel, Lomond and Soutra Mains and supported by a wider network of production and logistics sites, we deliver high-quality crushed rock and aggregate products to commercial and public-sector projects of all sizes.

We specialise in the supply and delivery of bulk aggregates by tipper, and also offer uplift services from selected sites. Our operational footprint covers the Central Belt, West Coast, and Southern Scotland, with efficient access to Northern England via the M74 corridor.

Typical products include:

  • Type 1 Sub Base

  • Class 6 Materials & Crusher Run

  • Single Size Aggregates (fines – 40mm)

  • Dust and Blinding Materials

  • Recycled Aggregates

Service you can rely on

At Hillhouse Quarry Group, we combine product quality with a reputation for reliable service, expert advice, and operational flexibility.

Our friendly and knowledgeable sales team works closely with customers to understand site requirements, recommend the most appropriate aggregate grades, and coordinate efficient delivery or uplift options. Whether you’re planning major infrastructure works or managing phased site deliveries, we’re here to make it easy.

We operate a large, modern fleet of delivery vehicles, giving us the capacity and flexibility to meet demanding construction schedules across urban and rural locations.

For more complex requirements, our in-house Technical Services team offers:

  • Materials compliance advice

  • Aggregate testing and certification

  • Custom grading support

  • On-site sampling and consultation

Gravel mounds and conveyor belts in an industrial quarry setting.

We produce and stock a full range of single sized crushed rock products for industrial and domestic uses, including for drainage and concrete, ranging from fines to 40mm. We can guide you in choosing the perfect products to meet your project requirements.

Large gravel mounds with dirt paths under cloudy sky, open fields on horizon.

Our Garpel Quarry near Muirkirk supplies a full range of washed sand and gravel aggregate products. Washed sand is available in various grades depending on its intended use and our single sized gravel aggregate is available in a range of sizes.


If you have specialist product requirements orders can be placed in advance by contacting the Sales Department directly on 01292 318338

Quarry with rock piles and construction vehicle on dirt road against steep rock walls.

We offer recycled crusher run (or hardcore) and sub-base to order in accordance with the WRAP (Waste & Resources Action Programme) protocol, encouraging greater use of recycled aggregate materials. A full range of asphalt mixes are also available with recycled asphalt from our Glasgow, Troon and Fife asphalt plants.

Pile of large gray rocks against a cloudy sky with distant hills in the background.

We supply a full range of structural and bulk fill materials, including all Class 6 materials and crusher runs.

 

With unparalleled capacity in Ayrshire, we have several fill materials we typically keep in stock and can product fill materials to order to meet specific requirements.

Large gravel mound with conveyor in the cloudy background.

Hillhouse Group’s versatile washed aggregate has a range of uses including drainage and pipe bedding. It is also a product of choice for mixing concrete or for aesthetic purposes for gardens and driveways.