MOT Type 1 calculator
Aggregates Calculator. Bullimores Aggregates Calculator calculates the quantity of aggregates you need for your construction project. Just enter the Width (m), Length (m) and Depth (mm) of the area, choose the aggregate type and you will see the quantity of material required at the bottom of the page. Our minimum order quantity is only 5 tonnes per load. You can then place an order by calling our Corby office on 01536 216487 or request a quote online at the top right of your screen.
Our minimum order quantity is only 5 tonnes per load.
Our MOT Type 1 calculator can be used to get an estimate for most aggregate materials. You can place an order by calling our Corby office on 01536 216487 or request a fast-track quote online by clicking the button above.

YOUR AGGREGATE CALCULATIONS
When ordering aggregates, understanding what quantities you need is extremely important. Too few aggregates can lead to additional deliveries, wasting time and money. On the other hand, too many aggregates can lead to wastage.
Aggregates are usually ordered in tonnes. The standard aggregate calculation is typically: Multiply the width, length and depth of your area. It’s important to note that the depth of your area will vary depending on the aggregate type, its size variation, and the intended application.
As a simple guide, see below:
- 10mm Aggregate will need a depth of 30-40mm, but on a driveway, this would need to be at least 50mm.
- 20mm Aggregate would need a depth of at least 40-50mm, and at least 50-60mm on driveways.
Please note:
Our MOT Type 1 calculator calculates by tonnage, and the calculations are approximate. The exact conversion will depend on a few other factors, such as the bulk density of aggregate, the method and degree of compaction, and more.
MOT Type 1 AGGREGATE
We supply a range of used as a formation material to fill irregularities in excavations and ensure a firm and level working base can be laid to accommodate load-bearing and heavy surfaces, such as stone or concrete.
For the building sector, we supply MOT Type 1 aggregate and recycled hardcore aggregate in bulk for various infrastructure and construction uses. These are competitively priced and highly versatile.
For the domestic market, we can supply MOT Type 1 aggregate and recycled hardcore aggregate to support all DIY projects, including sub-base material for sheds, patios, driveways, and more.
Composition
MOT Type 1 is typically comprised of aggregates from:
These materials are crushed to a maximum size of 40mm to dust, resulting in a well-graded aggregate with excellent compaction properties and load-bearing strengths.
Applications
MOT Type 1 is essential for applications needing certified material and ideal for applications especially where a stable and durable sub-base is required, such as:
- Highways
- Car parks
- Footpaths
- Driveways
- Hard standings
- Building sub-bases
Bullimores Sand & Gravel is a leading MOT Type 1 sub-base material supplier, offering bulk supply aggregates by the tonne. We maintain a minimum order requirement of 4 tonnes, have a network of quarries, and run a fleet of lorries to ensure we can deliver the level of service to expect from Bullimores.
Frequently Asked Questions
What is MOT Type 1?
MOT Type 1 is a sub-base material composed of crushed stone such as Granite, Basalt, Gritstone, or Carboniferous Limestone, depending on its source. The aggregate size typically ranges from 40mm down to dust particles.
Is MOT Type 1 suitable for driveway sub-bases?
Yes, MOT Type 1 is an excellent choice for driveway sub-bases when the final surface is either gravel or tarmac. However, for block-paved driveways, a more permeable sub-base, such as MOT Type 3, may be necessary to meet Sustainable Urban Drainage System (SUDS) regulations.
What Are the Specifications for MOT Type 1?
MOT Type 1 is produced in accordance with the Specification for Highways Works Clause 803, which ensures a consistent product designed to withstand frost heave.
How Do I Calculate the Quantity of MOT Type 1 Required?
For driveway sub-bases intended for car traffic, MOT Type 1 should be applied at a depth of 150mm. Heavier loads might necessitate a deeper sub-base, which could require calculations by a structural engineer. Generally, a depth of 75mm is suitable for footpaths, while patio sub-bases should be 100mm deep. We recommend you use our aggregate calculator on this page. Simply select ‘Type 1 MOT and enter your measurements in meters for length and width and in millimetres for depth to calculate the quantity of MOT Type 1 your project requires.
How Do I Install MOT Type 1?
To install MOT Type 1 effectively, start by evenly spreading the material with a shovel. Compacting MOT Type 1 in layers using a vibrating roller or whacker plate is essential to ensure a stable surface and prevent future settling. For your convenience, Bullimores Plant Hire offers the necessary equipment to help you achieve a professional finish.
For optimal results, aim for recommended installation depths of 150mm for driveways, 75mm for paths, and 100mm for patios. This approach will help create a durable and long-lasting foundation.
Is MOT Type 1 Free Draining?
MOT Type 1 does facilitate water passage, though at a slower rate compared to other products like MOT Type 3.
Where Can I Buy MOT Type 1?
MOT Type 1 can be easily purchased from your local Bullimores store. Call us at 01536 216487 or request an online quote. At Bullimores, we have established a reputation for offering the best market prices while delivering only the highest-quality products, ensuring prompt delivery straight to your project site.
Why choose bullimores?
Still family-owned and operated, our commitment to providing an honest, reliable, and competitive service remains at the core of our values. We’re big enough to count on for your largest projects but small enough to truly care about your satisfaction. Our dedicated team, extensive network of quarries, and reliable fleet of lorries ensure a service that you can always rely on.
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established since 1907
We have been serving the construction industry for over 100 years and have earned a reputation as the Midlands' No. 1 aggregate provider.
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Wide variety of quality aggregates available
We have a broad range of aggregate options to meet all consturction, landscaping, agriculture and domestic needs.
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Pre-order and Drop-in Service
For our customers' convenience, we provide a pre-order and drop-in service to ensure you receive the materials and services you need in a way that suits your schedule.
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Full fleet of Tippers & Plant Hire
We offer a comprehensive selection of tippers and plant hire services, ensuring that you have access to a full fleet to meet your construction and project needs.
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Cash & Account Customers Welcome
We welcome both cash and account customers. For our trade account customers, we offer a range of additional benefits.
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Our best rates & service guaranteed
At Bullimores, we pride ourselves on offering the best rates in the industry combined with exceptional customer service. With us, you can expect transparency, reliability, and support tailored to your needs.
NEED A BEST PRICE QUOTE?
If you’re looking for a quote, cost comparisonun or are sure about the amount of aggregate you need, give us a call during business hours at 01536 216487 or complete our contact form for a response when we’re back in the office.
We’re open from 7:30 am to 5:00 pm.
If you’re looking for a quote, cost comparisonun or are sure about the amount of aggregate you need, give us a call during business hours at 01536 216487 or complete our contact form for a response when we’re back in the office. We’re open from 7:30 am to 5:00 pm.