Cement & Aggregates
Ballast & Gravel delivery in Harpenden
Ballast (all-in ballast) is a mixed sand and gravel aggregate used with cement to make concrete; gravel and shingle are graded stones used for drainage, bedding and decoration.
Need ballast and gravel on site in Harpenden? Tell us what you are building and we will work out the quantities and price it delivered.

Your Harpenden delivery
- How it arrives
- Bulk bags, usually crane-lifted
- Delivering to
- Harpenden, Hertfordshire
- Postcode districts
- AL5, AL3, AL4
- Delivery
- Standard mainland delivery
- Daylight
- About 7h 46m on the shortest day
- Nearby (straight line)
- St Albans (5 mi), Luton (5 mi), Hemel Hempstead (6 mi)
Which ballast and gravel can you order in Harpenden?
- ShingleFor drainage layers and backfill.
- Bulk bags and small bagsTo suit quantity and access.
- All-in ballast20 mm down sand and gravel mix for concrete.
- Pea gravelRounded small gravel for pipe bedding and soakaways.
Getting the right ballast and gravel
Gravel size
20 mm gravel suits concrete and drainage layers; 10 mm and pea gravel suit bedding pipes and paths.
Decorative areas
Lay decorative gravel over a weed membrane and a firm base so it does not sink.
How much will you need?
A base 4 × 3 m and 100 mm deep is 1.2 m³ of concrete. At 1:5 with 5% extra that is about 2.75 tonnes of all-in ballast and 19 bags of cement. Try the concrete calculator
Planning the drop in Harpenden
Bulk bags are usually lifted off by crane where access allows; tell us where they can sit and whether the ground is firm. Harpenden is inside our standard mainland delivery area.
- Tell us the best drop point, such as a driveway, front garden or the kerb, and whether a lorry can park close to it.
- If neighbours share the access, it helps to let them know a lorry is coming.
- Have someone on site for the delivery if you can, or agree a safe drop point with us in advance.
Ordering ballast and gravel for Harpenden: FAQs
Do you deliver ballast and gravel to trades and homeowners in Harpenden?
Both. Trades can apply for a trade account; homeowners and self-builders can order on a delivered quote.
Can I add other materials to my Harpenden delivery?
Yes. Put everything on one list, from ballast and gravel to fixings and PPE, and we will price it as one delivery where the products can travel together.
How much gravel do I need for a path?
Multiply the area by the depth (often 40 to 50 mm for decorative gravel) to get cubic metres, then allow about 1.5 tonnes per cubic metre.
What gravel do I bed drainage pipes in?
Pea gravel or a similar clean single-size gravel is commonly used around underground pipes.
Nearby towns we deliver ballast and gravel to
- Ballast & Gravel in St Albans
- Ballast & Gravel in Luton
- Ballast & Gravel in Hemel Hempstead
- Ballast & Gravel in Welwyn Garden City
- Ballast & Gravel in Hatfield
- Ballast & Gravel in Dunstable
More from SK Trade in Harpenden
Send your list, get a delivered price
Tell us what you need and where it is going. We check the quantities and come back with a delivered price before you commit.
