Concrete & Aircrete Blocks delivered to Hitchin

Choosing from our concrete blocks range

• Trench and foundation blocksWide blocks laid in foundation trenches instead of lots of concrete.
• Block paving and edgingsOn request alongside your sub-base and sand.
• Lightweight aggregate blocksLighter to handle with better thermal performance than dense blocks.
• Dense concrete blocksHeavy, strong blocks for loadbearing walls, below ground and good sound separation.

Picking the right product

Thickness

100 mm is the common inner-leaf thickness. Wider blocks (140, 190, 215 mm) are used for separating walls, single-skin garage walls and foundations.

Dense or aircrete?

Dense blocks are strong and good for sound separation but heavy; a 100 mm dense block can weigh around 20 kg. Aircrete blocks are much lighter and insulate better, which helps with energy targets, but need the right fixings.

In England, building work is checked against the Approved Documents, for example Part A for structure and Part L for energy efficiency, through your council's building control team or a registered building control approver.

Before your Hitchin delivery arrives

Blocks are banded on pallets and usually crane-offloaded where the vehicle and access allow; tell us the weight limit of any drive or the ground where pallets will sit. Hitchin is inside our standard mainland delivery area.

• For a phased build we can split the order so materials arrive as each stage starts, which keeps the site clear.
• Mention any overhead cables, low branches or narrow gateways, because they decide whether a crane offload is possible.
• Keep cement, plaster and boards dry: have a tarpaulin or a garage space ready before they arrive.

A quick quantity check

A single-skin block wall in Hitchin 4 m long and 2.4 m high is 9.6 m². At 10 blocks per square metre plus 5% you need 101 blocks, with about 0.14 tonnes of building sand and 2 bags of cement for the mortar at 1:4. Try the block calculator

Questions about concrete blocks delivery in Hitchin

How much mortar for blockwork?

Roughly 0.008 to 0.01 cubic metres of mortar per square metre of 100 mm blockwork, allowing for waste. Use our block calculator for sand and cement quantities.

Can you deliver concrete blocks to a site with restricted access in Hitchin?

Usually, yes. Tell us about the access when you ask for a price and we will plan the vehicle and offload, or say if a smaller vehicle is needed.

Do you deliver concrete blocks to trades and homeowners in Hitchin?

Both. Trades can apply for a trade account; homeowners and self-builders can order on a delivered quote.

What is the difference between 3.6 and 7.3 N/mm² blocks?

The number is the compressive strength. 7.3 N/mm² blocks carry more load and are often specified below ground or for heavily loaded walls; 3.6 N/mm² is common for upper storeys and partitions. Follow your drawings.