H+H Celcon

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H+H is the UK's largest manufacturer of aircrete products. Read more: http://www.buildingtalk.com/news/hhc/hhc000.html

The company manufactures the market leading range of Celcon Blocks, including Foundation Blocks and the H+H range of aircrete products. H+H aircrete products offer a complete building material that meets the requirements of the Building Regulations, with the flexibility to offer solutions to hospitals, schools, offices, industrial warehouses and housing (social and private). Used in partition, separating and external walls (solid or cavity), firewalls and as an infill to framed construction, our products provide durability and fire resistance as well as superb thermal and sound insulation.

15/10/2026

Working on an extension?

Celcon Blocks from H+H are lightweight, easy to handle and give excellent thermal performance.

Don't take our word for it. Lead builder, Florin Ciornei explains why he selected H+H Standard Grade Celcon Blocks to build the cavity walls of the extension:

“We chose H+H Celcon Blocks because they are a good quality product. They are light to handle and easy to use - we’ve been working with H+H products for a long time.”

Explore our full product range on the website: https://www.hplush.com/en-uk/aircrete/products

12/10/2026

Looking for high quality aircrete blocks? Celcon Blocks are stocked at builders' merchants around the UK.

Find your local Celcon Block stockist on our website: https://www.hplush.com/en-uk/stockists

09/10/2026

Wondering 'how to'? Check out our technical video library for practical demonstrations.

Whether it's installing Foundation Blocks or seeing how to construct a house with Vertical Wall Panels, you can find practical guidance for every build here 👉
https://www.hplush.com/en-uk/technical-resources/technical-videos

07/10/2026

Do you know which colour-code identifies which grade of block?

H+H Celcon Blocks are available in a range of grades designed to meet different thermal and structural performance requirements. Each one colour-coded for easy selection.

To discover the full range of Celcon Blocks visit
https://www.hplush.com/en-uk/aircrete/products

01/10/2026

Choosing the right Celcon Block for the job:

🏋️ High Strength – tough enough for foundations and three storeys.

💪 Super Strength – when you need even more compressive strength.

☀️ Solar Grade – great thermal performance with no extra hassle.

Three grades. Three ways to build better.

Check out the full Celcon Block range 👉 https://www.hplush.com/en-uk/aircrete/products.

29/09/2026

Did you know thermal bridges can account for up to a third of a building's fabric heat loss? 🏠

Building with aircrete can help minimise heat loss through the building fabric. Find out more about thermal bridging and how to calculate thermal bridge heat losses with the link below.

Find out more on our website https://www.hplush.com/en-uk/technical-resources/calculating-thermal-bridging

28/09/2026

We love Grand Designs, so imagine our delight when we watched Peter and Emily build their fantastical pink 'Cloud Houses' with our Celcon Blocks!

Although, in typical Grand Designs fashion, the build didn't go entirely to plan, Peter and Emily can now benefit from the peace of mind that comes from building with aircrete, including the thermal and acoustic efficiency, fire resistance and robustness it offers.

These eye-catching homes add a dash of colour and whimsy to the neighbourhood.

25/09/2026

Working on a refurbishment project where weight matters?

At Manchester Airport Terminal 2, more than 1,000m² of blockwork was installed as part of the £440 million refurbishment, all within a live, high-security environment.

McCrory Construction Group chose Celcon Blocks High Strength Grade to provide the structural strength needed while keeping the load on the existing structure to a minimum. The blocks also helped meet the project’s fire safety requirements.

See how the right block can make a difference on a complex refurbishment project.

Read the case study here https://www.hplush.com/en-uk/case-studies/manchester-airport

23/09/2026

Have you heard about the thermal performance of aircrete?

Here are the highlights:

✅ Aircrete combines great thermal insulation with strength, durability and fire resistance (plus sound insulation).

✅ When used in cavity or solid wall construction, our aircrete products can bring the U-value of external walls as low as 0.11 W/m²K - well within the performance required by current Building Regulations AND the Future Homes Standard.

✅ Meanwhile, our technical team is on hand to provide support (and standard calculations) to make sure you are compliant with all the thermal modelling required.

Check out the information on our website to see just what is available from H+H.

19/09/2026

Everyone has an idea of their dream home. 🏡

Whatever the design, you'll want it to be comfortable, energy efficient and to last a lifetime.

Celcon Blocks have been turning designs into homes for over half a century.

What does your dream home look like?

Yes, these homes are all built of aircrete.

Address

Head Office H+H UK Limited Celcon House, Ightham
Sevenoaks
TN159HZ

Telephone

+441732886444

Website

https://www.hplush.com/en-uk/

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