Building Materials and Kent's Growth
Kent is one of the fastest-growing counties in the South East, with major housing developments in Ebbsfleet, Ashford, Maidstone and the Medway towns, as well as ongoing infrastructure projects connected to the Channel ports and the M2 and M20 corridors. All of this activity depends on a steady supply of aggregates, concrete, bricks, timber, insulation and roofing materials. Choosing the right building materials supplier affects project costs, timelines and quality.
This guide profiles ten of the best building material companies in Kent, covering local aggregates producers, national manufacturers and trusted builders' merchants.
Why Local Supply Matters in Kent
Building materials are heavy and expensive to transport, so local supply can significantly reduce costs and carbon emissions. Kent is fortunate to have its own quarries producing ragstone, sand and gravel, as well as wharves along the Medway and Thames that import marine-dredged aggregates. A strong network of builders' merchants ensures that contractors and tradespeople can access materials quickly.
The Top 10 Building Material Companies in Kent
1. Brett Group
Brett Group, headquartered in Canterbury, is one of the UK's leading independent suppliers of aggregates, concrete and building products. Family-owned for generations, it operates quarries, wharves and concrete plants across the South East and is known for quality, sustainability and strong community relationships.
2. Gallagher Group
Gallagher Group, based near Maidstone, is a Kent family business involved in quarrying, aggregates, asphalt, construction and property development. Its Hermitage Quarry produces Kentish ragstone, a traditional building stone used in many of the county's historic buildings and modern landscaping projects.
3. Tarmac
Tarmac is a leading supplier of aggregates, asphalt, concrete and cement. Its products are used in road resurfacing, housing developments and infrastructure projects across Kent, and the company is investing in lower-carbon concrete and recycled materials.
4. Hanson UK
Hanson, part of Heidelberg Materials, supplies aggregates, ready-mixed concrete and asphalt. Its extensive network of plants supports large-scale construction in Kent, and its development of lower-carbon cement products addresses growing demand for sustainable building.
5. Cemex UK
Cemex supplies cement, concrete and aggregates and has long been associated with the Thames and Medway cement industry. Its readymix concrete and specialist solutions serve contractors on residential, commercial and infrastructure sites across the county.
6. Travis Perkins
Travis Perkins is one of the UK's largest builders' merchants, with branches across Kent supplying timber, bricks, blocks, insulation and general building materials. Its trade accounts, delivery services and specialist advice make it a go-to choice for builders and contractors.
7. Jewson
Jewson is a well-known builders' merchant with a strong branch network in Kent. It offers a comprehensive range of building products, timber and landscaping materials, and focuses on customer service for both tradespeople and self-builders.
8. Selco Builders Warehouse
Selco operates large trade-only warehouses offering building materials, tools and plumbing and electrical supplies. Its extended opening hours and in-stock availability make it popular with busy tradespeople in Kent who need materials quickly.
9. Covers Timber & Builders Merchants
Covers is an independent builders' merchant serving Sussex, Hampshire and Kent. It is known for its timber expertise, knowledgeable staff and personal service, offering a regional alternative to the national chains.
10. Wienerberger UK
Wienerberger is a major manufacturer of bricks, roof tiles and building systems. Its clay bricks and tiles are widely used in Kent's new housing developments and in projects that need to match the county's traditional red brick and tile-hung architecture.
How to Choose a Building Materials Supplier
Compare suppliers on product availability, pricing, delivery reliability and credit terms. Large projects benefit from suppliers with nearby plants or depots, while smaller projects may value the convenience of local merchants with knowledgeable staff. Check product certifications, environmental credentials and the availability of technical support. For heritage projects, look for suppliers who can match traditional materials such as Kentish ragstone, handmade tiles and reclaimed bricks.
Building Material Trends in Kent
Low-carbon construction is reshaping the market, with lower-carbon cements, recycled aggregates and timber-based systems gaining popularity. The Future Homes Standard is driving demand for better insulation, airtight construction and renewable heating. Modular and offsite construction methods are growing, particularly for housing. Supply chain resilience and price stability remain important considerations following recent volatility in material costs.
Frequently Asked Questions About Building Materials in Kent
What is Kentish ragstone?
Kentish ragstone is a hard, grey limestone quarried in Kent for centuries. It was used in many historic buildings across the county and London, including castles, churches and city walls. Today it remains popular for restoration work, garden walls and landscaping that reflects local character.
How can I reduce the carbon footprint of a building project?
Choose lower-carbon concrete and cement products, use recycled aggregates where specifications allow, source materials locally, and consider timber-based structural systems. Good insulation and airtightness reduce operational carbon over the building's lifetime, which is often even more significant than embodied carbon.
Should I open a trade account with a builders' merchant?
For regular buyers, a trade account usually offers better pricing, credit terms and delivery options. Many merchants also provide dedicated account managers, quotation services and technical advice, which can save significant time on larger projects.
Conclusion
Kent's building boom is supported by a strong network of local producers, national manufacturers and dependable merchants. The ten companies featured here offer the products, expertise and reliability needed to build homes and infrastructure across the county. Branch networks and product ranges change, so always confirm current availability with your chosen supplier before planning a project.