About Us

Founded in 1989, JJ Roofing Supplies Limited is now the largest roofing merchant in North London with seven stores, an e-commerce outlet, an ever-expanding staff which currently stands at 70. JJ Roofing Supplies core business focuses on sourcing and supplying quality roofing materials to trade and commercial customers at competitive prices.

JJ Roofing Supplies mission statement hinges around the very best customer service, outstanding value and second-to-none technical expertise; the staff team work as a cohesive and dynamic unit to ensure we deliver on this every day.

More information about our individual stores can be found here:

New Barnet - Cricklewood - Isleworth - London Colney - Southall - St Albans - Winchmore Hill

What makes JJ Roofing Supplies stand out from others?

  • Thousands of roofing materials stocked
  • Low prices with next day delivery
  • Branches across London & Hertfordshire

We take pride in being a multi-channel roofing supplier. You can shop with us in-store, over the phone, on your mobile, laptop or desktop.

You can also link with us on social media channels like

JJ Roofing
Supplies Catalogue

The latest JJ Roofing Supplies catalogue is out now with 1000’s of products from fixings and felt to slate and tiles, you can find top brands at the lowest trade prices.

Click below to download your free eCatalogue


JJ Roofing Supplies

Unit 6A,
Riverside Industrial Estate,
London Colney Bypass,
London Colney,
St Albans,

Registration No: 02344840

VAT No: 505979514