Full membership

Lonsdale Metal Co Ltd
Millmead Industrial Centre, Mill Mead Road, London N17 9QU

Tel +44(0)20 8801 4221 Fax +44(0)20 8801 1287
Email: info@lonsdalemetal.co.uk


Lonsdale’s record for safe & weather-tight glass roofs is second to none. Established in 1946, Lonsdale remains the industry professional’s choice for overhead glazing.
Prestigious and important projects include rooflights for The British Museum, Holyrood Palace, Windsor Castle, The National Gallery, Buckingham Palace and canopies for top commercial organisations such as Tesco, Waitrose, Boots and B&Q. Lonsdale patent glazing systems are also approved by Network Rail and feature on over 40 regional and major stations at Carlisle, York, Liverpool Lime Street, Kings Cross, Waterloo & St Pancras.

Our quality systems are carefully fabricated in London and available supply only or installed Nationwide via our network of registered dealers. These companies vary in size & resources, enabling competitive prices for both large commercial or small domestic projects.

The Lonsdale range for heated and unheated spaces includes:

  • Self-supporting Glazing Bars
  • Rafter Glazing Bars
  • Contemporary & Heritage Designs
  • Roof Lanterns and Skylights
  • Flat Glass Rooflights
  • Various Opening Ventilators for sloped & vertical glazing

Anybody considering a rooflight project is invited to download our FREE guide ‘6 Common Roof Glazing Mistakes And How To Avoid Them’ available at www.lonsdalemetal.co.uk together with CAD Drawings and NBS Plus Specification Tool.