London W5

Cradley, Herts

London N17

Chesterton, Oxon

London E9

Didcot, Oxfordshire

Marlborough, Wiltshire

Nonington, Kent



Rubery, West Midlands


A full range of services – all to the highest quality
At Leonservices, we provide all aspects of door and window double glazing, from the early stage of survey and design to full installation and maintenance. No project is beyond the scope of our expertise, from the installation of a single sash window ranging to 20m multi-panelled aluminium sliding doors. We are as experienced with established properties as we are with new-builds, and we also specialise in a repair and replacement to an outstanding level of quality.  

Our services include:

 Repair and replacement

  • Repair of damaged windows
  • Reglazing of broken or failed units
  • Repair/replacement of locking mechanisms
  • Repairs to damaged window surface (wood or aluminum) including on-site spray painting
  • Repairs to scratched glass surfaces
  • Window renovation, upgrades
  • Weatherproofing to all types of windows (sash, casement, doors)


  • Repair/replacement to damaged areas (to match original design)
  • Repainting
  • Re-hanging and adjustment
  • Replacement parts (hinges, handles, cords)


  • Like-for-like sash replacement without replacing original box (sash and casement)
  • Weatherproofing
  • Replacement furniture to match original
  • Secondary glazing



  • Draft proofing to old windows
  • Replacement seals

Recent work