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Welcome to SashLine Restorations

You care about your original wood windows ​working and looking great. We do too.
We are specialist craftsmen in heritage double hung energy efficient timber window restorations. We offer solutions for all sash windows, from basic cord change, to a full energy efficient sash window restoration with draft seal and new hardware installed.
What our customers say:
"As true experts in timber sash windows restoration, SashLine deeply cared about every detail. They work efficiently and cleanly, but the best part was the relationship I built with them." Stuart Tuck – Contracts Manager
London Sash Window Specialist Sash Seal & Repair
alternate title Allow SashLine, the “Sash Window Specialist London” to repair, renovate or upgrade your heritage windows and doors. We provide traditional casement window & double hung sash window refurbishment to improve the comfort, energy efficiency and security of your period home or office.

From basic sash window repair work, such as changing snapped sash cords, to major sash window refurbishment projects we offer a wide range of expert solutions.

Repair Heritage or Victorian Windows and Doors

Rotten sash windows can almost always be repaired and restored. We are heritage timber window and door restoration experts in London and around and our focus is to repair your existing heritage windows, we do not try to up-sell you expensive replacement windows even if we can also help you with that.
alternate title Weather Seal Heritage or Victorian Windows

Draught proofing heritage sash windows allows the double-hung sashes to slide easily and will greatly reduce air leakage from the outside environment into your home. Our sash seals insulate the gaps inherent in heritage windows that allow irritant air pollution into your living space. Reducing air leakage helps to keep your period home cooler in summer and warmer in winter. Our draught sealing system does not alter the heritage appearance.

Energy Efficient Restoration – Sash Windows, Casement Windows

DRAFT PROOFING: Brush pile installed in new cedar beading's will eliminate drafts or rattles, create thermal insulation, save on energy bills, for energy efficient, and smooth sliding, long lasting windows.
  • Releasing stuck windows
  • Installing new sash cords
  • Install new spiral balances
  • Adjust counterbalance weights
  • Install new beading + Window frame repairs
  • Acoustic and Draft sealing sash windows
  • Glass replacement
  • Install new sash locks, sash lifts + Install child safety locks
  • Wooden doors / garage door repair
From our base in London we offer the full range of Sash Window Specialist services across London and 100 miles around.
Why SashLine?
  • Family business
  • Own and run our own factory
  • Committed to quality and care (CE standards)
  • Range of guarantees come with every product we sell and install
  • FENSA regulated installation team
  • Rapid, accurate quotations
  • Competitively priced
  • Sustainable woods used on every unit
  • Bespoke service for any opening
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Copyright 2020 SashLine Ltd