Window sash replacement & retrofit double glazing

Adrian Harris Woodcraft is your go-to sash window company for both window sash replacement and retrofit double-glazing. Christchurch-based with a workshop in Wigram, Mark and Adrian are Master Craftsmen and valued renovation specialists for timber window sash projects.

Window sash services

Sash window repairs

Sash windows with their timeless charm, can succumb to various challenges over time, such as damage and warping from storms or strong winds, and rot.
Sash window repairs preserve a home’s character. 
Replacing the damaged or rotten sash in the existing frame is popular because it’s much less work than installing a whole window frame. 

Replacement & Retrofit double glazing

Retrofit double glazing of timber sash windows provides improved insulation and enhanced energy efficiency. Retrofit double-glazing for the whole house adds appeal for resale and helps to meet healthy home standards.

Types of window sash

Side hung window sash/casement

Top hung awning

Double hung window sash

Retrofit double glazing: restoration vs replacement

Retrofitting double glazed timber windows by replacing the whole sash eliminates the problem of joints breaking. When the original sash is modified to take to double glazing the joints are cut away and twice the weight of glass is added. This often leads to joint failure.

Steps to window sash repairs/retrofit double glazing

1

Approx Measure & quote

Supply us with rough measurements for a quote. Advise if replacing like for like (single) or wanting double glazed for better insulation.

2

Precise measure

Once the quote is approved, our builder (or yours) takes exact measurements. The old sash can be supplied to copy.

3

Manufacture

We will craft your windows to your requirements.

4

Pickup or delivery & installation

Builders typically pick up the windows unprimed. For home owners, we usually get our installer to deliver, prime & install the window(s). Top coating if required.

About Adrian Harris Woodcraft

Building on a combined 60 years in the wood working industry, the dynamic duo behind the joinery craftsmanship are owners Mark and Adrian. Applying skills and experience drawn from furniture making, as a boat fitter, and creating luxury cedar hot tubs, Mark and Adrian craft high-end, bespoke exterior timber joinery for windows and doors. They have earned a reputation as preferred joiners for discerning builders and local home-owners looking for accuracy and honesty.

WHAT PEOPLE SAY ABOUT US

  • "Our beautiful bifold window arrived today. What a piece of amazing workmanship. Thank you so much, it's just what we imagined."

    CLAIRE AND GLENN

  • "We are very pleased with the result. Great job. This is why we keep coming back to you for more doors and windows as we progress with the house renovation."

    GRAEME

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