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Custom‑Sized Window

Custom‑Sized Window Installation

Exact Carpentry – Launceston • West Tamar • Northern Midlands

Custom‑sized windows are the answer for all the openings that don’t fit the standard catalogue sizes and Tasmania has plenty of those. Older homes with hand‑built frames. Extensions added in the 80s. Renovations done by “a mate who used to be a chippy”. Walls that have shifted. Openings that were never square to begin with.

A custom window isn’t a luxury. It’s often the only way to make the opening look right, seal properly, and behave the way a window should.

But here’s the truth:

A custom‑sized window is only as good as the measurements, the frame preparation, and the installation behind it.

If the opening is out of square, the window has to be built to match it or the frame has to be rebuilt. If the sill isn’t level, the window won’t seal. If the house has moved and Tasmanian homes always move the new window needs to be packed, aligned, and sealed to suit the real shape of the opening, not the theoretical one.

Installing a custom‑sized window isn’t “just measuring and ordering”. It’s problem‑solving, carpentry, and precision all in one.

Where a Custom Window Installation Really Starts

Before anything is ordered, we measure the opening properly. Not with a quick tape measure. Not with “close enough”. Not with the assumption that the opening is square.

We check:

  • The width at the top, middle, and bottom
  • The height on both sides
  • The diagonals
  • The level of the sill
  • The straightness of the jambs
  • The movement of the house
  • The condition of the existing frame
  • The exposure to weather
  • The cladding or brickwork around the opening

A custom window is built to fit the real opening not the opening the house had 20 years ago.

The Window Itself Any Material, Any Style, Any Glazing

Custom windows can be made in:

  • Timber
  • Aluminium
  • UPVC
  • Composite materials

And in any style:

  • Awning
  • Casement
  • Sliding
  • Double‑hung
  • Fixed/picture
  • Bay or bow configurations

And with any glazing:

  • Single
  • Double‑glazed
  • Low‑E
  • Acoustic

But the principle is always the same:

A custom window should fit the opening perfectly no gaps, no packing blocks sticking out, no uneven reveals.

No rattling, No binding, No draughts, No leaks, No “near enough”.

What Custom‑Sized Window Installation Costs in Tasmania

Most installations fall between:

  • $650 – $4,500+ (window + installation)
  • $350 – $1,000 (installation only, depending on frame work)

The price depends on:

  • The size of the window
  • The material (timber, aluminium, UPVC)
  • The glazing type
  • Whether the frame needs rebuilding
  • Whether the sill needs levelling
  • The shape of the opening
  • Whether the house has moved
  • The style of window being built

Custom windows aren’t “expensive”. They’re accurate.

What We See Most Often in Tasmanian Homes

Custom windows are usually needed because:

  • The opening is out of square
  • The house has moved
  • The original window was a non‑standard size
  • The frame has sagged or twisted
  • The sill has dropped
  • The cladding was cut unevenly
  • The previous installer “made it fit” instead of doing it properly

A custom window fixes the problem but only if the opening is corrected first.

The Moment the Window Finally Fits Perfectly

There’s a moment in every custom installation where everything lines up. The window sits flush. The reveals are even. The sash moves smoothly. The seals sit tight. Nothing binds. Nothing rattles. Nothing looks “forced”.

It looks like the window was always meant to be there because now it is.

That’s the moment we aim for.

Types of Custom Windows We Install

Each of these can have its own full page later:

  • Custom Timber Windows
  • Custom Aluminium Windows
  • Custom UPVC Windows
  • Custom Double‑Glazed Windows
  • Custom Heritage Windows
  • Custom Feature Windows

Each one needs proper measuring, proper frame preparation, and proper sealing.

Why People Choose Us for Custom Windows

Because we don’t guess. We measure properly. We prepare the opening properly. We install the window properly.

We take the time to:

  • Measure the opening accurately
  • Rebuild the frame if needed
  • Level the sill
  • Pack the window correctly
  • Seal every edge
  • Fix the draughts
  • Stop the leaks
  • Make the window look like it belongs

A custom window should feel like it was built for the home because it was.

Get a Custom‑Sized Window Installation Quote

Send us a photo of the opening inside and out. Tell us what you want the window to look like. We’ll measure it properly and tell you exactly what’s involved.

No guesswork, No surprises, Just a window that fits perfectly.