Chiswick, Greater London
Triple Glazed Timber Windows in Chiswick
Triple glazing in hardwood needs a deeper frame section to carry the weight. Done right it drops whole-window U-values to around 0.8 W/m²K.
We build triple glazed timber windows for Chiswick homes to the size of the hole in the wall, not to the nearest standard unit. That is the whole reason to specify timber in the first place.
What is included
- Engineered laminated sections on anything over 1.2m, which resist bowing far better than solid stock.
- Weathered cills with a proper drip groove, so water leaves the timber instead of tracking back under it.
- Trickle ventilation designed into the head where Building Regulations require it, not drilled in afterwards.
- Engineered laminated sections on anything over 1.2m, which resist bowing far better than solid stock.
Our triple glazing are made from kiln-dried hardwood, machined in the workshop and factory-finished before they ever reach a Chiswick site. Wet-brushing on site is where timber windows get a bad name.
Ask for the guide price first. If the range works for your budget, we will book a survey in Chiswick and firm it up properly.
Triple Glazing in Chiswick
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Open the guide price toolOther products for Chiswick
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Guide price →Questions
Can you fit trickle vents?
Where Building Regulations require background ventilation, we design it into the head of the frame at manufacture. That looks far better and performs far better than a vent drilled through a finished frame on site.
Do you work on listed buildings?
Regularly. Listed building consent turns on detail — sightlines, glazing bar sections, opening method and glass type. We survey the existing joinery, record the profiles and produce drawings you can submit. We will not quote a detail we know will not pass.
How much maintenance do they need?
Far less than people expect. Wash the frames twice a year, inspect the finish annually, and expect to recoat exposed elevations every eight to ten years. Sheltered elevations often go considerably longer. Modern micro-porous coatings are a different product entirely from the gloss paints that gave timber its reputation.
Which hardwood should I choose?
It depends on the finish. For painted work, Idigbo and Accoya are excellent — stable, even-grained and superb paint substrates. For a stained or oiled finish where the grain is meant to show, European oak and Sapele are the usual choices. We will recommend a species at survey based on your finish and exposure.
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Use the guide price tool for a realistic range, then book a free measured survey in Chiswick to firm it up. No obligation either way.